🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 15

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.43 AU - 0.71 AU

Year: 302 Days

Day: 6.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 81,838,814 km

• M1: 186,549 km (0.066 R)
• M2: 773,421 km (0.077 R)
• M3: 1,530,985 km (0.11 R)
• M4: 2,448,020 km (0.073 R)
• M5: 2,968,171 km (0.062 R)
• M6: 3,452,569 km (0.072 R)
• M7: 4,235,714 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 587.8

Radius: 9.2

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.54 AU - 0.76 AU

Year: 368 Days

Day: 6 Hours

Environment

Temp: -161 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,838,814 km

• M1: 114,442 km (0.099 R)
• M2: 459,116 km (0.097 R)
• M3: 815,458 km (0.102 R)
• M4: 1,461,571 km (0.098 R)
• M5: 2,079,261 km (0.107 R)
• M6: 2,544,211 km (0.087 R)
• M7: 3,683,249 km (0.063 R)
• M8: 4,065,771 km (0.066 R)
• M9: 4,379,926 km (0.12 R)
• M10: 4,724,600 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809.9

Radius: 11.9

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.13 AU - 1.23 AU

Year: 901 Days

Day: 6.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,838,814 km

• M1: 147,952 km (0.08 R)
• M2: 553,063 km (0.058 R)
• M3: 924,066 km (0.107 R)
• M4: 1,685,220 km (0.1 R)
• M5: 2,168,122 km (0.108 R)
• M6: 3,020,979 km (0.073 R)
• M7: 3,474,560 km (0.09 R)
• M8: 4,069,361 km (0.099 R)
• M9: 4,985,499 km (0.074 R)
• M10: 5,908,817 km (0.105 R)
• M11: 6,291,338 km (0.103 R)
• M12: 6,942,538 km (0.117 R)
• M13: 8,248,827 km (0.066 R)
• M14: 8,754,916 km (0.1 R)
• M15: 9,366,921 km (0.1 R)
• M16: 10,007,050 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.4

Radius: 11.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.11 AU - 1.41 AU

Year: 994 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,838,814 km

• M1: 149,747 km (0.098 R)
• M2: 738,864 km (0.081 R)
• M3: 1,479,373 km (0.084 R)
• M4: 1,844,392 km (0.118 R)
• M5: 2,208,663 km (0.086 R)
• M6: 3,022,027 km (0.083 R)
• M7: 3,534,250 km (0.108 R)
• M8: 4,025,380 km (0.077 R)
• M9: 5,504,005 km (0.026 R)
• M10: 6,166,424 km (0.085 R)
• M11: 6,747,313 km (0.111 R)
• M12: 7,200,894 km (0.101 R)
• M13: 8,711,682 km (0.092 R)
• M14: 9,277,910 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.2

Radius: 13.1

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.26 AU - 1.26 AU

Year: 994 Days

Day: 6.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,838,814 km

• M1: 163,211 km (0.064 R)
• M2: 583,880 km (0.064 R)
• M3: 1,077,105 km (0.114 R)
• M4: 1,784,852 km (0.116 R)
• M5: 3,186,135 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.6

Radius: 12.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.71 AU - 1.85 AU

Year: 1669 Days

Day: 9.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,838,814 km

• M1: 150,495 km (0.094 R)
• M2: 988,094 km (0.094 R)
• M3: 1,503,010 km (0.038 R)
• M4: 2,469,562 km (0.06 R)
• M5: 3,136,020 km (0.079 R)
• M6: 3,759,694 km (0.065 R)
• M7: 4,176,473 km (0.088 R)
• M8: 4,808,076 km (0.047 R)
• M9: 5,322,692 km (0.111 R)
• M10: 6,746,116 km (0.036 R)
• M11: 7,731,068 km (0.09 R)
• M12: 8,469,932 km (0.091 R)
• M13: 9,320,247 km (0.036 R)
• M14: 11,227,470 km (0.096 R)
• M15: 12,648,799 km (0.075 R)
• M16: 14,491,396 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 13.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.57 AU - 2.31 AU

Year: 1899 Days

Day: 13.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 138.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,838,814 km

• M1: 168,298 km (0.087 R)
• M2: 710,291 km (0.032 R)
• M3: 1,284,447 km (0.112 R)
• M4: 1,799,962 km (0.082 R)
• M5: 2,506,064 km (0.078 R)
• M6: 4,120,673 km (0.11 R)
• M7: 4,868,064 km (0.11 R)
• M8: 5,427,261 km (0.115 R)
• M9: 5,913,005 km (0.051 R)
• M10: 6,633,768 km (0.114 R)

Asteroid Belt

Center: 2.25 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.6

Radius: 13.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.38 AU - 2.74 AU

Year: 2879 Days

Day: 10.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,838,814 km

• M1: 170,542 km (0.116 R)
• M2: 658,829 km (0.042 R)
• M3: 1,103,135 km (0.04 R)
• M4: 1,569,730 km (0.115 R)
• M5: 1,998,029 km (0.091 R)
• M6: 2,635,017 km (0.102 R)
• M7: 3,920,661 km (0.096 R)
• M8: 4,362,274 km (0.107 R)
• M9: 5,443,119 km (0.093 R)
• M10: 6,365,689 km (0.068 R)
• M11: 7,785,971 km (0.092 R)
• M12: 8,228,182 km (0.119 R)
• M13: 9,478,820 km (0.119 R)
• M14: 10,583,002 km (0.12 R)
• M15: 11,445,883 km (0.119 R)
• M16: 13,626,870 km (0.06 R)
• M17: 14,984,022 km (0.104 R)
• M18: 16,687,942 km (0.086 R)
• M19: 18,573,324 km (0.097 R)
• M20: 19,023,613 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 893.5

Radius: 3.1

Gravity: 92.98 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.85 AU - 8.05 AU

Year: 12879 Days

Day: 16.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,838,814 km

• M1: 38,596 km (0.041 R)
• M2: 223,499 km (0.077 R)
• M3: 337,642 km (0.115 R)
• M4: 782,546 km (0.052 R)
• M5: 895,044 km (0.097 R)
• M6: 1,102,536 km (0.057 R)
• M7: 1,217,876 km (0.105 R)
• M8: 1,902,287 km (0.12 R)
• M9: 2,473,750 km (0.086 R)
• M10: 4,003,837 km (0.087 R)
• M11: 5,535,121 km (0.026 R)
• M12: 5,951,901 km (0.09 R)
• M13: 6,268,001 km (0.043 R)
• M14: 7,106,796 km (0.103 R)
• M15: 7,417,362 km (0.048 R)
• M16: 7,923,451 km (0.097 R)
• M17: 9,210,442 km (0.082 R)
• M18: 10,459,434 km (0.075 R)
• M19: 14,310,084 km (0.089 R)
• M20: 17,369,510 km (0.105 R)
• M21: 17,528,981 km (0.086 R)
• M22: 18,341,148 km (0.111 R)
• M23: 18,924,280 km (0.061 R)
• M24: 25,246,885 km (0.115 R)
• M25: 28,104,054 km (0.068 R)
• M26: 29,102,321 km (0.101 R)
• M27: 29,894,890 km (0.082 R)
• M28: 30,469,795 km (0.086 R)
• M29: 36,238,439 km (0.099 R)
• M30: 40,137,857 km (0.063 R)
• M31: 42,548,776 km (0.05 R)
• M32: 45,506,775 km (0.048 R)
• M33: 46,573,557 km (0.104 R)
• M34: 46,881,430 km (0.067 R)
• M35: 47,813,125 km (0.081 R)
• M36: 48,283,461 km (0.055 R)
• M37: 51,993,039 km (0.115 R)
• M38: 57,287,158 km (0.048 R)
• M39: 58,709,535 km (0.086 R)
• M40: 59,248,835 km (0.081 R)
• M41: 61,254,793 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.4

Radius: 6.6

Gravity: 22.62 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 7.41 AU - 10.35 AU

Year: 18601 Days

Day: 18.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,838,814 km

• M1: 82,428 km (0.087 R)
• M2: 386,561 km (0.045 R)
• M3: 642,822 km (0.056 R)
• M4: 1,299,258 km (0.098 R)
• M5: 1,569,282 km (0.117 R)
• M6: 2,223,922 km (0.047 R)
• M7: 2,761,128 km (0.067 R)
• M8: 3,073,937 km (0.104 R)
• M9: 3,352,488 km (0.102 R)
• M10: 4,568,270 km (0.087 R)
• M11: 5,275,419 km (0.066 R)
• M12: 6,313,928 km (0.086 R)
• M13: 7,631,885 km (0.095 R)
• M14: 9,067,277 km (0.068 R)
• M15: 14,363,041 km (0.106 R)
• M16: 14,906,381 km (0.041 R)
• M17: 16,788,023 km (0.068 R)
• M18: 18,457,385 km (0.113 R)
• M19: 20,427,888 km (0.109 R)
• M20: 30,852,616 km (0.104 R)
• M21: 31,366,934 km (0.114 R)
• M22: 36,540,925 km (0.057 R)
• M23: 41,628,300 km (0.099 R)
• M24: 42,098,636 km (0.105 R)
• M25: 46,829,519 km (0.055 R)
• M26: 48,022,263 km (0.055 R)
• M27: 50,824,381 km (0.028 R)
• M28: 55,040,647 km (0.109 R)
• M29: 69,736,543 km (0.046 R)
• M30: 79,892,294 km (0.122 R)
• M31: 80,133,895 km (0.21 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 289 - 17,407 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit