🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.3

Radius: 12.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.56 AU - 0.78 AU

Year: 379 Days

Day: 7.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 61,488,189 km

• M1: 160,519 km (0.102 R)
• M2: 602,131 km (0.096 R)
• M3: 1,236,426 km (0.119 R)
• M4: 2,067,891 km (0.064 R)
• M5: 3,762,686 km (0.098 R)
• M6: 4,196,519 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.9

Radius: 8.4

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.96 AU - 1 AU

Year: 670 Days

Day: 5.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,488,189 km

• M1: 104,419 km (0.066 R)
• M2: 397,631 km (0.117 R)
• M3: 755,918 km (0.076 R)
• M4: 1,040,603 km (0.084 R)
• M5: 1,773,782 km (0.105 R)
• M6: 2,084,048 km (0.052 R)
• M7: 2,392,369 km (0.065 R)
• M8: 3,181,947 km (0.112 R)
• M9: 3,785,125 km (0.073 R)
• M10: 4,289,569 km (0.033 R)
• M11: 4,745,992 km (0.091 R)
• M12: 5,415,593 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.2

Radius: 10.5

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.06 AU - 1.12 AU

Year: 786 Days

Day: 12.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,488,189 km

• M1: 130,599 km (0.101 R)
• M2: 467,793 km (0.086 R)
• M3: 801,396 km (0.077 R)
• M4: 1,167,013 km (0.119 R)
• M5: 1,498,971 km (0.104 R)
• M6: 1,885,980 km (0.054 R)
• M7: 2,222,276 km (0.091 R)
• M8: 3,177,309 km (0.071 R)
• M9: 4,203,700 km (0.111 R)
• M10: 4,608,512 km (0.075 R)
• M11: 4,947,351 km (0.075 R)
• M12: 6,256,333 km (0.098 R)
• M13: 7,416,464 km (0.105 R)
• M14: 8,265,881 km (0.116 R)
• M15: 8,795,158 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.4

Radius: 8.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.13 AU - 1.41 AU

Year: 988 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,488,189 km

• M1: 109,506 km (0.091 R)
• M2: 654,191 km (0.111 R)
• M3: 1,107,473 km (0.089 R)
• M4: 1,445,564 km (0.117 R)
• M5: 1,852,620 km (0.108 R)
• M6: 2,140,147 km (0.1 R)
• M7: 2,520,724 km (0.104 R)
• M8: 3,883,411 km (0.069 R)
• M9: 5,302,048 km (0.054 R)
• M10: 6,375,263 km (0.106 R)
• M11: 6,826,001 km (0.11 R)
• M12: 7,210,468 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.2

Radius: 8.4

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.34 AU - 2.92 AU

Year: 2944 Days

Day: 12.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,488,189 km

• M1: 104,419 km (0.038 R)
• M2: 489,185 km (0.065 R)
• M3: 781,499 km (0.096 R)
• M4: 1,111,662 km (0.07 R)
• M5: 1,475,185 km (0.118 R)
• M6: 1,812,977 km (0.095 R)
• M7: 2,616,916 km (0.117 R)
• M8: 3,388,541 km (0.094 R)
• M9: 3,714,216 km (0.082 R)
• M10: 4,221,802 km (0.1 R)
• M11: 4,513,817 km (0.075 R)
• M12: 4,864,025 km (0.116 R)
• M13: 5,594,512 km (0.043 R)
• M14: 7,540,929 km (0.092 R)
• M15: 8,419,817 km (0.102 R)
• M16: 10,046,395 km (0.071 R)
• M17: 10,759,827 km (0.115 R)
• M18: 12,669,593 km (0.111 R)
• M19: 13,457,376 km (0.117 R)
• M20: 14,000,416 km (0.085 R)
• M21: 15,130,478 km (0.107 R)
• M22: 16,067,260 km (0.12 R)
• M23: 17,624,424 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.5

Radius: 10

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.31 AU - 3.27 AU

Year: 3217 Days

Day: 12.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 61,488,189 km

• M1: 125,064 km (0.111 R)
• M2: 589,416 km (0.081 R)
• M3: 1,040,752 km (0.114 R)
• M4: 1,500,167 km (0.052 R)
• M5: 1,917,546 km (0.117 R)
• M6: 2,473,601 km (0.093 R)
• M7: 2,798,677 km (0.078 R)
• M8: 3,283,224 km (0.061 R)
• M9: 3,994,114 km (0.097 R)
• M10: 4,779,802 km (0.103 R)
• M11: 5,860,347 km (0.089 R)
• M12: 7,096,474 km (0.048 R)
• M13: 7,793,151 km (0.083 R)
• M14: 11,349,542 km (0.111 R)
• M15: 11,887,645 km (0.088 R)
• M16: 12,209,281 km (0.101 R)
• M17: 13,405,764 km (0.1 R)
• M18: 13,754,327 km (0.108 R)
• M19: 15,102,503 km (0.092 R)
• M20: 15,808,755 km (0.104 R)
• M21: 16,995,964 km (0.107 R)
• M22: 18,608,330 km (0.079 R)
• M23: 20,780,790 km (0.092 R)
• M24: 22,975,091 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.3

Radius: 14.9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.48 AU - 4.72 AU

Year: 5730 Days

Day: 14.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,488,189 km

• M1: 185,501 km (0.089 R)
• M2: 743,501 km (0.117 R)
• M3: 1,453,792 km (0.062 R)
• M4: 2,513,843 km (0.079 R)
• M5: 4,761,102 km (0.073 R)
• M6: 5,764,006 km (0.073 R)
• M7: 6,508,106 km (0.064 R)
• M8: 8,752,672 km (0.108 R)
• M9: 9,342,088 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 816.5

Radius: 5.3

Gravity: 29.07 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 5.73 AU - 8.65 AU

Year: 13308 Days

Day: 21.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,488,189 km

• M1: 73,602 km (0.09 R)
• M2: 285,882 km (0.11 R)
• M3: 702,212 km (0.037 R)
• M4: 883,525 km (0.052 R)
• M5: 1,563,896 km (0.09 R)
• M6: 2,154,957 km (0.08 R)
• M7: 2,654,465 km (0.071 R)
• M8: 2,955,605 km (0.093 R)
• M9: 3,202,442 km (0.08 R)
• M10: 3,909,142 km (0.112 R)
• M11: 4,176,473 km (0.116 R)
• M12: 4,519,800 km (0.103 R)
• M13: 5,737,976 km (0.049 R)
• M14: 6,483,721 km (0.075 R)
• M15: 7,836,236 km (0.11 R)
• M16: 8,504,639 km (0.118 R)
• M17: 9,314,263 km (0.103 R)
• M18: 10,794,982 km (0.071 R)
• M19: 13,333,060 km (0.091 R)
• M20: 14,145,227 km (0.119 R)
• M21: 15,792,898 km (0.063 R)
• M22: 16,934,030 km (0.044 R)
• M23: 27,564,455 km (0.103 R)
• M24: 30,349,518 km (0.06 R)
• M25: 30,928,163 km (0.103 R)
• M26: 46,352,003 km (0.089 R)
• M27: 46,811,268 km (0.086 R)
• M28: 58,765,484 km (0.032 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 12,256 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit