🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527

Radius: 12.6

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1 AU - 1.14 AU

Year: 764 Days

Day: 14.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,073,598 km

• M1: 156,928 km (0.098 R)
• M2: 656,435 km (0.068 R)
• M3: 1,503,459 km (0.081 R)
• M4: 2,076,418 km (0.119 R)
• M5: 2,872,728 km (0.084 R)
• M6: 3,519,140 km (0.083 R)
• M7: 4,066,070 km (0.065 R)
• M8: 4,572,758 km (0.101 R)
• M9: 5,225,753 km (0.083 R)
• M10: 5,769,840 km (0.108 R)
• M11: 6,823,458 km (0.088 R)
• M12: 7,407,488 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.2

Radius: 10.8

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.48 AU - 2.4 AU

Year: 1865 Days

Day: 6.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,073,598 km

• M1: 135,386 km (0.114 R)
• M2: 513,121 km (0.108 R)
• M3: 892,800 km (0.102 R)
• M4: 1,243,308 km (0.088 R)
• M5: 2,312,933 km (0.109 R)
• M6: 3,009,610 km (0.055 R)
• M7: 3,663,203 km (0.067 R)
• M8: 4,043,032 km (0.117 R)
• M9: 4,469,087 km (0.118 R)
• M10: 4,861,033 km (0.112 R)
• M11: 5,231,138 km (0.114 R)
• M12: 6,277,725 km (0.098 R)
• M13: 6,691,214 km (0.086 R)
• M14: 7,922,853 km (0.098 R)
• M15: 8,468,287 km (0.104 R)
• M16: 11,051,543 km (0.118 R)
• M17: 12,684,553 km (0.074 R)
• M18: 13,601,588 km (0.041 R)
• M19: 14,606,736 km (0.067 R)
• M20: 14,967,865 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.1

Radius: 9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.76 AU - 3.04 AU

Year: 3409 Days

Day: 14.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,073,598 km

• M1: 113,096 km (0.103 R)
• M2: 660,774 km (0.069 R)
• M3: 1,601,894 km (0.107 R)
• M4: 2,136,108 km (0.112 R)
• M5: 3,040,876 km (0.099 R)
• M6: 3,326,159 km (0.117 R)
• M7: 4,119,327 km (0.092 R)
• M8: 4,737,316 km (0.078 R)
• M9: 5,194,936 km (0.086 R)
• M10: 6,137,253 km (0.092 R)
• M11: 6,768,107 km (0.094 R)
• M12: 7,144,346 km (0.119 R)
• M13: 7,890,540 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.9

Radius: 10.2

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 3.4 AU - 4.26 AU

Year: 5174 Days

Day: 14.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,073,598 km

• M1: 128,505 km (0.117 R)
• M2: 492,925 km (0.114 R)
• M3: 963,410 km (0.074 R)
• M4: 1,292,825 km (0.064 R)
• M5: 1,661,135 km (0.073 R)
• M6: 2,026,453 km (0.071 R)
• M7: 2,445,476 km (0.092 R)
• M8: 4,946,005 km (0.094 R)
• M9: 5,419,183 km (0.117 R)
• M10: 6,360,153 km (0.055 R)
• M11: 6,819,269 km (0.051 R)
• M12: 8,602,775 km (0.114 R)
• M13: 9,967,108 km (0.095 R)
• M14: 11,186,330 km (0.092 R)
• M15: 12,351,249 km (0.099 R)
• M16: 13,329,469 km (0.104 R)
• M17: 19,618,564 km (0.077 R)
• M18: 21,526,386 km (0.099 R)
• M19: 22,040,553 km (0.106 R)
• M20: 25,380,625 km (0.089 R)
• M21: 28,866,106 km (0.071 R)

Asteroid Belt

Center: 4.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.6

Radius: 10.2

Gravity: 8.46 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.53 AU - 4.65 AU

Year: 6788 Days

Day: 5.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,073,598 km

• M1: 127,308 km (0.103 R)
• M2: 596,297 km (0.043 R)
• M3: 1,146,518 km (0.052 R)
• M4: 2,277,029 km (0.115 R)
• M5: 2,832,187 km (0.119 R)
• M6: 5,801,705 km (0.025 R)
• M7: 6,306,149 km (0.069 R)
• M8: 7,211,814 km (0.118 R)
• M9: 8,968,991 km (0.094 R)
• M10: 11,663,398 km (0.069 R)
• M11: 12,688,742 km (0.088 R)
• M12: 14,367,978 km (0.112 R)
• M13: 15,166,980 km (0.058 R)
• M14: 19,986,724 km (0.113 R)
• M15: 25,918,429 km (0.034 R)
• M16: 28,320,523 km (0.119 R)
• M17: 30,565,837 km (0.075 R)
• M18: 31,989,261 km (0.034 R)
• M19: 33,138,322 km (0.112 R)
• M20: 34,098,740 km (0.098 R)
• M21: 34,531,377 km (0.1 R)
• M22: 36,637,267 km (0.114 R)
• M23: 39,655,703 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.1

Radius: 5.3

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.73 AU - 7.51 AU

Year: 10451 Days

Day: 18.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,073,598 km

• M1: 65,973 km (0.08 R)
• M2: 494,720 km (0.047 R)
• M3: 1,007,093 km (0.059 R)
• M4: 1,289,833 km (0.044 R)
• M5: 1,545,196 km (0.116 R)
• M6: 1,762,113 km (0.084 R)
• M7: 1,937,891 km (0.1 R)
• M8: 2,592,531 km (0.032 R)
• M9: 4,094,793 km (0.083 R)
• M10: 4,300,041 km (0.074 R)
• M11: 4,900,228 km (0.093 R)
• M12: 7,071,641 km (0.106 R)
• M13: 7,749,170 km (0.102 R)
• M14: 8,760,601 km (0.104 R)
• M15: 10,462,277 km (0.108 R)
• M16: 12,425,749 km (0.098 R)
• M17: 12,748,132 km (0.111 R)
• M18: 13,353,704 km (0.075 R)
• M19: 14,151,809 km (0.098 R)
• M20: 16,607,159 km (0.067 R)
• M21: 17,064,180 km (0.069 R)
• M22: 17,395,839 km (0.098 R)
• M23: 17,664,068 km (0.108 R)
• M24: 22,184,317 km (0.079 R)
• M25: 23,140,098 km (0.106 R)
• M26: 30,806,989 km (0.038 R)
• M27: 32,601,116 km (0.078 R)
• M28: 33,523,836 km (0.119 R)
• M29: 33,731,178 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.4

Radius: 5.8

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 6.37 AU - 9.89 AU

Year: 16001 Days

Day: 18.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,073,598 km

• M1: 72,106 km (0.05 R)
• M2: 1,041,052 km (0.098 R)
• M3: 1,385,127 km (0.105 R)
• M4: 1,709,754 km (0.092 R)
• M5: 2,281,368 km (0.111 R)
• M6: 2,693,360 km (0.116 R)
• M7: 3,716,310 km (0.081 R)
• M8: 5,297,859 km (0.094 R)
• M9: 5,841,498 km (0.101 R)
• M10: 10,011,239 km (0.097 R)
• M11: 17,819,949 km (0.054 R)
• M12: 26,814,670 km (0.058 R)
• M13: 27,010,344 km (0.117 R)
• M14: 27,305,651 km (0.103 R)
• M15: 27,503,718 km (0.094 R)
• M16: 34,475,428 km (0.053 R)
• M17: 45,807,018 km (0.078 R)
• M18: 46,932,742 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.6

Radius: 6

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.11 AU - 8.35 AU

Year: 16297 Days

Day: 24.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,073,598 km

• M1: 74,799 km (0.098 R)
• M2: 483,949 km (0.056 R)
• M3: 740,210 km (0.111 R)
• M4: 3,978,107 km (0.105 R)
• M5: 4,204,299 km (0.103 R)
• M6: 4,776,361 km (0.115 R)
• M7: 5,064,786 km (0.084 R)
• M8: 5,263,451 km (0.025 R)
• M9: 5,783,154 km (0.116 R)
• M10: 6,528,451 km (0.052 R)
• M11: 7,378,017 km (0.097 R)
• M12: 8,299,091 km (0.112 R)
• M13: 11,519,934 km (0.081 R)
• M14: 11,864,458 km (0.088 R)
• M15: 12,816,648 km (0.11 R)
• M16: 15,418,604 km (0.104 R)
• M17: 16,263,084 km (0.119 R)
• M18: 20,280,834 km (0.078 R)
• M19: 21,293,761 km (0.098 R)
• M20: 35,230,598 km (0.034 R)
• M21: 38,066,525 km (0.085 R)
• M22: 44,467,668 km (0.073 R)
• M23: 46,461,508 km (0.102 R)
• M24: 47,333,963 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.7

Radius: 4

Gravity: 30.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.47 AU - 11.85 AU

Year: 22354 Days

Day: 16.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,073,598 km

• M1: 49,816 km (0.079 R)
• M2: 206,445 km (0.038 R)
• M3: 550,670 km (0.026 R)
• M4: 785,688 km (0.105 R)
• M5: 1,034,170 km (0.026 R)
• M6: 1,439,730 km (0.059 R)
• M7: 1,982,172 km (0.116 R)
• M8: 2,674,062 km (0.097 R)
• M9: 3,180,600 km (0.05 R)
• M10: 3,485,182 km (0.04 R)
• M11: 3,688,934 km (0.099 R)
• M12: 4,282,239 km (0.106 R)
• M13: 5,344,833 km (0.07 R)
• M14: 6,928,326 km (0.114 R)
• M15: 7,157,660 km (0.117 R)
• M16: 7,777,444 km (0.038 R)
• M17: 13,290,574 km (0.111 R)
• M18: 15,354,426 km (0.082 R)
• M19: 16,788,322 km (0.113 R)
• M20: 24,458,354 km (0.097 R)
• M21: 26,075,507 km (0.083 R)
• M22: 27,419,495 km (0.065 R)
• M23: 30,856,655 km (0.117 R)
• M24: 32,870,691 km (0.083 R)
• M25: 35,239,274 km (0.069 R)
• M26: 36,879,914 km (0.116 R)
• M27: 37,578,387 km (0.118 R)
• M28: 38,427,953 km (0.115 R)
• M29: 43,331,322 km (0.092 R)
• M30: 45,531,608 km (0.087 R)
• M31: 48,635,315 km (0.077 R)
• M32: 49,813,398 km (0.101 R)
• M33: 62,658,619 km (0.086 R)
• M34: 66,285,171 km (0.097 R)
• M35: 70,262,530 km (0.104 R)
• M36: 71,334,997 km (0.111 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 13,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit