🌌 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 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702

Radius: 13.4

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.58 AU - 0.7 AU

Year: 353 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 111.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,263,560 km

• M1: 166,652 km (0.097 R)
• M2: 631,901 km (0.11 R)
• M3: 1,129,314 km (0.108 R)
• M4: 2,054,876 km (0.065 R)
• M5: 2,520,724 km (0.035 R)
• M6: 2,944,236 km (0.108 R)
• M7: 3,506,873 km (0.106 R)
• M8: 4,205,795 km (0.108 R)
• M9: 4,764,393 km (0.093 R)
• M10: 5,204,360 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.6

Radius: 9.8

Gravity: 10.14 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.66 AU - 0.94 AU

Year: 494 Days

Day: 10.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,263,560 km

• M1: 121,922 km (0.099 R)
• M2: 486,043 km (0.064 R)
• M3: 1,354,459 km (0.049 R)
• M4: 2,000,572 km (0.077 R)
• M5: 2,475,246 km (0.066 R)
• M6: 3,107,148 km (0.093 R)
• M7: 3,546,068 km (0.04 R)
• M8: 3,884,608 km (0.109 R)
• M9: 4,999,411 km (0.051 R)
• M10: 6,794,286 km (0.07 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.5

Radius: 14

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.74 AU - 1.04 AU

Year: 580 Days

Day: 14.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,263,560 km

• M1: 174,132 km (0.082 R)
• M2: 689,497 km (0.06 R)
• M3: 1,185,264 km (0.063 R)
• M4: 1,875,359 km (0.085 R)
• M5: 2,549,746 km (0.108 R)
• M6: 3,143,051 km (0.075 R)
• M7: 3,593,490 km (0.066 R)
• M8: 4,236,761 km (0.096 R)
• M9: 4,822,287 km (0.066 R)
• M10: 5,371,910 km (0.109 R)
• M11: 6,001,717 km (0.098 R)
• M12: 6,618,509 km (0.026 R)
• M13: 7,365,451 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.1

Radius: 9.1

Gravity: 8.95 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.96 AU - 1.18 AU

Year: 764 Days

Day: 9.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,263,560 km

• M1: 113,246 km (0.118 R)
• M2: 552,615 km (0.086 R)
• M3: 1,015,470 km (0.104 R)
• M4: 1,444,966 km (0.097 R)
• M5: 1,802,206 km (0.076 R)
• M6: 2,269,101 km (0.098 R)
• M7: 3,178,057 km (0.105 R)
• M8: 4,153,136 km (0.114 R)
• M9: 4,988,790 km (0.108 R)
• M10: 5,715,387 km (0.078 R)
• M11: 6,660,995 km (0.106 R)
• M12: 7,148,534 km (0.064 R)
• M13: 8,370,599 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.4

Radius: 12.6

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.49 AU - 2.43 AU

Year: 1894 Days

Day: 10.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,263,560 km

• M1: 156,629 km (0.119 R)
• M2: 550,221 km (0.059 R)
• M3: 1,007,990 km (0.047 R)
• M4: 1,576,014 km (0.095 R)
• M5: 2,076,867 km (0.109 R)
• M6: 2,683,636 km (0.085 R)
• M7: 3,355,331 km (0.112 R)
• M8: 3,759,095 km (0.117 R)
• M9: 4,235,116 km (0.059 R)
• M10: 4,665,808 km (0.107 R)
• M11: 5,058,353 km (0.076 R)
• M12: 6,318,864 km (0.118 R)
• M13: 6,883,596 km (0.084 R)
• M14: 7,423,346 km (0.111 R)
• M15: 8,782,741 km (0.068 R)
• M16: 10,521,667 km (0.094 R)
• M17: 11,355,526 km (0.049 R)
• M18: 12,070,155 km (0.08 R)
• M19: 13,112,253 km (0.095 R)
• M20: 15,043,562 km (0.114 R)
• M21: 15,663,047 km (0.09 R)
• M22: 16,548,965 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.4

Radius: 8.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.47 AU - 3.79 AU

Year: 3822 Days

Day: 12.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,263,560 km

• M1: 142,716 km (0.106 R)
• M2: 459,116 km (0.077 R)
• M3: 722,558 km (0.105 R)
• M4: 1,208,751 km (0.066 R)
• M5: 1,531,433 km (0.044 R)
• M6: 2,452,208 km (0.1 R)
• M7: 3,721,247 km (0.114 R)
• M8: 6,539,821 km (0.09 R)
• M9: 7,794,348 km (0.079 R)
• M10: 9,166,460 km (0.091 R)
• M11: 9,817,211 km (0.111 R)
• M12: 13,494,775 km (0.107 R)
• M13: 14,052,177 km (0.082 R)
• M14: 15,064,206 km (0.102 R)
• M15: 16,964,548 km (0.11 R)
• M16: 19,425,882 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.4

Radius: 12.4

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 3.65 AU - 5.85 AU

Year: 7146 Days

Day: 14.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,263,560 km

• M1: 163,062 km (0.088 R)
• M2: 965,355 km (0.05 R)
• M3: 1,655,600 km (0.1 R)
• M4: 3,159,208 km (0.119 R)
• M5: 3,764,630 km (0.114 R)
• M6: 4,381,123 km (0.101 R)
• M7: 7,929,286 km (0.111 R)
• M8: 8,460,657 km (0.118 R)
• M9: 9,302,444 km (0.116 R)
• M10: 9,706,508 km (0.073 R)
• M11: 10,788,400 km (0.116 R)
• M12: 12,251,766 km (0.116 R)
• M13: 12,737,959 km (0.116 R)
• M14: 15,467,073 km (0.118 R)
• M15: 16,941,211 km (0.073 R)
• M16: 17,379,084 km (0.109 R)
• M17: 18,334,865 km (0.085 R)
• M18: 20,289,660 km (0.027 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.9

Radius: 3.9

Gravity: 27.94 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.76 AU - 7.82 AU

Year: 10889 Days

Day: 19.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,263,560 km

• M1: 80,035 km (0.089 R)
• M2: 235,617 km (0.071 R)
• M3: 1,192,145 km (0.086 R)
• M4: 1,917,396 km (0.101 R)
• M5: 2,291,391 km (0.1 R)
• M6: 3,532,903 km (0.118 R)
• M7: 4,621,976 km (0.078 R)
• M8: 6,629,579 km (0.111 R)
• M9: 7,083,310 km (0.101 R)
• M10: 7,317,729 km (0.108 R)
• M11: 8,307,619 km (0.067 R)
• M12: 9,714,287 km (0.039 R)
• M13: 12,587,015 km (0.107 R)
• M14: 23,101,801 km (0.097 R)
• M15: 29,001,492 km (0.12 R)
• M16: 30,005,593 km (0.07 R)
• M17: 32,509,412 km (0.095 R)
• M18: 37,102,965 km (0.119 R)
• M19: 38,046,927 km (0.057 R)
• M20: 40,975,006 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 999.7

Radius: 6.1

Gravity: 26.87 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 8.5 AU - 8.98 AU

Year: 17835 Days

Day: 22.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 56,263,560 km

• M1: 75,846 km (0.082 R)
• M2: 914,941 km (0.041 R)
• M3: 1,773,782 km (0.089 R)
• M4: 2,024,209 km (0.109 R)
• M5: 2,767,860 km (0.103 R)
• M6: 4,494,070 km (0.102 R)
• M7: 4,814,508 km (0.097 R)
• M8: 5,581,646 km (0.114 R)
• M9: 7,851,644 km (0.11 R)
• M10: 8,855,446 km (0.066 R)
• M11: 10,548,595 km (0.11 R)
• M12: 10,924,085 km (0.072 R)
• M13: 12,446,393 km (0.073 R)
• M14: 12,654,933 km (0.03 R)
• M15: 14,792,387 km (0.108 R)
• M16: 16,151,185 km (0.102 R)
• M17: 16,734,167 km (0.057 R)
• M18: 20,821,630 km (0.108 R)
• M19: 21,214,175 km (0.113 R)
• M20: 23,462,631 km (0.091 R)
• M21: 25,416,678 km (0.066 R)
• M22: 27,948,921 km (0.118 R)
• M23: 28,547,014 km (0.111 R)
• M24: 32,842,567 km (0.032 R)
• M25: 33,508,577 km (0.082 R)
• M26: 37,694,624 km (0.111 R)
• M27: 41,438,909 km (0.115 R)
• M28: 43,640,392 km (0.057 R)
• M29: 44,445,079 km (0.108 R)
• M30: 45,918,468 km (0.088 R)
• M31: 49,656,620 km (0.117 R)
• M32: 53,776,395 km (0.108 R)
• M33: 56,392,413 km (0.094 R)
• M34: 57,924,744 km (0.059 R)
• M35: 60,473,742 km (0.073 R)
• M36: 68,135,846 km (0.077 R)
• M37: 75,724,497 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.8

Radius: 6.7

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.31 AU - 10.27 AU

Year: 21144 Days

Day: 18.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,263,560 km

• M1: 83,326 km (0.092 R)
• M2: 546,331 km (0.091 R)
• M3: 971,788 km (0.039 R)
• M4: 1,316,611 km (0.047 R)
• M5: 1,839,306 km (0.081 R)
• M6: 2,233,496 km (0.091 R)
• M7: 4,012,215 km (0.119 R)
• M8: 4,426,601 km (0.049 R)
• M9: 7,105,899 km (0.113 R)
• M10: 7,535,694 km (0.043 R)
• M11: 9,328,774 km (0.061 R)
• M12: 9,739,569 km (0.117 R)
• M13: 10,002,413 km (0.101 R)
• M14: 14,064,294 km (0.103 R)
• M15: 15,299,225 km (0.088 R)
• M16: 15,511,803 km (0.12 R)
• M17: 17,361,431 km (0.067 R)
• M18: 19,188,470 km (0.071 R)
• M19: 23,595,324 km (0.063 R)
• M20: 24,940,359 km (0.089 R)
• M21: 30,608,173 km (0.044 R)
• M22: 35,817,171 km (0.088 R)
• M23: 40,766,317 km (0.085 R)
• M24: 41,038,735 km (0.05 R)
• M25: 41,725,090 km (0.101 R)
• M26: 44,547,404 km (0.043 R)
• M27: 50,883,173 km (0.095 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: 250 - 12,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit