🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.4

Radius: 8.2

Gravity: 14.33 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.47 AU - 1.51 AU

Year: 1234 Days

Day: 11.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,243,240 km

• M1: 102,026 km (0.054 R)
• M2: 359,035 km (0.106 R)
• M3: 663,317 km (0.112 R)
• M4: 1,174,044 km (0.096 R)
• M5: 1,535,323 km (0.103 R)
• M6: 2,158,398 km (0.103 R)
• M7: 2,827,998 km (0.092 R)
• M8: 3,728,727 km (0.112 R)
• M9: 4,402,665 km (0.074 R)
• M10: 5,072,415 km (0.072 R)
• M11: 6,249,301 km (0.103 R)
• M12: 6,637,957 km (0.095 R)
• M13: 7,277,488 km (0.071 R)
• M14: 7,598,674 km (0.096 R)
• M15: 9,923,126 km (0.097 R)
• M16: 10,285,302 km (0.049 R)
• M17: 11,786,068 km (0.082 R)
• M18: 13,189,745 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.1

Radius: 10.9

Gravity: 6.98 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.71 AU - 2.51 AU

Year: 2079 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,243,240 km

• M1: 135,984 km (0.058 R)
• M2: 489,634 km (0.077 R)
• M3: 938,278 km (0.085 R)
• M4: 1,559,857 km (0.094 R)
• M5: 2,359,308 km (0.114 R)
• M6: 3,047,309 km (0.079 R)
• M7: 3,412,926 km (0.072 R)
• M8: 3,997,554 km (0.109 R)
• M9: 4,583,978 km (0.101 R)
• M10: 5,021,253 km (0.067 R)
• M11: 5,486,203 km (0.116 R)
• M12: 5,929,162 km (0.07 R)
• M13: 6,449,314 km (0.115 R)
• M14: 9,695,588 km (0.052 R)
• M15: 10,831,335 km (0.101 R)
• M16: 11,333,235 km (0.097 R)
• M17: 13,365,822 km (0.111 R)
• M18: 15,244,621 km (0.112 R)
• M19: 16,372,440 km (0.074 R)
• M20: 16,931,038 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.6

Radius: 13.5

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.23 AU - 2.39 AU

Year: 2381 Days

Day: 14.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,243,240 km

• M1: 167,849 km (0.116 R)
• M2: 1,418,936 km (0.066 R)
• M3: 2,611,380 km (0.088 R)
• M4: 3,301,027 km (0.105 R)
• M5: 3,765,229 km (0.079 R)
• M6: 4,207,141 km (0.075 R)
• M7: 6,206,516 km (0.053 R)
• M8: 6,668,026 km (0.092 R)
• M9: 7,271,205 km (0.1 R)
• M10: 8,166,548 km (0.098 R)
• M11: 8,940,118 km (0.105 R)
• M12: 10,116,556 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.8

Radius: 12.2

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.68 AU - 2.84 AU

Year: 3110 Days

Day: 8.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,243,240 km

• M1: 151,991 km (0.101 R)
• M2: 631,602 km (0.096 R)
• M3: 1,024,297 km (0.051 R)
• M4: 1,759,421 km (0.108 R)
• M5: 2,855,375 km (0.119 R)
• M6: 3,241,038 km (0.066 R)
• M7: 3,927,542 km (0.071 R)
• M8: 4,498,558 km (0.077 R)
• M9: 8,831,660 km (0.071 R)
• M10: 9,239,015 km (0.067 R)
• M11: 9,932,850 km (0.089 R)
• M12: 11,381,256 km (0.038 R)
• M13: 12,545,128 km (0.061 R)
• M14: 13,060,792 km (0.052 R)
• M15: 14,590,580 km (0.095 R)
• M16: 15,638,961 km (0.098 R)
• M17: 21,183,507 km (0.095 R)
• M18: 22,118,045 km (0.117 R)
• M19: 22,527,046 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449

Radius: 12.4

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.72 AU - 3.02 AU

Year: 3298 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,243,240 km

• M1: 154,235 km (0.046 R)
• M2: 1,113,158 km (0.113 R)
• M3: 1,584,092 km (0.047 R)
• M4: 2,214,647 km (0.082 R)
• M5: 3,040,577 km (0.092 R)
• M6: 4,122,469 km (0.064 R)
• M7: 6,006,055 km (0.11 R)
• M8: 7,952,473 km (0.041 R)
• M9: 8,540,393 km (0.038 R)
• M10: 9,476,576 km (0.103 R)
• M11: 10,947,871 km (0.083 R)
• M12: 11,348,644 km (0.104 R)
• M13: 13,229,837 km (0.094 R)
• M14: 14,530,292 km (0.088 R)
• M15: 15,410,226 km (0.093 R)
• M16: 17,222,455 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.8

Radius: 9.4

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.95 AU - 4.49 AU

Year: 5880 Days

Day: 14 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,243,240 km

• M1: 118,781 km (0.119 R)
• M2: 1,303,446 km (0.077 R)
• M3: 2,240,228 km (0.086 R)
• M4: 3,530,809 km (0.116 R)
• M5: 5,316,110 km (0.085 R)
• M6: 6,138,599 km (0.058 R)
• M7: 7,352,885 km (0.069 R)
• M8: 8,720,209 km (0.1 R)
• M9: 9,117,093 km (0.063 R)
• M10: 10,827,295 km (0.095 R)
• M11: 11,567,805 km (0.115 R)
• M12: 13,046,879 km (0.086 R)
• M13: 13,672,348 km (0.116 R)
• M14: 18,952,255 km (0.087 R)
• M15: 22,965,966 km (0.082 R)
• M16: 25,051,360 km (0.108 R)
• M17: 25,450,936 km (0.101 R)
• M18: 26,262,804 km (0.079 R)
• M19: 29,773,118 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570

Radius: 9.1

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.99 AU - 5.23 AU

Year: 6713 Days

Day: 6 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,243,240 km

• M1: 114,592 km (0.117 R)
• M2: 414,386 km (0.106 R)
• M3: 791,373 km (0.119 R)
• M4: 1,340,098 km (0.11 R)
• M5: 1,901,090 km (0.116 R)
• M6: 2,318,169 km (0.036 R)
• M7: 3,252,707 km (0.075 R)
• M8: 3,599,624 km (0.109 R)
• M9: 4,471,780 km (0.088 R)
• M10: 6,067,091 km (0.104 R)
• M11: 6,360,303 km (0.084 R)
• M12: 7,933,474 km (0.094 R)
• M13: 8,324,374 km (0.044 R)
• M14: 8,810,417 km (0.05 R)
• M15: 11,880,165 km (0.114 R)
• M16: 12,919,272 km (0.038 R)
• M17: 14,188,012 km (0.104 R)
• M18: 17,885,921 km (0.108 R)
• M19: 19,671,073 km (0.063 R)
• M20: 20,315,840 km (0.118 R)
• M21: 22,800,810 km (0.098 R)
• M22: 24,075,683 km (0.109 R)
• M23: 25,397,530 km (0.098 R)
• M24: 26,247,844 km (0.095 R)
• M25: 27,204,971 km (0.092 R)
• M26: 28,095,079 km (0.116 R)
• M27: 29,466,442 km (0.116 R)
• M28: 30,405,169 km (0.112 R)
• M29: 34,154,839 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.4

Radius: 3.2

Gravity: 63.71 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 7.05 AU - 9.49 AU

Year: 16131 Days

Day: 17.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,243,240 km

• M1: 47,871 km (0.1 R)
• M2: 188,942 km (0.058 R)
• M3: 295,456 km (0.091 R)
• M4: 1,127,370 km (0.107 R)
• M5: 1,524,701 km (0.115 R)
• M6: 3,485,780 km (0.088 R)
• M7: 4,157,474 km (0.102 R)
• M8: 4,808,375 km (0.081 R)
• M9: 5,016,166 km (0.063 R)
• M10: 5,122,231 km (0.088 R)
• M11: 5,946,964 km (0.104 R)
• M12: 6,146,079 km (0.069 R)
• M13: 10,361,149 km (0.1 R)
• M14: 12,044,873 km (0.07 R)
• M15: 18,676,696 km (0.032 R)
• M16: 19,624,099 km (0.104 R)
• M17: 20,154,124 km (0.105 R)
• M18: 20,512,860 km (0.086 R)
• M19: 21,521,000 km (0.097 R)
• M20: 23,536,682 km (0.04 R)
• M21: 27,938,300 km (0.081 R)
• M22: 30,684,318 km (0.114 R)
• M23: 31,278,222 km (0.032 R)
• M24: 36,439,947 km (0.098 R)
• M25: 36,705,334 km (0.081 R)
• M26: 42,286,980 km (0.113 R)
• M27: 43,318,607 km (0.084 R)
• M28: 50,025,827 km (0.073 R)
• M29: 52,857,715 km (0.119 R)
• M30: 57,931,925 km (0.107 R)
• M31: 60,123,235 km (0.118 R)
• M32: 62,369,147 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.5

Radius: 6.6

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 7.4 AU - 9.44 AU

Year: 16571 Days

Day: 15.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 91.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,243,240 km

• M1: 82,129 km (0.038 R)
• M2: 477,516 km (0.043 R)
• M3: 776,114 km (0.057 R)
• M4: 1,544,448 km (0.06 R)
• M5: 1,823,748 km (0.054 R)
• M6: 2,484,821 km (0.118 R)
• M7: 2,759,333 km (0.081 R)
• M8: 3,627,000 km (0.047 R)
• M9: 4,388,304 km (0.087 R)
• M10: 9,492,134 km (0.107 R)
• M11: 10,059,709 km (0.1 R)
• M12: 13,115,545 km (0.091 R)
• M13: 19,222,279 km (0.084 R)
• M14: 23,391,422 km (0.068 R)
• M15: 25,685,655 km (0.106 R)
• M16: 26,684,371 km (0.095 R)
• M17: 41,709,083 km (0.108 R)
• M18: 43,366,478 km (0.104 R)
• M19: 47,403,975 km (0.082 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: 300 - 19,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit