🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.58 AU - 0.6 AU

Year: 293 Days

Day: 39.3 Hours

Environment

Temp: -126 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.53 AU - 0.73 AU

Year: 323 Days

Day: 15.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 156.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.3

Radius: 14.5

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.8 AU - 1.16 AU

Year: 626 Days

Day: 6.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 15,681,453 km

• M1: 192,832 km (0.063 R)
• M2: 322,533 km (0.099 R)
• M3: 414,835 km (0.117 R)
• M4: 559,646 km (0.06 R)
• M5: 736,919 km (0.077 R)
• M6: 891,155 km (0.106 R)
• M7: 1,018,911 km (0.116 R)
• M8: 1,122,582 km (0.064 R)
• M9: 1,216,530 km (0.097 R)
• M10: 1,327,532 km (0.115 R)
• M11: 1,427,612 km (0.087 R)
• M12: 1,610,720 km (0.116 R)
• M13: 1,723,517 km (0.114 R)
• M14: 1,897,948 km (0.117 R)
• M15: 2,045,152 km (0.068 R)
• M16: 2,259,227 km (0.039 R)
• M17: 2,357,363 km (0.098 R)
• M18: 2,534,338 km (0.046 R)
• M19: 2,654,764 km (0.06 R)
• M20: 2,758,734 km (0.06 R)
• M21: 2,983,730 km (0.102 R)
• M22: 3,130,635 km (0.101 R)
• M23: 3,234,156 km (0.064 R)
• M24: 3,398,564 km (0.11 R)
• M25: 3,491,913 km (0.036 R)
• M26: 3,599,474 km (0.074 R)
• M27: 3,763,134 km (0.108 R)
• M28: 4,119,327 km (0.094 R)
• M29: 4,552,562 km (0.053 R)
• M30: 4,894,693 km (0.095 R)
• M31: 5,091,863 km (0.087 R)
• M32: 5,237,571 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.5

Radius: 8.3

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.1 AU - 1.1 AU

Year: 745 Days

Day: 11.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 15,681,453 km

• M1: 108,458 km (0.082 R)
• M2: 176,376 km (0.063 R)
• M3: 229,034 km (0.114 R)
• M4: 280,646 km (0.048 R)
• M5: 355,744 km (0.038 R)
• M6: 411,693 km (0.097 R)
• M7: 475,422 km (0.074 R)
• M8: 869,014 km (0.047 R)
• M9: 932,444 km (0.096 R)
• M10: 997,668 km (0.072 R)
• M11: 1,058,854 km (0.105 R)
• M12: 1,115,551 km (0.103 R)
• M13: 1,179,280 km (0.103 R)
• M14: 1,377,946 km (0.087 R)
• M15: 1,434,045 km (0.107 R)
• M16: 1,490,892 km (0.11 R)
• M17: 1,561,503 km (0.096 R)
• M18: 1,633,310 km (0.058 R)
• M19: 1,814,173 km (0.076 R)
• M20: 1,889,870 km (0.095 R)
• M21: 1,952,551 km (0.094 R)
• M22: 2,173,807 km (0.112 R)
• M23: 2,246,960 km (0.103 R)
• M24: 2,306,201 km (0.105 R)
• M25: 2,365,890 km (0.079 R)
• M26: 2,448,768 km (0.088 R)
• M27: 2,555,730 km (0.083 R)
• M28: 2,711,162 km (0.064 R)
• M29: 2,822,014 km (0.102 R)
• M30: 2,902,049 km (0.119 R)
• M31: 3,105,502 km (0.107 R)
• M32: 3,296,838 km (0.104 R)
• M33: 3,364,307 km (0.095 R)
• M34: 3,423,697 km (0.057 R)
• M35: 3,586,759 km (0.068 R)
• M36: 3,673,675 km (0.048 R)
• M37: 3,770,016 km (0.074 R)
• M38: 3,867,255 km (0.104 R)
• M39: 3,992,169 km (0.046 R)
• M40: 4,046,174 km (0.054 R)
• M41: 4,237,060 km (0.116 R)
• M42: 4,533,563 km (0.111 R)
• M43: 4,618,086 km (0.095 R)
• M44: 4,884,819 km (0.075 R)
• M45: 5,107,720 km (0.113 R)
• M46: 5,583,441 km (0.089 R)
• M47: 5,724,961 km (0.026 R)
• M48: 5,826,687 km (0.081 R)
• M49: 5,908,518 km (0.054 R)
• M50: 6,156,401 km (0.097 R)
• M51: 6,218,933 km (0.07 R)
• M52: 6,566,599 km (0.104 R)
• M53: 6,683,883 km (0.113 R)
• M54: 6,748,061 km (0.046 R)
• M55: 7,029,006 km (0.051 R)
• M56: 7,302,770 km (0.058 R)
• M57: 7,391,032 km (0.036 R)
• M58: 7,457,603 km (0.111 R)
• M59: 7,513,104 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 832.2

Radius: 9

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.12 AU - 1.34 AU

Year: 881 Days

Day: 13.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 15,681,453 km

• M1: 119,080 km (0.106 R)
• M2: 220,507 km (0.104 R)
• M3: 321,785 km (0.08 R)
• M4: 482,154 km (0.092 R)
• M5: 538,552 km (0.061 R)
• M6: 642,074 km (0.105 R)
• M7: 758,760 km (0.111 R)
• M8: 857,495 km (0.097 R)
• M9: 934,687 km (0.083 R)
• M10: 1,034,469 km (0.091 R)
• M11: 1,124,078 km (0.12 R)
• M12: 1,180,626 km (0.118 R)
• M13: 1,238,072 km (0.113 R)
• M14: 1,401,283 km (0.099 R)
• M15: 1,571,675 km (0.083 R)
• M16: 1,667,567 km (0.102 R)
• M17: 1,798,615 km (0.108 R)
• M18: 1,898,995 km (0.052 R)
• M19: 2,097,063 km (0.115 R)
• M20: 2,356,316 km (0.086 R)
• M21: 2,522,519 km (0.078 R)
• M22: 2,886,192 km (0.116 R)
• M23: 2,945,133 km (0.068 R)
• M24: 3,034,294 km (0.106 R)
• M25: 3,235,802 km (0.073 R)
• M26: 3,348,599 km (0.038 R)
• M27: 3,421,004 km (0.075 R)
• M28: 3,546,367 km (0.05 R)
• M29: 3,673,376 km (0.105 R)
• M30: 3,823,422 km (0.117 R)
• M31: 3,910,040 km (0.061 R)
• M32: 4,118,429 km (0.108 R)
• M33: 4,420,916 km (0.085 R)
• M34: 4,500,502 km (0.118 R)
• M35: 4,638,132 km (0.075 R)
• M36: 4,952,886 km (0.05 R)
• M37: 5,071,368 km (0.1 R)
• M38: 5,166,662 km (0.113 R)
• M39: 5,432,048 km (0.117 R)
• M40: 5,615,605 km (0.098 R)
• M41: 5,838,506 km (0.115 R)
• M42: 5,963,570 km (0.107 R)
• M43: 6,293,134 km (0.065 R)
• M44: 6,473,100 km (0.117 R)
• M45: 6,589,637 km (0.106 R)
• M46: 6,811,640 km (0.088 R)
• M47: 7,062,815 km (0.103 R)
• M48: 7,384,450 km (0.097 R)
• M49: 7,465,532 km (0.033 R)
• M50: 7,669,733 km (0.097 R)
• M51: 8,139,471 km (0.027 R)
• M52: 8,307,469 km (0.086 R)
• M53: 8,647,056 km (0.076 R)
• M54: 8,904,664 km (0.051 R)
• M55: 9,121,281 km (0.063 R)
• M56: 9,412,698 km (0.072 R)
• M57: 9,500,811 km (0.059 R)
• M58: 9,603,884 km (0.103 R)
• M59: 9,707,406 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.9

Radius: 14.1

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.63 AU - 1.87 AU

Year: 1495 Days

Day: 7.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 15,681,453 km

• M1: 178,470 km (0.119 R)
• M2: 333,154 km (0.111 R)
• M3: 672,143 km (0.079 R)
• M4: 920,476 km (0.065 R)
• M5: 1,233,135 km (0.07 R)
• M6: 1,333,964 km (0.058 R)
• M7: 1,526,347 km (0.094 R)
• M8: 1,681,480 km (0.111 R)
• M9: 2,038,271 km (0.112 R)
• M10: 2,398,353 km (0.099 R)
• M11: 2,494,245 km (0.115 R)
• M12: 2,591,634 km (0.093 R)
• M13: 2,712,209 km (0.094 R)
• M14: 3,028,310 km (0.112 R)
• M15: 3,120,761 km (0.048 R)
• M16: 3,237,747 km (0.117 R)
• M17: 3,332,442 km (0.083 R)
• M18: 3,464,238 km (0.075 R)
• M19: 3,671,431 km (0.088 R)
• M20: 4,098,234 km (0.09 R)
• M21: 4,554,358 km (0.12 R)
• M22: 4,863,128 km (0.109 R)
• M23: 5,040,700 km (0.111 R)
• M24: 5,248,342 km (0.118 R)
• M25: 5,458,826 km (0.074 R)
• M26: 6,092,373 km (0.119 R)
• M27: 6,328,588 km (0.097 R)
• M28: 6,433,008 km (0.065 R)
• M29: 6,583,054 km (0.048 R)
• M30: 6,810,293 km (0.097 R)
• M31: 7,009,408 km (0.093 R)
• M32: 7,195,059 km (0.082 R)
• M33: 7,335,232 km (0.05 R)
• M34: 7,602,564 km (0.096 R)
• M35: 7,873,336 km (0.096 R)
• M36: 7,985,684 km (0.054 R)
• M37: 8,098,630 km (0.108 R)
• M38: 8,260,794 km (0.117 R)
• M39: 8,391,393 km (0.099 R)
• M40: 8,539,196 km (0.107 R)
• M41: 8,687,747 km (0.075 R)
• M42: 8,787,379 km (0.095 R)
• M43: 9,071,465 km (0.097 R)
• M44: 9,409,706 km (0.092 R)
• M45: 9,597,601 km (0.112 R)
• M46: 10,185,969 km (0.114 R)
• M47: 10,308,490 km (0.115 R)
• M48: 10,750,552 km (0.113 R)
• M49: 11,289,104 km (0.099 R)
• M50: 11,379,760 km (0.081 R)
• M51: 11,579,922 km (0.11 R)
• M52: 11,726,379 km (0.092 R)
• M53: 12,076,438 km (0.112 R)
• M54: 12,318,038 km (0.057 R)
• M55: 12,411,238 km (0.112 R)
• M56: 12,579,835 km (0.116 R)
• M57: 12,730,330 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.5

Radius: 13.1

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.7 AU - 3.54 AU

Year: 3558 Days

Day: 13.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 15,681,453 km

• M1: 172,786 km (0.096 R)
• M2: 284,685 km (0.106 R)
• M3: 515,365 km (0.094 R)
• M4: 626,217 km (0.091 R)
• M5: 805,435 km (0.097 R)
• M6: 917,783 km (0.097 R)
• M7: 1,013,974 km (0.108 R)
• M8: 1,114,055 km (0.104 R)
• M9: 1,313,021 km (0.094 R)
• M10: 1,473,389 km (0.1 R)
• M11: 2,008,351 km (0.1 R)
• M12: 2,554,832 km (0.064 R)
• M13: 2,710,564 km (0.059 R)
• M14: 2,901,451 km (0.104 R)
• M15: 3,047,757 km (0.118 R)
• M16: 3,196,607 km (0.078 R)
• M17: 3,605,309 km (0.101 R)
• M18: 4,085,219 km (0.099 R)
• M19: 4,268,177 km (0.035 R)
• M20: 4,547,775 km (0.101 R)
• M21: 4,699,468 km (0.062 R)
• M22: 4,891,402 km (0.088 R)
• M23: 5,066,431 km (0.058 R)
• M24: 5,203,912 km (0.082 R)
• M25: 5,685,168 km (0.108 R)
• M26: 6,117,955 km (0.09 R)
• M27: 6,243,617 km (0.113 R)
• M28: 6,348,934 km (0.115 R)
• M29: 6,561,512 km (0.11 R)
• M30: 6,863,102 km (0.036 R)
• M31: 7,015,691 km (0.101 R)
• M32: 7,346,303 km (0.111 R)
• M33: 7,840,574 km (0.088 R)
• M34: 8,253,165 km (0.115 R)
• M35: 8,508,678 km (0.076 R)
• M36: 8,790,520 km (0.088 R)
• M37: 8,956,425 km (0.1 R)
• M38: 9,219,118 km (0.03 R)
• M39: 9,654,448 km (0.116 R)
• M40: 10,071,976 km (0.062 R)
• M41: 10,470,205 km (0.032 R)
• M42: 11,385,445 km (0.066 R)
• M43: 11,670,130 km (0.107 R)
• M44: 11,826,460 km (0.051 R)
• M45: 12,036,046 km (0.11 R)
• M46: 12,432,181 km (0.043 R)
• M47: 12,591,952 km (0.095 R)
• M48: 12,967,143 km (0.079 R)
• M49: 14,031,981 km (0.104 R)
• M50: 14,560,810 km (0.072 R)
• M51: 14,729,257 km (0.077 R)
• M52: 15,323,759 km (0.075 R)
• M53: 15,580,917 km (0.06 R)
• M54: 15,695,809 km (0.119 R)
• M55: 15,781,977 km (0.116 R)
• M56: 15,955,062 km (0.101 R)
• M57: 16,594,742 km (0.079 R)
• M58: 17,065,377 km (0.051 R)
• M59: 17,272,720 km (0.088 R)
• M60: 17,480,810 km (0.086 R)
• M61: 17,779,557 km (0.075 R)
• M62: 17,959,524 km (0.076 R)
• M63: 18,807,893 km (0.092 R)
• M64: 19,144,788 km (0.112 R)
• M65: 19,638,311 km (0.09 R)
• M66: 19,948,876 km (0.098 R)
• M67: 21,271,321 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 11.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.94 AU - 3.42 AU

Year: 3661 Days

Day: 10.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 15,681,453 km

• M1: 274,811 km (0.102 R)
• M2: 349,760 km (0.113 R)
• M3: 427,700 km (0.117 R)
• M4: 546,631 km (0.12 R)
• M5: 651,349 km (0.06 R)
• M6: 812,765 km (0.07 R)
• M7: 914,492 km (0.08 R)
• M8: 1,223,711 km (0.086 R)
• M9: 1,452,296 km (0.061 R)
• M10: 1,788,143 km (0.066 R)
• M11: 1,910,215 km (0.094 R)
• M12: 2,035,279 km (0.072 R)
• M13: 2,278,824 km (0.096 R)
• M14: 2,701,139 km (0.112 R)
• M15: 2,842,060 km (0.094 R)
• M16: 3,263,328 km (0.039 R)
• M17: 3,430,728 km (0.119 R)
• M18: 3,515,550 km (0.05 R)
• M19: 3,861,719 km (0.11 R)
• M20: 4,092,699 km (0.098 R)
• M21: 4,383,367 km (0.065 R)
• M22: 4,475,519 km (0.095 R)
• M23: 4,643,219 km (0.068 R)
• M24: 4,832,011 km (0.104 R)
• M25: 5,042,495 km (0.054 R)
• M26: 5,612,314 km (0.092 R)
• M27: 6,557,922 km (0.088 R)
• M28: 6,941,341 km (0.036 R)
• M29: 7,114,127 km (0.06 R)
• M30: 7,332,240 km (0.065 R)
• M31: 9,060,395 km (0.094 R)
• M32: 9,178,428 km (0.118 R)
• M33: 9,607,474 km (0.116 R)
• M34: 9,970,100 km (0.094 R)
• M35: 10,263,312 km (0.066 R)
• M36: 10,609,182 km (0.085 R)
• M37: 10,858,412 km (0.116 R)
• M38: 11,084,604 km (0.074 R)
• M39: 11,567,057 km (0.113 R)
• M40: 12,056,242 km (0.116 R)
• M41: 12,264,333 km (0.088 R)
• M42: 12,552,458 km (0.049 R)
• M43: 12,684,104 km (0.099 R)
• M44: 12,842,678 km (0.08 R)
• M45: 13,002,000 km (0.105 R)
• M46: 13,295,660 km (0.092 R)
• M47: 13,672,797 km (0.088 R)
• M48: 14,797,174 km (0.091 R)
• M49: 15,581,965 km (0.116 R)
• M50: 15,979,446 km (0.108 R)
• M51: 16,466,686 km (0.069 R)
• M52: 16,697,666 km (0.083 R)
• M53: 16,813,604 km (0.056 R)
• M54: 16,900,670 km (0.054 R)
• M55: 16,987,885 km (0.108 R)
• M56: 17,780,006 km (0.111 R)
• M57: 18,046,590 km (0.109 R)
• M58: 18,945,074 km (0.116 R)
• M59: 19,035,731 km (0.108 R)
• M60: 19,582,810 km (0.105 R)
• M61: 19,705,032 km (0.096 R)
• M62: 19,950,222 km (0.12 R)
• M63: 20,104,159 km (0.114 R)
• M64: 20,258,244 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.1

Radius: 13.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.09 AU - 4.41 AU

Year: 4689 Days

Day: 14.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 15,681,453 km

• M1: 165,605 km (0.073 R)
• M2: 257,159 km (0.093 R)
• M3: 421,268 km (0.078 R)
• M4: 597,195 km (0.09 R)
• M5: 1,021,005 km (0.059 R)
• M6: 1,490,144 km (0.097 R)
• M7: 1,820,307 km (0.111 R)
• M8: 2,057,420 km (0.072 R)
• M9: 2,150,619 km (0.089 R)
• M10: 2,525,062 km (0.045 R)
• M11: 2,959,943 km (0.101 R)
• M12: 3,119,116 km (0.112 R)
• M13: 3,515,849 km (0.059 R)
• M14: 3,972,571 km (0.104 R)
• M15: 4,104,517 km (0.083 R)
• M16: 4,631,400 km (0.091 R)
• M17: 4,754,968 km (0.11 R)
• M18: 5,260,160 km (0.089 R)
• M19: 5,486,652 km (0.113 R)
• M20: 5,584,638 km (0.049 R)
• M21: 6,562,709 km (0.047 R)
• M22: 6,666,979 km (0.073 R)
• M23: 6,754,194 km (0.045 R)
• M24: 7,071,641 km (0.071 R)
• M25: 7,196,406 km (0.071 R)
• M26: 7,466,280 km (0.112 R)
• M27: 7,702,944 km (0.095 R)
• M28: 8,333,499 km (0.118 R)
• M29: 8,846,171 km (0.098 R)
• M30: 9,506,346 km (0.056 R)
• M31: 9,782,953 km (0.081 R)
• M32: 10,001,964 km (0.117 R)
• M33: 10,202,575 km (0.091 R)
• M34: 10,323,599 km (0.115 R)
• M35: 10,833,130 km (0.112 R)
• M36: 10,956,548 km (0.097 R)
• M37: 11,518,138 km (0.113 R)
• M38: 11,940,304 km (0.114 R)
• M39: 12,281,536 km (0.12 R)
• M40: 12,604,518 km (0.075 R)
• M41: 12,973,875 km (0.048 R)
• M42: 13,435,086 km (0.109 R)
• M43: 13,545,788 km (0.078 R)
• M44: 15,681,447 km (0.107 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 12,109 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit