🌌 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: 1.95

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.58 AU - 0.6 AU

Year: 297 Days

Day: 16.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.62 AU - 0.72 AU

Year: 360 Days

Day: 38.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.2

Radius: 14.7

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.61 AU - 0.97 AU

Year: 461 Days

Day: 9.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 9,078,016 km

• M1: 182,809 km (0.107 R)
• M2: 297,101 km (0.104 R)
• M3: 388,805 km (0.111 R)
• M4: 526,884 km (0.08 R)
• M5: 655,987 km (0.057 R)
• M6: 749,485 km (0.062 R)
• M7: 1,030,729 km (0.099 R)
• M8: 1,279,959 km (0.116 R)
• M9: 1,386,024 km (0.05 R)
• M10: 1,540,260 km (0.102 R)
• M11: 1,678,488 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.9

Radius: 12.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.71 AU - 1.01 AU

Year: 523 Days

Day: 10.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 157.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 9,078,016 km

• M1: 154,086 km (0.082 R)
• M2: 231,727 km (0.118 R)
• M3: 338,241 km (0.117 R)
• M4: 449,841 km (0.084 R)
• M5: 601,982 km (0.046 R)
• M6: 685,457 km (0.09 R)
• M7: 800,947 km (0.11 R)
• M8: 904,469 km (0.03 R)
• M9: 1,115,551 km (0.102 R)
• M10: 1,539,362 km (0.097 R)
• M11: 1,641,089 km (0.058 R)
• M12: 1,745,059 km (0.068 R)
• M13: 2,070,734 km (0.115 R)
• M14: 2,190,562 km (0.099 R)
• M15: 2,271,644 km (0.108 R)
• M16: 2,409,124 km (0.107 R)
• M17: 2,838,769 km (0.072 R)
• M18: 3,047,608 km (0.11 R)
• M19: 3,184,490 km (0.088 R)
• M20: 3,323,616 km (0.108 R)
• M21: 3,456,908 km (0.105 R)
• M22: 3,599,923 km (0.117 R)
• M23: 3,728,727 km (0.093 R)
• M24: 3,834,642 km (0.027 R)
• M25: 3,991,122 km (0.086 R)
• M26: 4,074,448 km (0.119 R)
• M27: 4,473,575 km (0.102 R)
• M28: 4,568,869 km (0.072 R)
• M29: 4,699,916 km (0.055 R)
• M30: 4,805,682 km (0.107 R)
• M31: 4,965,752 km (0.08 R)
• M32: 5,127,617 km (0.1 R)
• M33: 5,218,423 km (0.088 R)
• M34: 5,410,656 km (0.065 R)
• M35: 5,558,758 km (0.114 R)
• M36: 5,698,931 km (0.081 R)
• M37: 5,783,454 km (0.082 R)
• M38: 5,915,997 km (0.085 R)
• M39: 6,097,460 km (0.109 R)
• M40: 6,300,165 km (0.109 R)
• M41: 6,722,180 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.2

Radius: 14.3

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.31 AU - 1.33 AU

Year: 995 Days

Day: 10.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 9,078,016 km

• M1: 183,108 km (0.113 R)
• M2: 297,101 km (0.037 R)
• M3: 474,076 km (0.084 R)
• M4: 673,340 km (0.082 R)
• M5: 778,657 km (0.114 R)
• M6: 870,360 km (0.094 R)
• M7: 1,095,505 km (0.056 R)
• M8: 1,478,925 km (0.037 R)
• M9: 1,647,671 km (0.113 R)
• M10: 1,769,892 km (0.116 R)
• M11: 1,886,280 km (0.051 R)
• M12: 2,280,320 km (0.026 R)
• M13: 2,378,157 km (0.095 R)
• M14: 2,477,341 km (0.056 R)
• M15: 2,649,528 km (0.101 R)
• M16: 2,994,949 km (0.108 R)
• M17: 3,288,760 km (0.104 R)
• M18: 3,444,790 km (0.119 R)
• M19: 3,857,680 km (0.118 R)
• M20: 3,951,628 km (0.104 R)
• M21: 4,165,852 km (0.074 R)
• M22: 4,274,460 km (0.077 R)
• M23: 4,408,500 km (0.115 R)
• M24: 4,506,935 km (0.103 R)
• M25: 4,908,007 km (0.098 R)
• M26: 5,087,076 km (0.055 R)
• M27: 5,177,433 km (0.054 R)
• M28: 5,294,418 km (0.089 R)
• M29: 5,451,945 km (0.078 R)
• M30: 5,987,954 km (0.071 R)
• M31: 6,110,923 km (0.046 R)
• M32: 6,290,142 km (0.072 R)
• M33: 6,401,293 km (0.113 R)
• M34: 6,527,105 km (0.066 R)
• M35: 6,625,540 km (0.065 R)
• M36: 6,809,695 km (0.068 R)
• M37: 7,270,307 km (0.093 R)
• M38: 7,548,559 km (0.048 R)
• M39: 7,755,902 km (0.069 R)
• M40: 7,950,080 km (0.08 R)
• M41: 8,161,162 km (0.084 R)
• M42: 8,282,636 km (0.091 R)
• M43: 8,511,820 km (0.099 R)
• M44: 8,727,839 km (0.091 R)
• M45: 8,929,946 km (0.074 R)
• M46: 9,055,159 km (0.102 R)
• M47: 9,481,962 km (0.089 R)
• M48: 9,721,917 km (0.114 R)
• M49: 9,866,877 km (0.04 R)
• M50: 10,191,654 km (0.106 R)
• M51: 10,388,226 km (0.072 R)
• M52: 10,520,021 km (0.113 R)
• M53: 10,619,205 km (0.112 R)
• M54: 10,801,864 km (0.108 R)
• M55: 10,935,305 km (0.086 R)
• M56: 11,170,174 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.3

Radius: 11.5

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.81 AU - 1.99 AU

Year: 1718 Days

Day: 6.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 9,078,016 km

• M1: 148,401 km (0.112 R)
• M2: 340,634 km (0.108 R)
• M3: 483,201 km (0.068 R)
• M4: 570,566 km (0.12 R)
• M5: 724,951 km (0.107 R)
• M6: 828,323 km (0.104 R)
• M7: 954,285 km (0.114 R)
• M8: 1,033,123 km (0.049 R)
• M9: 1,452,147 km (0.116 R)
• M10: 1,533,977 km (0.109 R)
• M11: 1,606,980 km (0.071 R)
• M12: 1,833,023 km (0.067 R)
• M13: 1,933,253 km (0.097 R)
• M14: 2,023,760 km (0.118 R)
• M15: 2,185,924 km (0.083 R)
• M16: 2,304,555 km (0.068 R)
• M17: 2,610,333 km (0.111 R)
• M18: 2,774,741 km (0.06 R)
• M19: 3,073,937 km (0.064 R)
• M20: 3,424,894 km (0.047 R)
• M21: 3,932,180 km (0.092 R)
• M22: 4,106,611 km (0.098 R)
• M23: 4,224,345 km (0.051 R)
• M24: 4,418,074 km (0.077 R)
• M25: 4,599,536 km (0.079 R)
• M26: 4,752,575 km (0.117 R)
• M27: 4,985,499 km (0.115 R)
• M28: 5,286,041 km (0.063 R)
• M29: 5,805,445 km (0.047 R)
• M30: 5,904,778 km (0.076 R)
• M31: 6,273,536 km (0.079 R)
• M32: 6,443,629 km (0.091 R)
• M33: 6,928,177 km (0.099 R)
• M34: 7,051,146 km (0.1 R)
• M35: 7,228,120 km (0.072 R)
• M36: 7,442,494 km (0.072 R)
• M37: 7,969,228 km (0.039 R)
• M38: 8,227,733 km (0.033 R)
• M39: 8,545,479 km (0.117 R)
• M40: 8,734,272 km (0.092 R)
• M41: 8,943,709 km (0.066 R)
• M42: 9,116,195 km (0.091 R)
• M43: 9,212,386 km (0.114 R)
• M44: 9,445,011 km (0.061 R)
• M45: 9,542,399 km (0.091 R)
• M46: 10,054,772 km (0.077 R)
• M47: 10,414,705 km (0.038 R)
• M48: 10,515,384 km (0.101 R)
• M49: 10,738,135 km (0.069 R)
• M50: 11,024,017 km (0.112 R)
• M51: 11,812,397 km (0.1 R)
• M52: 11,938,508 km (0.078 R)
• M53: 12,022,882 km (0.094 R)
• M54: 12,319,684 km (0.039 R)
• M55: 12,618,880 km (0.061 R)
• M56: 12,963,852 km (0.035 R)
• M57: 13,137,535 km (0.102 R)
• M58: 13,596,950 km (0.078 R)
• M59: 13,729,195 km (0.116 R)
• M60: 13,861,888 km (0.083 R)
• M61: 14,039,461 km (0.087 R)
• M62: 14,464,319 km (0.065 R)
• M63: 14,554,377 km (0.119 R)
• M64: 14,644,435 km (0.107 R)
• M65: 14,848,037 km (0.073 R)
• M66: 15,007,060 km (0.119 R)
• M67: 15,235,047 km (0.037 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.4

Radius: 11.1

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.64 AU - 4.1 AU

Year: 4994 Days

Day: 8.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 9,078,016 km

• M1: 234,420 km (0.097 R)
• M2: 440,416 km (0.076 R)
• M3: 603,478 km (0.05 R)
• M4: 687,253 km (0.098 R)
• M5: 1,036,264 km (0.113 R)
• M6: 1,215,483 km (0.082 R)
• M7: 1,537,567 km (0.118 R)
• M8: 1,674,150 km (0.114 R)
• M9: 1,779,167 km (0.074 R)
• M10: 3,251,211 km (0.093 R)
• M11: 3,631,189 km (0.086 R)
• M12: 3,815,045 km (0.042 R)
• M13: 4,025,529 km (0.079 R)
• M14: 4,630,503 km (0.05 R)
• M15: 4,931,045 km (0.094 R)
• M16: 5,212,139 km (0.108 R)
• M17: 5,315,661 km (0.095 R)
• M18: 7,007,015 km (0.08 R)
• M19: 7,497,845 km (0.061 R)
• M20: 7,673,772 km (0.11 R)
• M21: 8,149,643 km (0.119 R)
• M22: 8,604,421 km (0.114 R)
• M23: 8,788,725 km (0.091 R)
• M24: 9,005,343 km (0.118 R)
• M25: 9,161,224 km (0.06 R)
• M26: 9,380,983 km (0.086 R)
• M27: 9,793,574 km (0.075 R)
• M28: 9,985,957 km (0.071 R)
• M29: 10,082,747 km (0.086 R)
• M30: 10,244,612 km (0.076 R)
• M31: 10,603,796 km (0.067 R)
• M32: 11,167,032 km (0.072 R)
• M33: 11,267,412 km (0.091 R)
• M34: 11,739,992 km (0.044 R)
• M35: 11,876,276 km (0.119 R)
• M36: 12,288,119 km (0.081 R)
• M37: 13,161,172 km (0.099 R)
• M38: 13,409,205 km (0.086 R)
• M39: 13,551,772 km (0.065 R)
• M40: 13,982,015 km (0.105 R)
• M41: 15,225,772 km (0.116 R)
• M42: 15,710,619 km (0.092 R)
• M43: 16,049,308 km (0.097 R)
• M44: 16,162,704 km (0.106 R)
• M45: 16,657,274 km (0.108 R)
• M46: 17,041,142 km (0.079 R)
• M47: 17,350,361 km (0.102 R)
• M48: 17,583,435 km (0.086 R)
• M49: 17,700,420 km (0.066 R)
• M50: 17,895,944 km (0.095 R)
• M51: 18,013,528 km (0.052 R)
• M52: 18,210,250 km (0.073 R)
• M53: 18,289,088 km (0.103 R)
• M54: 18,447,213 km (0.105 R)
• M55: 19,004,016 km (0.119 R)
• M56: 19,084,051 km (0.107 R)
• M57: 19,566,354 km (0.108 R)
• M58: 19,849,543 km (0.115 R)
• M59: 20,256,449 km (0.047 R)
• M60: 20,502,089 km (0.113 R)
• M61: 20,748,477 km (0.085 R)
• M62: 21,078,789 km (0.073 R)
• M63: 21,702,612 km (0.07 R)
• M64: 21,786,237 km (0.102 R)
• M65: 21,870,012 km (0.083 R)
• M66: 22,628,473 km (0.035 R)
• M67: 22,968,359 km (0.073 R)
• M68: 23,267,256 km (0.11 R)
• M69: 23,696,303 km (0.052 R)
• M70: 23,868,639 km (0.066 R)
• M71: 24,301,426 km (0.106 R)
• M72: 25,394,687 km (0.074 R)
• M73: 25,925,161 km (0.064 R)
• M74: 26,058,303 km (0.087 R)
• M75: 26,727,754 km (0.116 R)
• M76: 27,447,918 km (0.102 R)
• M77: 27,855,872 km (0.087 R)
• M78: 28,083,410 km (0.09 R)
• M79: 28,174,665 km (0.115 R)
• M80: 28,311,547 km (0.109 R)
• M81: 29,184,001 km (0.099 R)
• M82: 29,832,658 km (0.106 R)
• M83: 30,158,632 km (0.049 R)
• M84: 30,579,600 km (0.065 R)
• M85: 30,720,372 km (0.068 R)
• M86: 31,759,179 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.1

Radius: 9.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.2 AU - 5.22 AU

Year: 5667 Days

Day: 6.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 9,078,016 km

• M1: 168,597 km (0.073 R)
• M2: 265,686 km (0.05 R)
• M3: 420,669 km (0.074 R)
• M4: 486,642 km (0.118 R)
• M5: 556,803 km (0.09 R)
• M6: 642,074 km (0.054 R)
• M7: 732,132 km (0.052 R)
• M8: 901,028 km (0.094 R)
• M9: 990,488 km (0.058 R)
• M10: 1,165,068 km (0.094 R)
• M11: 1,438,533 km (0.1 R)
• M12: 1,529,189 km (0.052 R)
• M13: 1,878,500 km (0.114 R)
• M14: 1,978,133 km (0.087 R)
• M15: 2,217,788 km (0.107 R)
• M16: 2,394,763 km (0.112 R)
• M17: 2,576,375 km (0.047 R)
• M18: 2,800,472 km (0.065 R)
• M19: 3,287,712 km (0.1 R)
• M20: 3,408,737 km (0.109 R)
• M21: 3,490,118 km (0.089 R)
• M22: 3,717,507 km (0.117 R)
• M23: 3,928,590 km (0.068 R)
• M24: 4,035,552 km (0.104 R)
• M25: 4,428,845 km (0.09 R)
• M26: 4,652,643 km (0.093 R)
• M27: 4,765,889 km (0.07 R)
• M28: 4,903,220 km (0.105 R)
• M29: 5,041,747 km (0.099 R)
• M30: 5,657,043 km (0.104 R)
• M31: 6,246,160 km (0.047 R)
• M32: 6,421,788 km (0.075 R)
• M33: 6,497,484 km (0.087 R)
• M34: 6,984,126 km (0.095 R)
• M35: 7,350,192 km (0.118 R)
• M36: 7,509,065 km (0.112 R)
• M37: 7,965,339 km (0.073 R)
• M38: 8,736,366 km (0.093 R)
• M39: 8,848,415 km (0.108 R)
• M40: 9,159,130 km (0.034 R)
• M41: 9,444,862 km (0.113 R)
• M42: 9,559,902 km (0.056 R)
• M43: 9,849,673 km (0.061 R)
• M44: 10,142,287 km (0.044 R)
• M45: 10,706,271 km (0.11 R)
• M46: 11,895,574 km (0.088 R)
• M47: 12,082,272 km (0.119 R)
• M48: 12,207,336 km (0.063 R)
• M49: 12,711,630 km (0.113 R)
• M50: 13,319,446 km (0.111 R)
• M51: 14,530,142 km (0.113 R)
• M52: 14,696,345 km (0.111 R)
• M53: 15,469,467 km (0.034 R)
• M54: 15,605,302 km (0.107 R)
• M55: 16,049,458 km (0.076 R)
• M56: 16,118,123 km (0.109 R)
• M57: 16,497,653 km (0.08 R)
• M58: 17,160,372 km (0.082 R)
• M59: 17,796,013 km (0.053 R)
• M60: 18,295,820 km (0.11 R)
• M61: 18,403,530 km (0.083 R)
• M62: 19,382,499 km (0.117 R)
• M63: 19,565,606 km (0.095 R)
• M64: 19,859,865 km (0.107 R)
• M65: 20,415,322 km (0.098 R)
• M66: 20,601,721 km (0.103 R)
• M67: 21,617,640 km (0.11 R)
• M68: 21,921,922 km (0.051 R)
• M69: 22,112,660 km (0.033 R)
• M70: 22,189,104 km (0.113 R)
• M71: 22,265,698 km (0.053 R)
• M72: 22,419,186 km (0.111 R)
• M73: 22,842,847 km (0.06 R)
• M74: 23,854,876 km (0.113 R)
• M75: 23,972,610 km (0.057 R)
• M76: 24,169,182 km (0.04 R)
• M77: 26,043,493 km (0.051 R)
• M78: 26,164,668 km (0.117 R)
• M79: 26,488,846 km (0.1 R)
• M80: 26,570,078 km (0.054 R)
• M81: 26,732,840 km (0.056 R)
• M82: 27,100,253 km (0.038 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.6

Radius: 11.5

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.91 AU - 4.69 AU

Year: 5849 Days

Day: 11.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 123.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 9,078,016 km

• M1: 196,572 km (0.114 R)
• M2: 446,998 km (0.046 R)
• M3: 586,274 km (0.1 R)
• M4: 720,164 km (0.075 R)
• M5: 906,563 km (0.097 R)
• M6: 1,071,270 km (0.054 R)
• M7: 1,273,377 km (0.091 R)
• M8: 1,523,954 km (0.098 R)
• M9: 2,064,899 km (0.078 R)
• M10: 2,186,672 km (0.046 R)
• M11: 2,420,344 km (0.075 R)
• M12: 2,822,313 km (0.114 R)
• M13: 3,678,761 km (0.085 R)
• M14: 4,140,869 km (0.098 R)
• M15: 4,879,434 km (0.043 R)
• M16: 4,977,420 km (0.083 R)
• M17: 5,465,857 km (0.063 R)
• M18: 5,796,170 km (0.115 R)
• M19: 6,027,897 km (0.115 R)
• M20: 6,298,070 km (0.093 R)
• M21: 6,393,065 km (0.107 R)
• M22: 7,120,260 km (0.063 R)
• M23: 7,418,558 km (0.099 R)
• M24: 7,594,486 km (0.095 R)
• M25: 8,066,168 km (0.056 R)
• M26: 8,182,256 km (0.112 R)
• M27: 8,718,564 km (0.115 R)
• M28: 8,824,629 km (0.114 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 19,181 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit