🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.73

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.61 AU - 0.67 AU

Year: 331 Days

Day: 46.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 15,948,435 km

• M1: 39,494 km (0.074 R)
• M2: 630,555 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.6

Radius: 14.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.02 AU - 1.18 AU

Year: 745 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 15,948,435 km

• M1: 190,588 km (0.071 R)
• M2: 283,937 km (0.103 R)
• M3: 379,530 km (0.074 R)
• M4: 534,064 km (0.054 R)
• M5: 720,164 km (0.105 R)
• M6: 842,834 km (0.106 R)
• M7: 945,010 km (0.105 R)
• M8: 1,047,035 km (0.112 R)
• M9: 1,153,250 km (0.099 R)
• M10: 1,268,889 km (0.111 R)
• M11: 1,450,202 km (0.106 R)
• M12: 1,553,125 km (0.073 R)
• M13: 1,742,217 km (0.097 R)
• M14: 1,864,588 km (0.048 R)
• M15: 2,111,873 km (0.099 R)
• M16: 2,216,592 km (0.116 R)
• M17: 2,383,692 km (0.093 R)
• M18: 2,534,487 km (0.12 R)
• M19: 2,674,361 km (0.078 R)
• M20: 2,766,663 km (0.108 R)
• M21: 3,102,361 km (0.059 R)
• M22: 3,199,599 km (0.098 R)
• M23: 3,521,235 km (0.08 R)
• M24: 3,805,321 km (0.119 R)
• M25: 4,064,425 km (0.093 R)
• M26: 4,220,904 km (0.1 R)
• M27: 4,548,673 km (0.101 R)
• M28: 4,745,992 km (0.117 R)
• M29: 4,919,825 km (0.088 R)
• M30: 5,042,944 km (0.098 R)
• M31: 5,202,565 km (0.07 R)
• M32: 5,436,237 km (0.032 R)
• M33: 5,545,294 km (0.11 R)
• M34: 5,691,900 km (0.114 R)
• M35: 5,904,778 km (0.092 R)
• M36: 5,998,276 km (0.029 R)
• M37: 6,253,041 km (0.105 R)
• M38: 6,415,205 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 247.9

Radius: 9.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.9 AU - 1.3 AU

Year: 745 Days

Day: 9.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 15,948,435 km

• M1: 123,717 km (0.038 R)
• M2: 199,713 km (0.057 R)
• M3: 304,432 km (0.086 R)
• M4: 382,073 km (0.05 R)
• M5: 441,015 km (0.114 R)
• M6: 536,308 km (0.067 R)
• M7: 635,492 km (0.072 R)
• M8: 766,839 km (0.08 R)
• M9: 836,102 km (0.076 R)
• M10: 903,122 km (0.107 R)
• M11: 972,087 km (0.095 R)
• M12: 1,057,507 km (0.104 R)
• M13: 1,220,719 km (0.093 R)
• M14: 1,323,941 km (0.096 R)
• M15: 1,408,614 km (0.107 R)
• M16: 1,511,537 km (0.087 R)
• M17: 1,702,424 km (0.104 R)
• M18: 1,789,041 km (0.05 R)
• M19: 1,895,255 km (0.074 R)
• M20: 2,070,584 km (0.113 R)
• M21: 2,163,484 km (0.088 R)
• M22: 2,366,339 km (0.104 R)
• M23: 2,549,148 km (0.072 R)
• M24: 2,682,439 km (0.101 R)
• M25: 2,743,176 km (0.103 R)
• M26: 2,880,058 km (0.061 R)
• M27: 2,942,291 km (0.083 R)
• M28: 3,005,122 km (0.097 R)
• M29: 3,117,769 km (0.106 R)
• M30: 3,217,551 km (0.049 R)
• M31: 3,332,891 km (0.103 R)
• M32: 3,420,406 km (0.099 R)
• M33: 3,597,530 km (0.094 R)
• M34: 3,717,357 km (0.116 R)
• M35: 3,815,793 km (0.101 R)
• M36: 3,945,793 km (0.109 R)
• M37: 4,046,174 km (0.063 R)
• M38: 4,178,717 km (0.07 R)
• M39: 4,384,265 km (0.068 R)
• M40: 4,504,392 km (0.096 R)
• M41: 4,666,257 km (0.093 R)
• M42: 4,871,355 km (0.1 R)
• M43: 5,087,824 km (0.104 R)
• M44: 5,146,616 km (0.104 R)
• M45: 5,205,707 km (0.074 R)
• M46: 5,282,002 km (0.108 R)
• M47: 5,427,112 km (0.113 R)
• M48: 5,573,568 km (0.055 R)
• M49: 5,773,730 km (0.094 R)
• M50: 6,020,716 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.9

Radius: 13.3

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.81 AU - 2.03 AU

Year: 1718 Days

Day: 11.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 15,948,435 km

• M1: 170,242 km (0.044 R)
• M2: 259,852 km (0.095 R)
• M3: 405,261 km (0.108 R)
• M4: 557,701 km (0.108 R)
• M5: 676,930 km (0.106 R)
• M6: 1,151,904 km (0.116 R)
• M7: 1,393,205 km (0.091 R)
• M8: 1,573,171 km (0.093 R)
• M9: 1,935,796 km (0.081 R)
• M10: 2,127,431 km (0.065 R)
• M11: 2,415,258 km (0.043 R)
• M12: 2,587,295 km (0.046 R)
• M13: 2,763,372 km (0.096 R)
• M14: 3,090,692 km (0.115 R)
• M15: 3,278,138 km (0.046 R)
• M16: 3,366,850 km (0.095 R)
• M17: 3,456,459 km (0.101 R)
• M18: 4,312,607 km (0.062 R)
• M19: 4,564,979 km (0.092 R)
• M20: 4,678,823 km (0.119 R)
• M21: 5,055,211 km (0.059 R)
• M22: 5,217,375 km (0.051 R)
• M23: 5,547,239 km (0.06 R)
• M24: 5,714,639 km (0.075 R)
• M25: 5,806,641 km (0.099 R)
• M26: 5,914,801 km (0.076 R)
• M27: 6,007,850 km (0.064 R)
• M28: 6,101,499 km (0.097 R)
• M29: 6,242,869 km (0.108 R)
• M30: 6,337,863 km (0.119 R)
• M31: 6,529,049 km (0.096 R)
• M32: 6,722,180 km (0.097 R)
• M33: 6,884,644 km (0.079 R)
• M34: 7,097,671 km (0.05 R)
• M35: 7,196,854 km (0.106 R)
• M36: 7,496,948 km (0.107 R)
• M37: 7,614,831 km (0.083 R)
• M38: 7,699,354 km (0.089 R)
• M39: 8,092,347 km (0.103 R)
• M40: 8,196,019 km (0.049 R)
• M41: 8,439,564 km (0.1 R)
• M42: 8,756,263 km (0.112 R)
• M43: 8,987,391 km (0.075 R)
• M44: 9,256,518 km (0.099 R)
• M45: 9,383,078 km (0.073 R)
• M46: 9,802,999 km (0.107 R)
• M47: 10,491,448 km (0.102 R)
• M48: 10,794,085 km (0.111 R)
• M49: 11,369,139 km (0.032 R)
• M50: 11,797,288 km (0.07 R)
• M51: 12,092,295 km (0.063 R)
• M52: 12,349,903 km (0.111 R)
• M53: 13,296,558 km (0.07 R)
• M54: 13,521,404 km (0.098 R)
• M55: 13,995,778 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.6

Radius: 14.2

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.58 AU - 2.58 AU

Year: 1937 Days

Day: 12.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 179.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 15,948,435 km

• M1: 295,755 km (0.108 R)
• M2: 519,853 km (0.082 R)
• M3: 637,287 km (0.039 R)
• M4: 729,140 km (0.086 R)
• M5: 952,789 km (0.094 R)
• M6: 1,103,883 km (0.11 R)
• M7: 1,393,654 km (0.115 R)
• M8: 1,499,120 km (0.092 R)
• M9: 1,677,890 km (0.086 R)
• M10: 1,938,639 km (0.038 R)
• M11: 2,068,490 km (0.112 R)
• M12: 2,167,972 km (0.102 R)
• M13: 2,326,097 km (0.097 R)
• M14: 2,453,106 km (0.048 R)
• M15: 2,654,016 km (0.108 R)
• M16: 2,860,610 km (0.113 R)
• M17: 3,047,309 km (0.102 R)
• M18: 3,161,452 km (0.066 R)
• M19: 3,251,211 km (0.045 R)
• M20: 3,459,600 km (0.065 R)
• M21: 3,848,704 km (0.101 R)
• M22: 3,986,185 km (0.066 R)
• M23: 4,097,486 km (0.118 R)
• M24: 4,223,896 km (0.068 R)
• M25: 5,054,762 km (0.089 R)
• M26: 5,220,966 km (0.094 R)
• M27: 5,435,040 km (0.094 R)
• M28: 5,999,323 km (0.088 R)
• M29: 6,111,223 km (0.12 R)
• M30: 6,337,265 km (0.08 R)
• M31: 6,566,000 km (0.1 R)
• M32: 6,747,762 km (0.11 R)
• M33: 7,354,082 km (0.08 R)
• M34: 7,663,749 km (0.112 R)
• M35: 7,872,738 km (0.102 R)
• M36: 8,013,060 km (0.074 R)
• M37: 8,154,281 km (0.109 R)
• M38: 8,296,399 km (0.12 R)
• M39: 8,510,922 km (0.081 R)
• M40: 8,727,390 km (0.115 R)
• M41: 8,854,548 km (0.093 R)
• M42: 9,092,259 km (0.106 R)
• M43: 9,369,315 km (0.038 R)
• M44: 9,611,514 km (0.113 R)
• M45: 9,950,502 km (0.086 R)
• M46: 10,197,788 km (0.11 R)
• M47: 10,485,614 km (0.03 R)
• M48: 10,679,044 km (0.113 R)
• M49: 10,776,283 km (0.101 R)
• M50: 11,187,527 km (0.026 R)
• M51: 11,286,262 km (0.07 R)
• M52: 11,544,168 km (0.084 R)
• M53: 11,663,996 km (0.104 R)
• M54: 12,147,048 km (0.094 R)
• M55: 12,289,166 km (0.058 R)
• M56: 12,472,722 km (0.113 R)
• M57: 12,718,961 km (0.118 R)
• M58: 12,966,695 km (0.104 R)
• M59: 13,153,692 km (0.118 R)
• M60: 13,320,494 km (0.099 R)
• M61: 13,762,107 km (0.114 R)
• M62: 14,016,423 km (0.028 R)
• M63: 14,122,937 km (0.079 R)
• M64: 14,272,534 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.5

Radius: 12.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.86 AU - 3.14 AU

Year: 3355 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 15,948,435 km

• M1: 237,113 km (0.119 R)
• M2: 404,662 km (0.078 R)
• M3: 496,216 km (0.108 R)
• M4: 639,680 km (0.054 R)
• M5: 744,249 km (0.114 R)
• M6: 847,472 km (0.111 R)
• M7: 930,499 km (0.104 R)
• M8: 1,025,344 km (0.106 R)
• M9: 1,160,431 km (0.105 R)
• M10: 1,292,376 km (0.114 R)
• M11: 1,634,506 km (0.096 R)
• M12: 2,005,359 km (0.108 R)
• M13: 2,295,280 km (0.12 R)
• M14: 2,598,814 km (0.113 R)
• M15: 2,825,605 km (0.115 R)
• M16: 2,928,528 km (0.093 R)
• M17: 3,019,633 km (0.061 R)
• M18: 3,218,149 km (0.115 R)
• M19: 3,600,372 km (0.056 R)
• M20: 3,954,171 km (0.106 R)
• M21: 4,055,299 km (0.08 R)
• M22: 4,230,628 km (0.106 R)
• M23: 4,348,960 km (0.053 R)
• M24: 4,453,529 km (0.112 R)
• M25: 4,573,955 km (0.102 R)
• M26: 4,710,687 km (0.114 R)
• M27: 4,802,690 km (0.078 R)
• M28: 5,160,827 km (0.056 R)
• M29: 5,431,300 km (0.118 R)
• M30: 6,052,580 km (0.114 R)
• M31: 6,203,076 km (0.095 R)
• M32: 6,507,807 km (0.074 R)
• M33: 6,627,634 km (0.111 R)
• M34: 7,291,251 km (0.084 R)
• M35: 7,721,344 km (0.107 R)
• M36: 8,531,267 km (0.088 R)
• M37: 8,832,557 km (0.099 R)
• M38: 8,927,403 km (0.057 R)
• M39: 9,214,032 km (0.093 R)
• M40: 9,581,594 km (0.084 R)
• M41: 9,776,969 km (0.07 R)
• M42: 9,875,105 km (0.111 R)
• M43: 9,973,690 km (0.033 R)
• M44: 10,052,678 km (0.083 R)
• M45: 10,451,057 km (0.1 R)
• M46: 10,712,853 km (0.114 R)
• M47: 10,915,708 km (0.097 R)
• M48: 11,119,909 km (0.072 R)
• M49: 11,284,018 km (0.097 R)
• M50: 11,511,257 km (0.078 R)
• M51: 11,635,722 km (0.096 R)
• M52: 12,286,324 km (0.076 R)
• M53: 12,648,201 km (0.048 R)
• M54: 12,798,098 km (0.099 R)
• M55: 13,056,753 km (0.044 R)
• M56: 13,338,745 km (0.09 R)
• M57: 13,447,801 km (0.086 R)
• M58: 13,622,831 km (0.117 R)
• M59: 13,798,608 km (0.085 R)
• M60: 14,621,696 km (0.106 R)
• M61: 14,711,604 km (0.114 R)
• M62: 14,892,019 km (0.117 R)
• M63: 15,027,705 km (0.077 R)
• M64: 15,255,093 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.6

Radius: 13.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.44 AU - 4.02 AU

Year: 3748 Days

Day: 9.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 15,948,435 km

• M1: 182,061 km (0.098 R)
• M2: 308,620 km (0.052 R)
• M3: 516,561 km (0.117 R)
• M4: 613,052 km (0.097 R)
• M5: 732,730 km (0.057 R)
• M6: 1,163,572 km (0.075 R)
• M7: 1,268,889 km (0.026 R)
• M8: 1,428,211 km (0.102 R)
• M9: 1,531,284 km (0.116 R)
• M10: 1,647,821 km (0.12 R)
• M11: 1,970,054 km (0.088 R)
• M12: 2,228,260 km (0.094 R)
• M13: 2,410,770 km (0.118 R)
• M14: 2,535,235 km (0.035 R)
• M15: 2,765,017 km (0.078 R)
• M16: 3,122,706 km (0.089 R)
• M17: 3,680,257 km (0.082 R)
• M18: 3,781,086 km (0.038 R)
• M19: 4,029,867 km (0.112 R)
• M20: 4,208,786 km (0.076 R)
• M21: 4,405,657 km (0.092 R)
• M22: 4,935,084 km (0.083 R)
• M23: 5,110,712 km (0.044 R)
• M24: 5,321,047 km (0.075 R)
• M25: 5,633,706 km (0.078 R)
• M26: 5,800,657 km (0.104 R)
• M27: 5,901,636 km (0.088 R)
• M28: 6,003,213 km (0.092 R)
• M29: 6,208,162 km (0.101 R)
• M30: 6,398,151 km (0.087 R)
• M31: 6,537,577 km (0.086 R)
• M32: 6,908,280 km (0.111 R)
• M33: 7,322,217 km (0.092 R)
• M34: 7,413,173 km (0.08 R)
• M35: 7,818,434 km (0.112 R)
• M36: 7,911,633 km (0.084 R)
• M37: 8,117,779 km (0.046 R)
• M38: 8,287,872 km (0.035 R)
• M39: 8,631,498 km (0.104 R)
• M40: 8,921,568 km (0.1 R)
• M41: 9,038,404 km (0.102 R)
• M42: 9,670,605 km (0.099 R)
• M43: 9,871,066 km (0.047 R)
• M44: 9,971,895 km (0.079 R)
• M45: 10,296,672 km (0.065 R)
• M46: 10,707,617 km (0.031 R)
• M47: 10,852,727 km (0.052 R)
• M48: 11,376,320 km (0.026 R)
• M49: 11,524,571 km (0.051 R)
• M50: 11,715,907 km (0.061 R)
• M51: 12,448,338 km (0.092 R)
• M52: 12,666,751 km (0.107 R)
• M53: 12,886,211 km (0.069 R)
• M54: 12,974,474 km (0.066 R)
• M55: 13,085,027 km (0.109 R)
• M56: 13,173,588 km (0.108 R)
• M57: 13,306,880 km (0.08 R)
• M58: 13,867,423 km (0.11 R)
• M59: 14,550,188 km (0.106 R)
• M60: 14,988,211 km (0.105 R)
• M61: 15,383,897 km (0.057 R)
• M62: 15,924,843 km (0.113 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 10,534 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit