🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893

Radius: 9.3

Gravity: 10.32 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.56 AU - 0.86 AU

Year: 406 Days

Day: 13.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,132,997 km

• M1: 115,789 km (0.112 R)
• M2: 456,573 km (0.11 R)
• M3: 769,980 km (0.087 R)
• M4: 1,130,661 km (0.074 R)
• M5: 1,736,233 km (0.059 R)
• M6: 2,779,080 km (0.079 R)
• M7: 3,175,813 km (0.075 R)
• M8: 3,647,944 km (0.095 R)
• M9: 4,138,775 km (0.109 R)
• M10: 5,043,393 km (0.114 R)
• M11: 5,534,224 km (0.109 R)
• M12: 5,914,202 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.5

Radius: 8.4

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.76 AU - 1.18 AU

Year: 648 Days

Day: 10.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,132,997 km

• M1: 105,317 km (0.119 R)
• M2: 432,487 km (0.03 R)
• M3: 805,585 km (0.083 R)
• M4: 1,091,167 km (0.107 R)
• M5: 1,464,264 km (0.076 R)
• M6: 1,967,960 km (0.045 R)
• M7: 2,300,067 km (0.044 R)
• M8: 2,592,382 km (0.111 R)
• M9: 2,961,589 km (0.088 R)
• M10: 3,241,636 km (0.07 R)
• M11: 3,658,865 km (0.118 R)
• M12: 4,297,498 km (0.102 R)
• M13: 5,129,113 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 9.4

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.03 AU - 1.23 AU

Year: 815 Days

Day: 6.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,132,997 km

• M1: 116,836 km (0.109 R)
• M2: 439,369 km (0.097 R)
• M3: 830,717 km (0.095 R)
• M4: 1,208,452 km (0.094 R)
• M5: 1,554,023 km (0.03 R)
• M6: 2,099,157 km (0.077 R)
• M7: 3,099,518 km (0.117 R)
• M8: 3,641,362 km (0.037 R)
• M9: 4,341,330 km (0.049 R)
• M10: 4,655,635 km (0.111 R)
• M11: 5,237,721 km (0.064 R)
• M12: 6,027,597 km (0.103 R)
• M13: 6,697,796 km (0.071 R)
• M14: 7,209,570 km (0.11 R)
• M15: 7,915,971 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.9

Radius: 14.9

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.01 AU - 2.33 AU

Year: 2168 Days

Day: 6.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,132,997 km

• M1: 185,352 km (0.082 R)
• M2: 654,790 km (0.085 R)
• M3: 1,420,133 km (0.089 R)
• M4: 1,940,733 km (0.112 R)
• M5: 2,464,475 km (0.078 R)
• M6: 3,126,745 km (0.08 R)
• M7: 3,889,395 km (0.069 R)
• M8: 4,408,500 km (0.097 R)
• M9: 5,055,660 km (0.075 R)
• M10: 5,521,807 km (0.064 R)
• M11: 6,016,976 km (0.107 R)
• M12: 7,097,073 km (0.094 R)
• M13: 7,849,400 km (0.08 R)
• M14: 9,388,014 km (0.113 R)
• M15: 10,430,113 km (0.073 R)
• M16: 12,475,864 km (0.059 R)
• M17: 13,056,154 km (0.077 R)

Asteroid Belt

Center: 3.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.1

Radius: 12.4

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.32 AU - 6.94 AU

Year: 9061 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 89,132,997 km

• M1: 154,385 km (0.108 R)
• M2: 697,276 km (0.103 R)
• M3: 1,466,358 km (0.1 R)
• M4: 1,879,398 km (0.117 R)
• M5: 3,249,565 km (0.096 R)
• M6: 7,090,640 km (0.082 R)
• M7: 9,171,995 km (0.047 R)
• M8: 9,679,730 km (0.069 R)
• M9: 10,303,853 km (0.092 R)
• M10: 11,421,199 km (0.113 R)
• M11: 11,955,114 km (0.111 R)
• M12: 12,505,634 km (0.055 R)
• M13: 13,480,264 km (0.069 R)
• M14: 15,258,983 km (0.062 R)
• M15: 18,979,781 km (0.103 R)
• M16: 19,653,869 km (0.118 R)
• M17: 20,421,605 km (0.103 R)
• M18: 21,610,310 km (0.101 R)
• M19: 23,607,591 km (0.072 R)
• M20: 26,830,079 km (0.103 R)
• M21: 27,299,667 km (0.075 R)
• M22: 28,158,957 km (0.11 R)
• M23: 29,931,243 km (0.111 R)
• M24: 30,947,461 km (0.078 R)
• M25: 31,672,412 km (0.073 R)
• M26: 35,468,010 km (0.07 R)
• M27: 38,715,181 km (0.073 R)
• M28: 40,780,529 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 312.7

Radius: 3.1

Gravity: 32.54 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 7.18 AU - 7.8 AU

Year: 13903 Days

Day: 23.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,132,997 km

• M1: 51,761 km (0.026 R)
• M2: 184,454 km (0.119 R)
• M3: 2,253,991 km (0.088 R)
• M4: 3,665,447 km (0.112 R)
• M5: 4,807,776 km (0.061 R)
• M6: 6,761,973 km (0.085 R)
• M7: 7,764,877 km (0.081 R)
• M8: 8,236,111 km (0.115 R)
• M9: 8,456,468 km (0.094 R)
• M10: 13,365,523 km (0.081 R)
• M11: 17,762,204 km (0.098 R)
• M12: 20,443,297 km (0.107 R)
• M13: 22,174,892 km (0.12 R)
• M14: 22,773,134 km (0.071 R)
• M15: 26,399,536 km (0.118 R)
• M16: 29,256,706 km (0.034 R)
• M17: 30,183,614 km (0.073 R)
• M18: 33,637,979 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.9

Radius: 7.1

Gravity: 18.82 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.27 AU - 10.79 AU

Year: 21545 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,132,997 km

• M1: 88,263 km (0.107 R)
• M2: 401,072 km (0.072 R)
• M3: 642,972 km (0.108 R)
• M4: 1,010,833 km (0.068 R)
• M5: 2,516,685 km (0.059 R)
• M6: 3,971,973 km (0.103 R)
• M7: 4,598,639 km (0.082 R)
• M8: 5,916,297 km (0.092 R)
• M9: 8,699,116 km (0.056 R)
• M10: 9,099,141 km (0.074 R)
• M11: 9,691,848 km (0.094 R)
• M12: 10,953,855 km (0.086 R)
• M13: 11,218,943 km (0.1 R)
• M14: 12,039,637 km (0.09 R)
• M15: 14,423,479 km (0.106 R)
• M16: 17,552,019 km (0.04 R)
• M17: 18,750,747 km (0.079 R)
• M18: 23,212,653 km (0.068 R)
• M19: 29,851,956 km (0.107 R)
• M20: 31,556,025 km (0.095 R)
• M21: 32,228,468 km (0.113 R)
• M22: 36,317,875 km (0.115 R)
• M23: 41,697,863 km (0.045 R)
• M24: 45,338,178 km (0.086 R)
• M25: 46,712,683 km (0.066 R)
• M26: 47,938,039 km (0.107 R)
• M27: 56,725,717 km (0.055 R)
• M28: 57,919,508 km (0.091 R)
• M29: 63,926,013 km (0.033 R)
• M30: 65,218,538 km (0.109 R)
• M31: 72,407,464 km (0.074 R)
• M32: 73,107,283 km (0.043 R)
• M33: 74,047,356 km (0.117 R)
• M34: 77,401,490 km (0.029 R)
• M35: 84,153,290 km (0.074 R)
• M36: 87,803,927 km (0.207 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: 208 - 17,309 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit