🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.1

Radius: 9.1

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.71 AU - 0.75 AU

Year: 403 Days

Day: 5.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,104,199 km

• M1: 113,545 km (0.084 R)
• M2: 400,922 km (0.087 R)
• M3: 1,086,978 km (0.027 R)
• M4: 1,738,178 km (0.117 R)
• M5: 2,331,034 km (0.093 R)
• M6: 2,899,656 km (0.086 R)
• M7: 3,223,086 km (0.072 R)
• M8: 3,942,951 km (0.11 R)
• M9: 4,298,844 km (0.042 R)
• M10: 4,675,981 km (0.079 R)
• M11: 4,965,453 km (0.112 R)
• M12: 5,480,368 km (0.097 R)
• M13: 5,768,195 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806

Radius: 13.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.3 AU - 3.48 AU

Year: 3172 Days

Day: 11.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,104,199 km

• M1: 172,038 km (0.117 R)
• M2: 612,753 km (0.116 R)
• M3: 1,078,301 km (0.062 R)
• M4: 1,826,141 km (0.08 R)
• M5: 2,609,735 km (0.044 R)
• M6: 3,434,917 km (0.058 R)
• M7: 4,119,925 km (0.057 R)
• M8: 4,870,458 km (0.063 R)
• M9: 5,394,350 km (0.066 R)
• M10: 5,955,790 km (0.107 R)
• M11: 6,556,127 km (0.092 R)
• M12: 7,911,932 km (0.07 R)
• M13: 8,461,555 km (0.112 R)
• M14: 9,221,662 km (0.047 R)
• M15: 11,472,511 km (0.082 R)
• M16: 11,910,085 km (0.115 R)
• M17: 12,358,729 km (0.073 R)
• M18: 13,578,550 km (0.085 R)
• M19: 16,476,560 km (0.074 R)
• M20: 17,375,045 km (0.093 R)
• M21: 20,650,340 km (0.102 R)
• M22: 23,188,418 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.9

Radius: 14

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.69 AU - 3.79 AU

Year: 4670 Days

Day: 6.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,104,199 km

• M1: 174,282 km (0.045 R)
• M2: 644,916 km (0.117 R)
• M3: 1,289,982 km (0.063 R)
• M4: 1,725,312 km (0.095 R)
• M5: 2,400,447 km (0.097 R)
• M6: 3,112,683 km (0.103 R)
• M7: 4,528,776 km (0.073 R)
• M8: 6,123,789 km (0.091 R)
• M9: 6,752,997 km (0.092 R)
• M10: 7,424,991 km (0.097 R)
• M11: 8,252,417 km (0.084 R)
• M12: 9,342,088 km (0.088 R)
• M13: 10,836,421 km (0.093 R)
• M14: 11,806,563 km (0.117 R)
• M15: 13,866,825 km (0.106 R)
• M16: 16,274,752 km (0.102 R)
• M17: 20,288,762 km (0.085 R)
• M18: 20,841,676 km (0.094 R)
• M19: 21,905,616 km (0.091 R)
• M20: 23,304,805 km (0.106 R)
• M21: 27,860,210 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 10.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.24 AU - 4.28 AU

Year: 4708 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 35,104,199 km

• M1: 135,536 km (0.042 R)
• M2: 864,975 km (0.107 R)
• M3: 1,244,056 km (0.066 R)
• M4: 1,711,400 km (0.086 R)
• M5: 2,063,254 km (0.042 R)
• M6: 2,608,538 km (0.115 R)
• M7: 3,060,473 km (0.1 R)
• M8: 3,564,468 km (0.113 R)
• M9: 4,214,172 km (0.116 R)
• M10: 4,592,056 km (0.115 R)
• M11: 5,443,567 km (0.107 R)
• M12: 6,097,011 km (0.114 R)
• M13: 6,738,636 km (0.07 R)
• M14: 7,663,450 km (0.091 R)
• M15: 8,192,727 km (0.108 R)
• M16: 8,558,943 km (0.074 R)
• M17: 9,206,702 km (0.072 R)
• M18: 10,514,486 km (0.092 R)
• M19: 10,903,740 km (0.064 R)
• M20: 11,665,193 km (0.078 R)
• M21: 13,903,925 km (0.108 R)
• M22: 16,704,996 km (0.081 R)
• M23: 18,706,017 km (0.077 R)
• M24: 19,407,182 km (0.113 R)
• M25: 20,125,850 km (0.058 R)
• M26: 20,726,785 km (0.061 R)
• M27: 21,065,923 km (0.111 R)
• M28: 23,765,118 km (0.096 R)
• M29: 25,197,667 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 238.3

Radius: 6.7

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.87 AU - 8.07 AU

Year: 10626 Days

Day: 18.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,104,199 km

• M1: 83,476 km (0.114 R)
• M2: 451,187 km (0.104 R)
• M3: 684,709 km (0.095 R)
• M4: 1,252,583 km (0.036 R)
• M5: 2,035,429 km (0.081 R)
• M6: 2,258,030 km (0.082 R)
• M7: 3,274,548 km (0.08 R)
• M8: 3,673,077 km (0.118 R)
• M9: 4,005,034 km (0.097 R)
• M10: 4,783,691 km (0.111 R)
• M11: 11,438,552 km (0.085 R)
• M12: 11,992,813 km (0.115 R)
• M13: 14,506,057 km (0.092 R)
• M14: 15,700,596 km (0.118 R)
• M15: 17,813,067 km (0.12 R)
• M16: 19,041,715 km (0.075 R)
• M17: 30,777,967 km (0.104 R)
• M18: 32,642,704 km (0.066 R)
• M19: 34,270,329 km (0.085 R)
• M20: 34,789,882 km (0.074 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: 429 - 17,781 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit