🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.3

Radius: 10.8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.58 AU - 0.72 AU

Year: 362 Days

Day: 5 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,566,934 km

• M1: 134,488 km (0.096 R)
• M2: 517,459 km (0.095 R)
• M3: 942,317 km (0.036 R)
• M4: 1,377,497 km (0.038 R)
• M5: 2,042,909 km (0.075 R)
• M6: 2,383,543 km (0.06 R)
• M7: 2,903,246 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.9

Radius: 9.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.85 AU - 0.93 AU

Year: 580 Days

Day: 12.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,566,934 km

• M1: 120,576 km (0.115 R)
• M2: 502,350 km (0.045 R)
• M3: 876,045 km (0.08 R)
• M4: 1,277,416 km (0.048 R)
• M5: 1,704,219 km (0.097 R)
• M6: 2,215,993 km (0.029 R)
• M7: 2,817,377 km (0.071 R)
• M8: 3,276,343 km (0.088 R)
• M9: 3,696,264 km (0.032 R)
• M10: 4,372,596 km (0.055 R)
• M11: 5,020,355 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565

Radius: 8.5

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.7 AU - 1.1 AU

Year: 589 Days

Day: 7.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,566,934 km

• M1: 105,766 km (0.1 R)
• M2: 371,452 km (0.106 R)
• M3: 708,346 km (0.099 R)
• M4: 999,912 km (0.072 R)
• M5: 1,510,340 km (0.117 R)
• M6: 1,805,646 km (0.092 R)
• M7: 2,103,496 km (0.108 R)
• M8: 2,680,943 km (0.052 R)
• M9: 3,094,432 km (0.108 R)
• M10: 3,979,603 km (0.087 R)
• M11: 4,830,366 km (0.117 R)
• M12: 6,165,826 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 11.8

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.85 AU - 1.41 AU

Year: 829 Days

Day: 5 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,566,934 km

• M1: 146,756 km (0.104 R)
• M2: 534,812 km (0.069 R)
• M3: 912,547 km (0.048 R)
• M4: 1,305,541 km (0.096 R)
• M5: 1,805,347 km (0.087 R)
• M6: 2,293,485 km (0.095 R)
• M7: 3,017,987 km (0.114 R)
• M8: 4,295,104 km (0.084 R)
• M9: 4,939,273 km (0.083 R)
• M10: 5,454,338 km (0.062 R)
• M11: 6,811,490 km (0.08 R)
• M12: 7,287,361 km (0.073 R)
• M13: 8,331,255 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.9

Radius: 10

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.54 AU - 2 AU

Year: 1625 Days

Day: 11.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 103.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,566,934 km

• M1: 124,316 km (0.047 R)
• M2: 592,258 km (0.06 R)
• M3: 985,102 km (0.054 R)
• M4: 1,431,502 km (0.08 R)
• M5: 2,293,934 km (0.079 R)
• M6: 2,665,086 km (0.119 R)
• M7: 3,311,798 km (0.049 R)
• M8: 4,361,676 km (0.068 R)
• M9: 5,458,228 km (0.077 R)
• M10: 6,081,901 km (0.084 R)
• M11: 7,201,941 km (0.067 R)
• M12: 7,696,661 km (0.078 R)
• M13: 9,033,318 km (0.089 R)
• M14: 9,347,025 km (0.109 R)
• M15: 10,270,642 km (0.043 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.7

Radius: 13

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.25 AU - 3.09 AU

Year: 3011 Days

Day: 14.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,566,934 km

• M1: 161,865 km (0.051 R)
• M2: 1,222,065 km (0.101 R)
• M3: 2,040,066 km (0.069 R)
• M4: 2,630,828 km (0.073 R)
• M5: 3,351,441 km (0.082 R)
• M6: 4,000,097 km (0.117 R)
• M7: 4,753,173 km (0.03 R)
• M8: 7,081,963 km (0.107 R)
• M9: 8,089,355 km (0.055 R)
• M10: 8,948,795 km (0.103 R)
• M11: 9,650,409 km (0.105 R)
• M12: 10,200,630 km (0.062 R)
• M13: 11,403,995 km (0.079 R)
• M14: 12,145,103 km (0.105 R)
• M15: 12,786,878 km (0.119 R)
• M16: 14,231,844 km (0.093 R)
• M17: 16,703,799 km (0.114 R)
• M18: 18,540,263 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.9

Radius: 11.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.93 AU - 4.19 AU

Year: 5647 Days

Day: 13.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,566,934 km

• M1: 141,819 km (0.027 R)
• M2: 806,482 km (0.115 R)
• M3: 1,307,037 km (0.079 R)
• M4: 1,738,776 km (0.028 R)
• M5: 2,425,879 km (0.117 R)
• M6: 3,600,522 km (0.119 R)
• M7: 4,122,020 km (0.079 R)
• M8: 4,904,117 km (0.082 R)
• M9: 5,903,282 km (0.064 R)
• M10: 10,062,701 km (0.11 R)
• M11: 12,109,499 km (0.075 R)
• M12: 12,661,665 km (0.068 R)
• M13: 17,512,376 km (0.032 R)
• M14: 20,173,722 km (0.105 R)
• M15: 21,382,323 km (0.094 R)
• M16: 22,115,652 km (0.052 R)
• M17: 23,477,591 km (0.089 R)
• M18: 27,985,423 km (0.054 R)
• M19: 28,509,614 km (0.105 R)
• M20: 30,030,576 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.6

Radius: 11.8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.89 AU - 5.23 AU

Year: 6721 Days

Day: 5.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,566,934 km

• M1: 146,905 km (0.1 R)
• M2: 618,737 km (0.084 R)
• M3: 1,016,518 km (0.054 R)
• M4: 1,527,993 km (0.089 R)
• M5: 1,956,441 km (0.065 R)
• M6: 2,394,912 km (0.062 R)
• M7: 5,053,566 km (0.066 R)
• M8: 5,569,230 km (0.1 R)
• M9: 9,346,277 km (0.12 R)
• M10: 10,219,629 km (0.109 R)
• M11: 10,749,804 km (0.065 R)
• M12: 12,723,449 km (0.119 R)
• M13: 15,737,397 km (0.11 R)
• M14: 20,990,077 km (0.106 R)
• M15: 21,926,710 km (0.096 R)
• M16: 22,405,273 km (0.115 R)
• M17: 23,136,358 km (0.095 R)
• M18: 24,135,821 km (0.05 R)
• M19: 27,306,997 km (0.054 R)
• M20: 30,448,851 km (0.084 R)
• M21: 31,750,203 km (0.113 R)
• M22: 32,466,179 km (0.115 R)
• M23: 33,824,228 km (0.114 R)
• M24: 36,877,371 km (0.095 R)
• M25: 38,470,888 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.9

Radius: 4.4

Gravity: 40.39 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.86 AU - 7.1 AU

Year: 11386 Days

Day: 19.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,566,934 km

• M1: 116,088 km (0.072 R)
• M2: 434,881 km (0.112 R)
• M3: 574,605 km (0.067 R)
• M4: 1,455,587 km (0.099 R)
• M5: 2,051,585 km (0.059 R)
• M6: 2,621,852 km (0.057 R)
• M7: 4,363,022 km (0.08 R)
• M8: 5,902,833 km (0.065 R)
• M9: 7,250,710 km (0.072 R)
• M10: 8,791,119 km (0.093 R)
• M11: 10,482,772 km (0.107 R)
• M12: 11,607,149 km (0.046 R)
• M13: 12,018,992 km (0.063 R)
• M14: 14,359,301 km (0.103 R)
• M15: 17,136,885 km (0.116 R)
• M16: 20,000,487 km (0.079 R)
• M17: 26,249,789 km (0.111 R)
• M18: 27,060,908 km (0.084 R)
• M19: 28,308,704 km (0.06 R)
• M20: 29,921,818 km (0.042 R)
• M21: 35,249,297 km (0.056 R)
• M22: 35,494,189 km (0.097 R)
• M23: 37,495,061 km (0.061 R)
• M24: 38,006,835 km (0.061 R)
• M25: 40,233,599 km (0.103 R)
• M26: 44,372,673 km (0.075 R)
• M27: 45,958,710 km (0.091 R)
• M28: 49,243,430 km (0.04 R)
• M29: 52,521,718 km (0.076 R)
• M30: 53,001,478 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.2

Radius: 6.3

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.16 AU - 11.6 AU

Year: 23084 Days

Day: 15.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,566,934 km

• M1: 80,932 km (0.083 R)
• M2: 357,689 km (0.113 R)
• M3: 812,915 km (0.117 R)
• M4: 1,717,084 km (0.06 R)
• M5: 1,980,975 km (0.052 R)
• M6: 2,353,922 km (0.055 R)
• M7: 2,796,134 km (0.088 R)
• M8: 4,052,756 km (0.104 R)
• M9: 4,362,274 km (0.036 R)
• M10: 5,313,716 km (0.075 R)
• M11: 9,041,695 km (0.095 R)
• M12: 9,410,005 km (0.11 R)
• M13: 10,460,332 km (0.111 R)
• M14: 13,322,887 km (0.102 R)
• M15: 13,799,955 km (0.071 R)
• M16: 14,644,136 km (0.067 R)
• M17: 17,142,570 km (0.1 R)
• M18: 17,870,363 km (0.097 R)
• M19: 18,450,504 km (0.072 R)
• M20: 23,257,233 km (0.057 R)
• M21: 25,894,195 km (0.089 R)
• M22: 26,210,744 km (0.056 R)
• M23: 31,036,023 km (0.116 R)
• M24: 45,694,221 km (0.057 R)
• M25: 46,622,027 km (0.076 R)
• M26: 50,458,763 km (0.077 R)
• M27: 51,950,254 km (0.106 R)
• M28: 56,600,504 km (0.046 R)
• M29: 60,588,933 km (0.101 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 19,968 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit