🌌 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: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.5

Radius: 12.9

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.73 AU - 0.99 AU

Year: 541 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,242,406 km

• M1: 160,519 km (0.037 R)
• M2: 781,798 km (0.115 R)
• M3: 1,249,890 km (0.083 R)
• M4: 2,889,184 km (0.039 R)
• M5: 3,656,172 km (0.059 R)
• M6: 4,196,220 km (0.089 R)
• M7: 4,601,032 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.4

Radius: 10.3

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.86 AU - 0.94 AU

Year: 579 Days

Day: 12 Hours

Environment

Temp: -173 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,242,406 km

• M1: 128,205 km (0.107 R)
• M2: 484,697 km (0.087 R)
• M3: 839,244 km (0.079 R)
• M4: 1,252,882 km (0.073 R)
• M5: 1,660,836 km (0.056 R)
• M6: 2,125,786 km (0.068 R)
• M7: 2,603,751 km (0.109 R)
• M8: 3,225,031 km (0.037 R)
• M9: 3,593,640 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.6

Radius: 11.9

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.02 AU - 1.08 AU

Year: 730 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,242,406 km

• M1: 147,952 km (0.119 R)
• M2: 683,363 km (0.109 R)
• M3: 1,183,918 km (0.07 R)
• M4: 1,589,477 km (0.096 R)
• M5: 2,834,730 km (0.108 R)
• M6: 3,316,136 km (0.093 R)
• M7: 4,734,174 km (0.119 R)
• M8: 5,448,055 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.8

Radius: 13.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.94 AU - 1.27 AU

Year: 782 Days

Day: 13.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,242,406 km

• M1: 169,195 km (0.084 R)
• M2: 659,577 km (0.081 R)
• M3: 1,291,927 km (0.084 R)
• M4: 1,724,714 km (0.036 R)
• M5: 2,316,373 km (0.051 R)
• M6: 2,847,147 km (0.092 R)
• M7: 3,435,964 km (0.115 R)
• M8: 4,015,506 km (0.076 R)
• M9: 4,702,310 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.7

Radius: 9.6

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.03 AU - 1.65 AU

Year: 1052 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,242,406 km

• M1: 119,828 km (0.052 R)
• M2: 608,863 km (0.117 R)
• M3: 1,156,691 km (0.105 R)
• M4: 1,477,429 km (0.11 R)
• M5: 2,385,338 km (0.093 R)
• M6: 3,065,111 km (0.098 R)
• M7: 3,519,440 km (0.115 R)
• M8: 4,346,716 km (0.057 R)
• M9: 4,806,580 km (0.096 R)
• M10: 6,291,488 km (0.074 R)
• M11: 6,880,754 km (0.071 R)
• M12: 7,506,372 km (0.111 R)
• M13: 9,951,550 km (0.089 R)
• M14: 11,320,071 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.7

Radius: 11

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.44 AU - 1.68 AU

Year: 1322 Days

Day: 12.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,242,406 km

• M1: 137,780 km (0.084 R)
• M2: 548,276 km (0.081 R)
• M3: 990,188 km (0.101 R)
• M4: 1,422,676 km (0.12 R)
• M5: 1,886,878 km (0.093 R)
• M6: 2,353,922 km (0.098 R)
• M7: 3,038,632 km (0.107 R)
• M8: 3,381,809 km (0.109 R)
• M9: 4,164,805 km (0.072 R)
• M10: 4,571,113 km (0.08 R)
• M11: 5,209,297 km (0.105 R)
• M12: 5,883,385 km (0.112 R)
• M13: 7,485,279 km (0.1 R)
• M14: 7,892,933 km (0.118 R)
• M15: 8,517,654 km (0.105 R)
• M16: 12,000,741 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.6

Radius: 12

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.24 AU - 3.44 AU

Year: 3246 Days

Day: 13.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,242,406 km

• M1: 156,479 km (0.118 R)
• M2: 617,989 km (0.117 R)
• M3: 995,125 km (0.102 R)
• M4: 1,678,039 km (0.11 R)
• M5: 3,312,546 km (0.097 R)
• M6: 3,946,541 km (0.052 R)
• M7: 4,953,784 km (0.064 R)
• M8: 5,889,668 km (0.095 R)
• M9: 6,277,875 km (0.072 R)
• M10: 7,202,689 km (0.047 R)
• M11: 7,774,302 km (0.112 R)
• M12: 10,001,964 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.2

Radius: 4.7

Gravity: 19.57 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.67 AU - 10.41 AU

Year: 18435 Days

Day: 15.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 61,242,406 km

• M1: 58,493 km (0.095 R)
• M2: 266,883 km (0.068 R)
• M3: 475,422 km (0.078 R)
• M4: 891,005 km (0.098 R)
• M5: 1,046,736 km (0.1 R)
• M6: 1,287,439 km (0.118 R)
• M7: 1,443,320 km (0.098 R)
• M8: 1,611,767 km (0.095 R)
• M9: 1,862,793 km (0.057 R)
• M10: 3,237,298 km (0.119 R)
• M11: 3,893,135 km (0.08 R)
• M12: 6,267,253 km (0.108 R)
• M13: 6,930,421 km (0.082 R)
• M14: 8,249,874 km (0.115 R)
• M15: 11,859,371 km (0.026 R)
• M16: 14,282,707 km (0.079 R)
• M17: 18,631,068 km (0.115 R)
• M18: 20,699,409 km (0.097 R)
• M19: 21,239,307 km (0.113 R)
• M20: 21,512,772 km (0.068 R)
• M21: 22,253,581 km (0.054 R)
• M22: 24,477,952 km (0.109 R)
• M23: 24,980,451 km (0.063 R)
• M24: 25,285,182 km (0.116 R)
• M25: 25,798,602 km (0.087 R)
• M26: 26,005,944 km (0.044 R)
• M27: 27,813,087 km (0.082 R)
• M28: 28,914,426 km (0.068 R)
• M29: 30,389,012 km (0.085 R)
• M30: 33,487,334 km (0.101 R)
• M31: 38,384,719 km (0.084 R)
• M32: 44,181,188 km (0.097 R)
• M33: 44,776,139 km (0.104 R)
• M34: 46,134,188 km (0.091 R)
• M35: 50,372,595 km (0.025 R)
• M36: 52,835,874 km (0.12 R)
• M37: 55,378,289 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.4

Radius: 6.9

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 9.49 AU - 11.97 AU

Year: 23839 Days

Day: 24.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,242,406 km

• M1: 91,703 km (0.108 R)
• M2: 375,790 km (0.062 R)
• M3: 1,041,351 km (0.054 R)
• M4: 1,442,722 km (0.092 R)
• M5: 2,468,365 km (0.064 R)
• M6: 4,552,413 km (0.071 R)
• M7: 7,548,409 km (0.045 R)
• M8: 9,769,339 km (0.068 R)
• M9: 10,040,411 km (0.102 R)
• M10: 11,773,053 km (0.071 R)
• M11: 13,561,645 km (0.048 R)
• M12: 14,802,709 km (0.081 R)
• M13: 15,160,398 km (0.089 R)
• M14: 15,967,778 km (0.085 R)
• M15: 16,880,923 km (0.045 R)
• M16: 24,072,841 km (0.114 R)
• M17: 25,886,266 km (0.109 R)
• M18: 33,314,548 km (0.074 R)
• M19: 33,805,528 km (0.072 R)
• M20: 36,463,135 km (0.099 R)
• M21: 39,393,308 km (0.09 R)
• M22: 41,337,482 km (0.054 R)
• M23: 43,054,118 km (0.116 R)
• M24: 48,960,840 km (0.089 R)
• M25: 56,943,981 km (0.059 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 457 - 15,355 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit