🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.9

Radius: 12.4

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.86 AU - 0.98 AU

Year: 579 Days

Day: 10 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,953,031 km

• M1: 154,235 km (0.106 R)
• M2: 541,544 km (0.096 R)
• M3: 1,248,394 km (0.074 R)
• M4: 1,663,678 km (0.106 R)
• M5: 2,204,325 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 630

Radius: 14.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.52 AU - 1.74 AU

Year: 1365 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,953,031 km

• M1: 181,612 km (0.076 R)
• M2: 651,798 km (0.115 R)
• M3: 1,328,579 km (0.117 R)
• M4: 1,787,395 km (0.113 R)
• M5: 2,331,632 km (0.052 R)
• M6: 3,126,147 km (0.1 R)
• M7: 3,778,842 km (0.096 R)
• M8: 4,938,226 km (0.109 R)
• M9: 5,612,015 km (0.112 R)
• M10: 6,094,767 km (0.091 R)
• M11: 6,653,066 km (0.095 R)
• M12: 7,194,760 km (0.029 R)
• M13: 7,766,074 km (0.103 R)
• M14: 8,423,557 km (0.065 R)
• M15: 8,941,016 km (0.091 R)
• M16: 10,008,098 km (0.093 R)
• M17: 10,955,202 km (0.083 R)
• M18: 11,468,173 km (0.083 R)
• M19: 12,285,875 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.8

Radius: 8.9

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.61 AU - 2.53 AU

Year: 1954 Days

Day: 12.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,953,031 km

• M1: 110,702 km (0.067 R)
• M2: 421,268 km (0.076 R)
• M3: 739,313 km (0.081 R)
• M4: 1,198,578 km (0.078 R)
• M5: 1,775,278 km (0.082 R)
• M6: 2,226,016 km (0.094 R)
• M7: 2,540,321 km (0.117 R)
• M8: 2,914,167 km (0.101 R)
• M9: 3,194,363 km (0.075 R)
• M10: 4,834,554 km (0.094 R)
• M11: 5,117,444 km (0.116 R)
• M12: 6,285,205 km (0.108 R)
• M13: 7,082,711 km (0.052 R)
• M14: 7,650,884 km (0.045 R)
• M15: 8,465,594 km (0.115 R)
• M16: 9,237,369 km (0.105 R)
• M17: 9,606,427 km (0.102 R)
• M18: 10,196,142 km (0.046 R)
• M19: 12,431,284 km (0.113 R)
• M20: 12,757,706 km (0.058 R)
• M21: 14,565,896 km (0.078 R)
• M22: 16,198,308 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 12

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.09 AU - 3.48 AU

Year: 3041 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 78,953,031 km

• M1: 149,299 km (0.097 R)
• M2: 643,121 km (0.03 R)
• M3: 1,037,012 km (0.071 R)
• M4: 2,147,926 km (0.083 R)
• M5: 2,691,714 km (0.115 R)
• M6: 3,075,134 km (0.085 R)
• M7: 3,552,650 km (0.065 R)
• M8: 4,058,291 km (0.097 R)
• M9: 4,943,312 km (0.09 R)
• M10: 5,980,474 km (0.094 R)
• M11: 6,404,883 km (0.093 R)
• M12: 8,983,053 km (0.085 R)
• M13: 9,655,645 km (0.028 R)
• M14: 10,604,245 km (0.097 R)
• M15: 11,398,460 km (0.11 R)
• M16: 14,368,127 km (0.036 R)
• M17: 14,772,341 km (0.043 R)
• M18: 16,576,192 km (0.078 R)
• M19: 17,190,142 km (0.056 R)
• M20: 17,876,946 km (0.075 R)
• M21: 18,761,219 km (0.037 R)
• M22: 20,047,910 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.3

Radius: 5.8

Gravity: 28.81 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 7.36 AU - 10.68 AU

Year: 17771 Days

Day: 22.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 78,953,031 km

• M1: 72,106 km (0.097 R)
• M2: 343,776 km (0.101 R)
• M3: 1,122,134 km (0.076 R)
• M4: 1,364,781 km (0.063 R)
• M5: 1,659,489 km (0.094 R)
• M6: 2,180,688 km (0.112 R)
• M7: 2,779,977 km (0.092 R)
• M8: 3,255,250 km (0.052 R)
• M9: 3,631,040 km (0.047 R)
• M10: 3,907,945 km (0.062 R)
• M11: 4,231,825 km (0.098 R)
• M12: 4,644,116 km (0.078 R)
• M13: 5,669,311 km (0.092 R)
• M14: 6,000,071 km (0.048 R)
• M15: 9,239,164 km (0.048 R)
• M16: 10,051,032 km (0.1 R)
• M17: 11,749,267 km (0.068 R)
• M18: 13,484,303 km (0.087 R)
• M19: 13,999,219 km (0.097 R)
• M20: 14,527,150 km (0.098 R)
• M21: 16,108,400 km (0.032 R)
• M22: 17,110,406 km (0.117 R)
• M23: 19,237,837 km (0.104 R)
• M24: 22,238,621 km (0.056 R)
• M25: 23,164,931 km (0.106 R)
• M26: 25,648,705 km (0.087 R)
• M27: 26,438,432 km (0.105 R)
• M28: 30,506,596 km (0.12 R)
• M29: 30,884,480 km (0.083 R)
• M30: 32,166,385 km (0.097 R)
• M31: 41,992,721 km (0.064 R)
• M32: 46,325,973 km (0.112 R)
• M33: 50,244,838 km (0.102 R)
• M34: 52,015,479 km (0.114 R)
• M35: 58,346,461 km (0.109 R)
• M36: 58,540,040 km (0.117 R)
• M37: 58,734,069 km (0.111 R)
• M38: 63,930,800 km (0.078 R)
• M39: 67,916,386 km (0.048 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: 418 - 17,765 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit