🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.45 AU - 0.61 AU

Year: 253 Days

Day: 45.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.17 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162

Radius: 12.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.61 AU - 2.01 AU

Year: 1597 Days

Day: 11.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,423,046 km

• M1: 164,408 km (0.113 R)
• M2: 721,062 km (0.101 R)
• M3: 1,143,825 km (0.105 R)
• M4: 2,261,920 km (0.062 R)
• M5: 2,690,966 km (0.093 R)
• M6: 4,336,094 km (0.097 R)
• M7: 5,219,769 km (0.042 R)
• M8: 7,551,551 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 911.9

Radius: 11.3

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.4 AU - 2.24 AU

Year: 1611 Days

Day: 11.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,423,046 km

• M1: 140,472 km (0.073 R)
• M2: 549,922 km (0.083 R)
• M3: 1,413,849 km (0.104 R)
• M4: 2,404,636 km (0.084 R)
• M5: 3,465,135 km (0.065 R)
• M6: 3,990,224 km (0.11 R)
• M7: 5,401,082 km (0.084 R)
• M8: 5,842,545 km (0.098 R)
• M9: 8,031,162 km (0.08 R)
• M10: 8,858,438 km (0.118 R)
• M11: 11,342,660 km (0.092 R)
• M12: 12,147,048 km (0.039 R)
• M13: 13,030,124 km (0.116 R)
• M14: 15,563,414 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.8

Radius: 10.9

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.73 AU - 2.85 AU

Year: 2273 Days

Day: 6.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 136.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,423,046 km

• M1: 141,968 km (0.113 R)
• M2: 556,953 km (0.118 R)
• M3: 1,434,793 km (0.067 R)
• M4: 1,909,766 km (0.065 R)
• M5: 2,327,144 km (0.108 R)
• M6: 3,380,014 km (0.081 R)
• M7: 3,856,932 km (0.114 R)
• M8: 6,064,398 km (0.033 R)
• M9: 6,472,352 km (0.068 R)
• M10: 6,821,962 km (0.101 R)
• M11: 7,614,083 km (0.074 R)
• M12: 8,291,013 km (0.115 R)
• M13: 8,915,734 km (0.098 R)
• M14: 9,286,737 km (0.117 R)
• M15: 9,895,151 km (0.027 R)
• M16: 11,015,041 km (0.118 R)
• M17: 11,370,485 km (0.094 R)
• M18: 11,733,709 km (0.095 R)
• M19: 12,598,534 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.8

Radius: 4.5

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.86 AU - 8.3 AU

Year: 12358 Days

Day: 17.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,423,046 km

• M1: 55,950 km (0.04 R)
• M2: 269,875 km (0.058 R)
• M3: 484,847 km (0.113 R)
• M4: 992,582 km (0.084 R)
• M5: 1,881,642 km (0.054 R)
• M6: 2,077,615 km (0.081 R)
• M7: 2,493,049 km (0.099 R)
• M8: 4,246,934 km (0.077 R)
• M9: 4,426,900 km (0.078 R)
• M10: 5,227,249 km (0.079 R)
• M11: 5,374,453 km (0.066 R)
• M12: 7,073,885 km (0.118 R)
• M13: 8,643,765 km (0.115 R)
• M14: 9,101,534 km (0.076 R)
• M15: 10,020,065 km (0.106 R)
• M16: 10,339,457 km (0.117 R)
• M17: 10,760,126 km (0.03 R)
• M18: 13,144,118 km (0.095 R)
• M19: 13,361,932 km (0.076 R)
• M20: 14,895,759 km (0.101 R)
• M21: 17,706,703 km (0.098 R)
• M22: 18,716,938 km (0.087 R)
• M23: 20,778,097 km (0.078 R)
• M24: 20,999,502 km (0.114 R)
• M25: 21,297,351 km (0.053 R)
• M26: 22,672,305 km (0.047 R)
• M27: 29,782,393 km (0.099 R)
• M28: 31,693,506 km (0.035 R)
• M29: 32,085,303 km (0.032 R)
• M30: 32,480,241 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 705.8

Radius: 5.3

Gravity: 25.13 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.18 AU - 8.42 AU

Year: 14291 Days

Day: 24 Hours

Environment

Temp: -222 °C

Axial Tilt: 158.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 61,423,046 km

• M1: 66,122 km (0.096 R)
• M2: 617,989 km (0.083 R)
• M3: 1,233,734 km (0.068 R)
• M4: 2,250,850 km (0.096 R)
• M5: 2,651,772 km (0.118 R)
• M6: 3,199,150 km (0.079 R)
• M7: 4,141,916 km (0.105 R)
• M8: 4,419,719 km (0.09 R)
• M9: 4,842,782 km (0.117 R)
• M10: 5,046,983 km (0.105 R)
• M11: 6,395,608 km (0.093 R)
• M12: 8,204,994 km (0.08 R)
• M13: 10,498,629 km (0.049 R)
• M14: 11,250,358 km (0.113 R)
• M15: 11,913,974 km (0.093 R)
• M16: 17,308,025 km (0.118 R)
• M17: 17,705,806 km (0.074 R)
• M18: 18,602,645 km (0.088 R)
• M19: 19,443,834 km (0.09 R)
• M20: 19,614,974 km (0.05 R)
• M21: 20,663,655 km (0.044 R)
• M22: 22,872,018 km (0.071 R)
• M23: 26,158,534 km (0.082 R)
• M24: 30,317,355 km (0.086 R)
• M25: 30,663,375 km (0.081 R)
• M26: 31,245,759 km (0.11 R)
• M27: 34,144,368 km (0.045 R)
• M28: 34,393,747 km (0.12 R)
• M29: 38,685,561 km (0.105 R)
• M30: 38,956,482 km (0.091 R)
• M31: 39,915,105 km (0.068 R)
• M32: 48,469,860 km (0.098 R)
• M33: 48,942,888 km (0.119 R)
• M34: 52,506,010 km (0.081 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 13,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit