🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.1

Radius: 12.4

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.68 AU - 1.02 AU

Year: 506 Days

Day: 7.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,927,107 km

• M1: 154,235 km (0.119 R)
• M2: 583,731 km (0.038 R)
• M3: 1,053,468 km (0.059 R)
• M4: 1,629,270 km (0.06 R)
• M5: 2,448,768 km (0.104 R)
• M6: 2,897,561 km (0.075 R)
• M7: 3,476,056 km (0.102 R)
• M8: 5,477,676 km (0.071 R)
• M9: 5,974,341 km (0.09 R)
• M10: 6,520,223 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.2

Radius: 8.6

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.93 AU - 2.39 AU

Year: 2050 Days

Day: 14.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,927,107 km

• M1: 106,962 km (0.085 R)
• M2: 398,080 km (0.119 R)
• M3: 679,324 km (0.074 R)
• M4: 1,245,552 km (0.095 R)
• M5: 1,586,785 km (0.057 R)
• M6: 1,865,336 km (0.114 R)
• M7: 2,257,282 km (0.104 R)
• M8: 2,664,039 km (0.115 R)
• M9: 3,739,648 km (0.101 R)
• M10: 4,044,528 km (0.109 R)
• M11: 4,685,405 km (0.076 R)
• M12: 4,960,067 km (0.081 R)
• M13: 5,672,153 km (0.115 R)
• M14: 6,742,226 km (0.081 R)
• M15: 7,429,778 km (0.049 R)
• M16: 7,831,598 km (0.112 R)
• M17: 9,004,146 km (0.06 R)
• M18: 9,368,567 km (0.099 R)
• M19: 10,454,498 km (0.098 R)
• M20: 12,164,252 km (0.098 R)
• M21: 12,534,955 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 616.2

Radius: 12.1

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.19 AU - 2.27 AU

Year: 2150 Days

Day: 14.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 84,927,107 km

• M1: 162,463 km (0.099 R)
• M2: 551,867 km (0.085 R)
• M3: 1,195,885 km (0.061 R)
• M4: 1,640,041 km (0.103 R)
• M5: 2,257,282 km (0.111 R)
• M6: 3,669,636 km (0.085 R)
• M7: 5,256,720 km (0.106 R)
• M8: 6,292,834 km (0.104 R)
• M9: 7,093,033 km (0.107 R)
• M10: 7,870,194 km (0.118 R)
• M11: 11,909,038 km (0.068 R)
• M12: 12,798,547 km (0.104 R)
• M13: 13,430,149 km (0.025 R)
• M14: 15,591,838 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.6

Radius: 11.1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.26 AU - 2.76 AU

Year: 2568 Days

Day: 7.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,927,107 km

• M1: 138,378 km (0.118 R)
• M2: 484,548 km (0.071 R)
• M3: 959,371 km (0.049 R)
• M4: 1,359,695 km (0.106 R)
• M5: 1,806,544 km (0.078 R)
• M6: 2,844,903 km (0.086 R)
• M7: 3,451,672 km (0.067 R)
• M8: 3,961,800 km (0.074 R)
• M9: 4,557,350 km (0.109 R)
• M10: 4,942,714 km (0.085 R)
• M11: 5,633,856 km (0.053 R)
• M12: 6,298,669 km (0.081 R)
• M13: 7,657,017 km (0.112 R)
• M14: 8,500,450 km (0.096 R)
• M15: 9,522,204 km (0.112 R)
• M16: 10,032,332 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.7

Radius: 14.8

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.54 AU - 2.74 AU

Year: 2770 Days

Day: 6.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,927,107 km

• M1: 184,155 km (0.118 R)
• M2: 1,142,329 km (0.098 R)
• M3: 2,024,209 km (0.118 R)
• M4: 3,060,174 km (0.113 R)
• M5: 3,840,776 km (0.114 R)
• M6: 5,336,754 km (0.113 R)
• M7: 5,849,277 km (0.096 R)
• M8: 8,422,659 km (0.036 R)
• M9: 9,516,968 km (0.039 R)
• M10: 11,258,287 km (0.11 R)
• M11: 15,738,893 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.7

Radius: 14.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.48 AU - 4.8 AU

Year: 5439 Days

Day: 8.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,927,107 km

• M1: 188,942 km (0.078 R)
• M2: 739,313 km (0.111 R)
• M3: 1,206,956 km (0.041 R)
• M4: 1,831,078 km (0.096 R)
• M5: 2,456,397 km (0.084 R)
• M6: 3,299,979 km (0.096 R)
• M7: 3,986,783 km (0.029 R)
• M8: 5,762,809 km (0.076 R)
• M9: 6,573,330 km (0.03 R)
• M10: 7,155,117 km (0.089 R)
• M11: 7,631,137 km (0.114 R)
• M12: 8,348,160 km (0.116 R)
• M13: 9,031,523 km (0.086 R)
• M14: 11,217,447 km (0.059 R)
• M15: 12,050,707 km (0.087 R)
• M16: 12,677,821 km (0.116 R)
• M17: 13,788,585 km (0.057 R)
• M18: 14,261,464 km (0.099 R)
• M19: 16,378,424 km (0.057 R)
• M20: 20,136,621 km (0.08 R)
• M21: 27,124,787 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 11.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.86 AU - 4.82 AU

Year: 5838 Days

Day: 10.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,927,107 km

• M1: 139,276 km (0.112 R)
• M2: 1,175,839 km (0.083 R)
• M3: 1,846,636 km (0.111 R)
• M4: 2,257,881 km (0.116 R)
• M5: 3,490,118 km (0.082 R)
• M6: 3,981,697 km (0.108 R)
• M7: 7,064,011 km (0.038 R)
• M8: 10,136,602 km (0.101 R)
• M9: 10,510,148 km (0.1 R)
• M10: 13,389,009 km (0.059 R)
• M11: 13,839,149 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 987.2

Radius: 6.8

Gravity: 21.35 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 7.43 AU - 8.65 AU

Year: 14720 Days

Day: 23.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,927,107 km

• M1: 85,869 km (0.089 R)
• M2: 404,662 km (0.074 R)
• M3: 696,228 km (0.077 R)
• M4: 924,964 km (0.093 R)
• M5: 1,272,330 km (0.111 R)
• M6: 1,936,395 km (0.079 R)
• M7: 2,169,169 km (0.038 R)
• M8: 3,349,347 km (0.114 R)
• M9: 4,077,888 km (0.049 R)
• M10: 4,397,130 km (0.071 R)
• M11: 4,837,098 km (0.058 R)
• M12: 5,609,322 km (0.09 R)
• M13: 6,546,552 km (0.112 R)
• M14: 7,489,617 km (0.079 R)
• M15: 8,317,193 km (0.107 R)
• M16: 8,831,510 km (0.085 R)
• M17: 9,366,921 km (0.094 R)
• M18: 10,152,459 km (0.085 R)
• M19: 11,349,841 km (0.112 R)
• M20: 12,176,967 km (0.071 R)
• M21: 13,249,285 km (0.115 R)
• M22: 13,526,939 km (0.114 R)
• M23: 29,605,568 km (0.099 R)
• M24: 35,377,353 km (0.107 R)
• M25: 35,644,086 km (0.106 R)
• M26: 36,181,442 km (0.043 R)
• M27: 47,446,610 km (0.047 R)
• M28: 48,588,491 km (0.112 R)
• M29: 52,642,444 km (0.088 R)
• M30: 58,205,240 km (0.063 R)
• M31: 59,137,534 km (0.084 R)
• M32: 59,890,610 km (0.089 R)
• M33: 61,608,442 km (0.108 R)
• M34: 65,542,567 km (0.072 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 871.4

Radius: 4

Gravity: 54.46 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.17 AU - 11.15 AU

Year: 20910 Days

Day: 15.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,927,107 km

• M1: 51,462 km (0.042 R)
• M2: 244,892 km (0.081 R)
• M3: 791,672 km (0.102 R)
• M4: 1,440,627 km (0.115 R)
• M5: 2,014,635 km (0.065 R)
• M6: 2,295,879 km (0.094 R)
• M7: 2,779,229 km (0.089 R)
• M8: 2,990,461 km (0.102 R)
• M9: 4,349,109 km (0.114 R)
• M10: 4,490,030 km (0.12 R)
• M11: 7,992,266 km (0.1 R)
• M12: 9,673,148 km (0.118 R)
• M13: 10,851,530 km (0.071 R)
• M14: 16,017,893 km (0.095 R)
• M15: 16,524,880 km (0.057 R)
• M16: 18,109,570 km (0.085 R)
• M17: 18,567,190 km (0.101 R)
• M18: 19,505,468 km (0.105 R)
• M19: 20,376,427 km (0.055 R)
• M20: 21,577,698 km (0.071 R)
• M21: 24,562,774 km (0.084 R)
• M22: 25,922,169 km (0.106 R)
• M23: 39,253,733 km (0.109 R)
• M24: 40,019,375 km (0.043 R)
• M25: 40,795,040 km (0.1 R)
• M26: 41,107,999 km (0.091 R)
• M27: 43,181,874 km (0.054 R)
• M28: 45,324,265 km (0.088 R)
• M29: 49,109,690 km (0.107 R)
• M30: 54,603,522 km (0.046 R)
• M31: 55,174,387 km (0.081 R)
• M32: 57,106,145 km (0.109 R)
• M33: 61,308,648 km (0.101 R)
• M34: 65,071,035 km (0.073 R)
• M35: 68,101,439 km (0.085 R)
• M36: 72,591,918 km (0.078 R)
• M37: 74,675,368 km (0.09 R)
• M38: 82,906,242 km (0.057 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 11,066 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit