🌌 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 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 11.8

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.57 AU - 0.63 AU

Year: 321 Days

Day: 12.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,800,927 km

• M1: 150,047 km (0.097 R)
• M2: 764,445 km (0.034 R)
• M3: 1,298,809 km (0.104 R)
• M4: 1,822,850 km (0.059 R)
• M5: 2,692,762 km (0.097 R)
• M6: 3,202,442 km (0.056 R)
• M7: 3,631,937 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.8

Radius: 9.7

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.92 AU - 1.04 AU

Year: 670 Days

Day: 13.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 37,800,927 km

• M1: 120,576 km (0.096 R)
• M2: 423,811 km (0.098 R)
• M3: 967,001 km (0.08 R)
• M4: 1,295,218 km (0.045 R)
• M5: 2,319,515 km (0.107 R)
• M6: 2,706,076 km (0.115 R)
• M7: 3,187,332 km (0.108 R)
• M8: 3,609,946 km (0.114 R)
• M9: 4,008,176 km (0.102 R)
• M10: 5,726,307 km (0.052 R)
• M11: 6,374,066 km (0.081 R)
• M12: 6,715,748 km (0.1 R)
• M13: 7,115,024 km (0.116 R)
• M14: 8,332,601 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.1

Radius: 10.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.71 AU - 1.99 AU

Year: 1737 Days

Day: 12.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,800,927 km

• M1: 125,662 km (0.098 R)
• M2: 459,714 km (0.08 R)
• M3: 1,085,183 km (0.088 R)
• M4: 1,488,349 km (0.115 R)
• M5: 1,822,551 km (0.076 R)
• M6: 2,910,127 km (0.09 R)
• M7: 3,674,722 km (0.064 R)
• M8: 4,354,495 km (0.086 R)
• M9: 5,528,689 km (0.11 R)
• M10: 6,922,941 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.8

Radius: 14.9

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.03 AU - 2.47 AU

Year: 2330 Days

Day: 11.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,800,927 km

• M1: 185,352 km (0.092 R)
• M2: 842,086 km (0.037 R)
• M3: 2,788,504 km (0.108 R)
• M4: 3,312,097 km (0.114 R)
• M5: 4,326,221 km (0.098 R)
• M6: 5,689,207 km (0.102 R)
• M7: 6,319,612 km (0.064 R)
• M8: 7,292,597 km (0.116 R)
• M9: 9,901,733 km (0.09 R)
• M10: 11,829,302 km (0.043 R)
• M11: 14,373,962 km (0.08 R)
• M12: 14,904,137 km (0.053 R)
• M13: 17,210,786 km (0.116 R)
• M14: 17,699,223 km (0.062 R)
• M15: 18,364,934 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 8.9

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.18 AU - 3.58 AU

Year: 4289 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,800,927 km

• M1: 114,742 km (0.105 R)
• M2: 484,398 km (0.094 R)
• M3: 1,006,345 km (0.086 R)
• M4: 1,802,954 km (0.081 R)
• M5: 2,335,821 km (0.103 R)
• M6: 2,676,904 km (0.051 R)
• M7: 3,034,892 km (0.092 R)
• M8: 4,022,388 km (0.079 R)
• M9: 4,472,528 km (0.09 R)
• M10: 5,377,146 km (0.076 R)
• M11: 6,984,425 km (0.081 R)
• M12: 8,391,992 km (0.086 R)
• M13: 8,855,596 km (0.059 R)
• M14: 11,196,204 km (0.102 R)
• M15: 11,474,905 km (0.064 R)
• M16: 12,381,468 km (0.053 R)
• M17: 14,290,037 km (0.068 R)
• M18: 16,335,938 km (0.102 R)
• M19: 18,238,823 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.1

Radius: 14.1

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.81 AU - 6.25 AU

Year: 7787 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,800,927 km

• M1: 175,478 km (0.076 R)
• M2: 669,899 km (0.062 R)
• M3: 1,123,779 km (0.116 R)
• M4: 1,617,153 km (0.086 R)
• M5: 2,142,242 km (0.05 R)
• M6: 2,900,104 km (0.06 R)
• M7: 3,365,055 km (0.097 R)
• M8: 3,831,201 km (0.117 R)
• M9: 5,280,954 km (0.075 R)
• M10: 6,387,829 km (0.101 R)
• M11: 6,923,240 km (0.065 R)
• M12: 7,527,166 km (0.086 R)
• M13: 10,692,209 km (0.112 R)
• M14: 11,397,563 km (0.085 R)
• M15: 11,867,300 km (0.119 R)
• M16: 13,297,456 km (0.112 R)
• M17: 15,337,522 km (0.052 R)
• M18: 16,630,945 km (0.111 R)
• M19: 17,786,439 km (0.082 R)
• M20: 18,277,569 km (0.097 R)
• M21: 19,140,599 km (0.112 R)
• M22: 20,409,488 km (0.113 R)
• M23: 22,214,685 km (0.076 R)
• M24: 22,702,674 km (0.102 R)
• M25: 28,840,824 km (0.067 R)
• M26: 31,517,279 km (0.117 R)
• M27: 32,237,444 km (0.098 R)
• M28: 33,603,721 km (0.11 R)
• M29: 34,355,301 km (0.117 R)
• M30: 40,053,783 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.1

Radius: 4.6

Gravity: 22.5 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.11 AU - 6.13 AU

Year: 9196 Days

Day: 22.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,800,927 km

• M1: 83,625 km (0.075 R)
• M2: 261,198 km (0.048 R)
• M3: 407,654 km (0.089 R)
• M4: 618,438 km (0.057 R)
• M5: 956,379 km (0.103 R)
• M6: 1,943,576 km (0.104 R)
• M7: 3,834,044 km (0.108 R)
• M8: 4,036,749 km (0.109 R)
• M9: 4,273,413 km (0.051 R)
• M10: 7,327,304 km (0.111 R)
• M11: 8,545,778 km (0.12 R)
• M12: 9,247,841 km (0.104 R)
• M13: 10,420,838 km (0.073 R)
• M14: 13,459,320 km (0.11 R)
• M15: 13,868,919 km (0.038 R)
• M16: 14,529,394 km (0.077 R)
• M17: 15,848,099 km (0.102 R)
• M18: 16,042,726 km (0.052 R)
• M19: 17,658,084 km (0.088 R)
• M20: 20,509,120 km (0.099 R)
• M21: 22,164,570 km (0.117 R)
• M22: 23,484,023 km (0.053 R)
• M23: 23,906,787 km (0.106 R)
• M24: 28,898,718 km (0.094 R)
• M25: 30,371,659 km (0.111 R)
• M26: 32,936,365 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.8

Radius: 3

Gravity: 50.64 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.9 AU - 7.22 AU

Year: 11598 Days

Day: 17.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,800,927 km

• M1: 37,399 km (0.105 R)
• M2: 145,858 km (0.081 R)
• M3: 276,307 km (0.119 R)
• M4: 423,362 km (0.089 R)
• M5: 522,097 km (0.063 R)
• M6: 811,718 km (0.083 R)
• M7: 1,452,595 km (0.032 R)
• M8: 1,607,130 km (0.058 R)
• M9: 1,867,430 km (0.053 R)
• M10: 2,881,853 km (0.095 R)
• M11: 3,432,523 km (0.047 R)
• M12: 4,327,866 km (0.119 R)
• M13: 5,078,249 km (0.096 R)
• M14: 5,635,352 km (0.088 R)
• M15: 6,378,554 km (0.078 R)
• M16: 6,792,791 km (0.048 R)
• M17: 7,026,163 km (0.117 R)
• M18: 7,550,055 km (0.081 R)
• M19: 8,230,127 km (0.1 R)
• M20: 10,006,901 km (0.073 R)
• M21: 10,462,277 km (0.096 R)
• M22: 10,984,224 km (0.12 R)
• M23: 11,744,031 km (0.053 R)
• M24: 13,246,592 km (0.102 R)
• M25: 13,610,713 km (0.105 R)
• M26: 14,232,293 km (0.093 R)
• M27: 15,868,594 km (0.082 R)
• M28: 19,045,455 km (0.047 R)
• M29: 27,101,749 km (0.119 R)
• M30: 29,497,259 km (0.075 R)
• M31: 35,048,388 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.7

Radius: 3.6

Gravity: 18.42 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.46 AU - 7.86 AU

Year: 11864 Days

Day: 15.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 37,800,927 km

• M1: 54,154 km (0.118 R)
• M2: 182,659 km (0.114 R)
• M3: 329,115 km (0.075 R)
• M4: 586,573 km (0.11 R)
• M5: 700,716 km (0.049 R)
• M6: 1,568,384 km (0.036 R)
• M7: 1,850,675 km (0.104 R)
• M8: 2,116,511 km (0.045 R)
• M9: 3,305,066 km (0.102 R)
• M10: 4,142,515 km (0.032 R)
• M11: 4,272,665 km (0.066 R)
• M12: 4,792,667 km (0.068 R)
• M13: 4,994,475 km (0.075 R)
• M14: 5,924,225 km (0.106 R)
• M15: 6,123,041 km (0.105 R)
• M16: 6,604,596 km (0.094 R)
• M17: 7,000,283 km (0.115 R)
• M18: 9,174,389 km (0.077 R)
• M19: 9,530,581 km (0.097 R)
• M20: 11,605,055 km (0.092 R)
• M21: 12,448,039 km (0.061 R)
• M22: 13,218,468 km (0.12 R)
• M23: 16,229,424 km (0.06 R)
• M24: 16,750,025 km (0.106 R)
• M25: 17,893,252 km (0.079 R)
• M26: 19,087,342 km (0.12 R)
• M27: 19,594,180 km (0.111 R)
• M28: 19,961,741 km (0.108 R)
• M29: 21,322,633 km (0.089 R)
• M30: 21,868,217 km (0.08 R)
• M31: 24,227,674 km (0.08 R)
• M32: 26,572,023 km (0.082 R)
• M33: 28,684,793 km (0.091 R)
• M34: 30,709,002 km (0.062 R)
• M35: 36,457,899 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 16,061 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit