🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.9

Radius: 8.3

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.41 AU - 0.69 AU

Year: 272 Days

Day: 7.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,904,501 km

• M1: 103,223 km (0.088 R)
• M2: 408,402 km (0.089 R)
• M3: 709,842 km (0.081 R)
• M4: 992,283 km (0.105 R)
• M5: 1,273,676 km (0.106 R)
• M6: 1,951,205 km (0.064 R)
• M7: 2,968,471 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509

Radius: 10

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.57 AU - 0.93 AU

Year: 433 Days

Day: 5.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,904,501 km

• M1: 124,316 km (0.103 R)
• M2: 454,030 km (0.104 R)
• M3: 851,361 km (0.047 R)
• M4: 1,614,460 km (0.04 R)
• M5: 1,957,039 km (0.076 R)
• M6: 2,615,868 km (0.104 R)
• M7: 3,158,310 km (0.119 R)
• M8: 3,485,930 km (0.033 R)
• M9: 3,848,854 km (0.108 R)
• M10: 4,751,677 km (0.08 R)
• M11: 5,323,291 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.1

Radius: 11.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.14 AU - 1.74 AU

Year: 1152 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,904,501 km

• M1: 144,512 km (0.082 R)
• M2: 529,726 km (0.116 R)
• M3: 1,098,796 km (0.074 R)
• M4: 1,872,666 km (0.116 R)
• M5: 2,668,228 km (0.091 R)
• M6: 3,102,211 km (0.118 R)
• M7: 3,866,207 km (0.113 R)
• M8: 5,474,384 km (0.034 R)
• M9: 5,895,054 km (0.104 R)
• M10: 7,489,169 km (0.068 R)
• M11: 8,607,413 km (0.1 R)
• M12: 9,353,457 km (0.098 R)
• M13: 10,456,891 km (0.053 R)
• M14: 10,843,452 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.5

Radius: 14.3

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.29 AU - 1.67 AU

Year: 1201 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,904,501 km

• M1: 177,872 km (0.098 R)
• M2: 696,228 km (0.051 R)
• M3: 1,154,596 km (0.077 R)
• M4: 1,695,542 km (0.05 R)
• M5: 2,192,357 km (0.068 R)
• M6: 2,710,564 km (0.087 R)
• M7: 3,325,261 km (0.066 R)
• M8: 4,082,825 km (0.114 R)
• M9: 4,668,501 km (0.114 R)
• M10: 5,769,990 km (0.112 R)
• M11: 7,013,747 km (0.114 R)
• M12: 7,699,354 km (0.106 R)
• M13: 8,825,826 km (0.093 R)
• M14: 10,603,647 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.3

Radius: 8.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.78 AU - 5.34 AU

Year: 6493 Days

Day: 8.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,904,501 km

• M1: 110,852 km (0.081 R)
• M2: 603,927 km (0.114 R)
• M3: 1,140,684 km (0.096 R)
• M4: 2,309,193 km (0.097 R)
• M5: 2,791,945 km (0.106 R)
• M6: 5,716,733 km (0.085 R)
• M7: 9,279,556 km (0.071 R)
• M8: 11,984,734 km (0.057 R)
• M9: 14,192,350 km (0.03 R)
• M10: 16,607,009 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.8

Radius: 13.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.2 AU - 5.74 AU

Year: 8531 Days

Day: 10.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,904,501 km

• M1: 232,924 km (0.077 R)
• M2: 1,545,944 km (0.062 R)
• M3: 2,695,006 km (0.117 R)
• M4: 4,466,394 km (0.092 R)
• M5: 6,637,807 km (0.088 R)
• M6: 7,530,906 km (0.097 R)
• M7: 9,477,923 km (0.102 R)
• M8: 10,779,424 km (0.049 R)
• M9: 24,135,971 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.2

Radius: 4.9

Gravity: 18 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 8.63 AU - 12.05 AU

Year: 22172 Days

Day: 19.6 Hours

Environment

Temp: -245 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,904,501 km

• M1: 74,500 km (0.078 R)
• M2: 232,774 km (0.091 R)
• M3: 392,096 km (0.109 R)
• M4: 774,618 km (0.113 R)
• M5: 1,014,423 km (0.062 R)
• M6: 1,466,508 km (0.101 R)
• M7: 1,729,351 km (0.099 R)
• M8: 2,503,072 km (0.099 R)
• M9: 3,803,376 km (0.075 R)
• M10: 4,109,154 km (0.116 R)
• M11: 4,530,871 km (0.103 R)
• M12: 4,981,011 km (0.091 R)
• M13: 5,809,933 km (0.117 R)
• M14: 8,686,999 km (0.05 R)
• M15: 8,843,927 km (0.043 R)
• M16: 9,055,907 km (0.106 R)
• M17: 9,380,385 km (0.107 R)
• M18: 9,712,492 km (0.087 R)
• M19: 11,058,723 km (0.041 R)
• M20: 11,429,427 km (0.113 R)
• M21: 12,130,443 km (0.12 R)
• M22: 12,859,732 km (0.114 R)
• M23: 14,332,523 km (0.032 R)
• M24: 20,786,325 km (0.074 R)
• M25: 21,541,046 km (0.099 R)
• M26: 22,022,003 km (0.114 R)
• M27: 22,313,869 km (0.095 R)
• M28: 23,305,703 km (0.059 R)
• M29: 29,173,978 km (0.114 R)
• M30: 32,071,240 km (0.04 R)
• M31: 33,461,005 km (0.115 R)
• M32: 35,022,208 km (0.086 R)
• M33: 54,270,068 km (0.105 R)
• M34: 54,624,765 km (0.038 R)
• M35: 57,151,024 km (0.085 R)
• M36: 57,702,442 km (0.056 R)
• M37: 63,411,845 km (0.065 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: 221 - 13,655 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit