🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.86 AU - 1 AU

Year: 389 Days

Day: 34.1 Hours

Environment

Temp: -57 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.1

Radius: 13.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.81 AU - 4.75 AU

Year: 3838 Days

Day: 14.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 105,789,216 km

• M1: 167,998 km (0.099 R)
• M2: 597,943 km (0.103 R)
• M3: 1,069,176 km (0.111 R)
• M4: 1,495,231 km (0.1 R)
• M5: 2,214,348 km (0.064 R)
• M6: 2,743,924 km (0.107 R)
• M7: 3,471,867 km (0.109 R)
• M8: 3,955,667 km (0.064 R)
• M9: 5,211,990 km (0.105 R)
• M10: 5,988,702 km (0.072 R)
• M11: 6,688,970 km (0.1 R)
• M12: 8,079,631 km (0.109 R)
• M13: 10,009,594 km (0.092 R)
• M14: 10,912,566 km (0.036 R)
• M15: 12,139,418 km (0.093 R)
• M16: 15,022,917 km (0.117 R)
• M17: 17,978,523 km (0.092 R)
• M18: 18,576,914 km (0.037 R)
• M19: 19,250,254 km (0.091 R)
• M20: 23,214,298 km (0.095 R)
• M21: 24,284,372 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.1

Radius: 13.9

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.18 AU - 5.2 AU

Year: 4403 Days

Day: 11.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 105,789,216 km

• M1: 172,935 km (0.067 R)
• M2: 820,844 km (0.065 R)
• M3: 1,376,151 km (0.08 R)
• M4: 2,007,005 km (0.115 R)
• M5: 3,012,303 km (0.051 R)
• M6: 3,449,428 km (0.048 R)
• M7: 4,429,144 km (0.065 R)
• M8: 5,161,725 km (0.048 R)
• M9: 6,605,195 km (0.046 R)
• M10: 7,420,952 km (0.065 R)
• M11: 8,113,740 km (0.049 R)
• M12: 8,809,519 km (0.091 R)
• M13: 9,544,793 km (0.08 R)
• M14: 11,420,002 km (0.041 R)
• M15: 13,636,594 km (0.07 R)
• M16: 16,427,941 km (0.118 R)
• M17: 16,979,209 km (0.094 R)
• M18: 17,797,359 km (0.106 R)
• M19: 18,575,867 km (0.101 R)
• M20: 19,174,408 km (0.052 R)
• M21: 19,648,783 km (0.074 R)
• M22: 21,191,286 km (0.086 R)
• M23: 23,040,466 km (0.091 R)
• M24: 25,971,537 km (0.095 R)
• M25: 26,469,249 km (0.093 R)
• M26: 30,042,693 km (0.047 R)
• M27: 31,239,775 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.1

Radius: 6.1

Gravity: 23.17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 13.9 AU - 14.64 AU

Year: 23367 Days

Day: 23.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 105,789,216 km

• M1: 83,625 km (0.098 R)
• M2: 421,567 km (0.101 R)
• M3: 624,721 km (0.033 R)
• M4: 871,856 km (0.094 R)
• M5: 1,212,790 km (0.095 R)
• M6: 3,946,392 km (0.11 R)
• M7: 4,183,953 km (0.094 R)
• M8: 4,576,648 km (0.111 R)
• M9: 4,801,044 km (0.08 R)
• M10: 5,730,197 km (0.091 R)
• M11: 6,583,653 km (0.078 R)
• M12: 7,264,772 km (0.104 R)
• M13: 7,519,088 km (0.099 R)
• M14: 11,594,583 km (0.094 R)
• M15: 14,333,870 km (0.045 R)
• M16: 14,734,343 km (0.034 R)
• M17: 16,761,245 km (0.118 R)
• M18: 19,158,999 km (0.078 R)
• M19: 22,198,978 km (0.088 R)
• M20: 23,170,017 km (0.071 R)
• M21: 24,056,834 km (0.072 R)
• M22: 27,461,083 km (0.03 R)
• M23: 30,117,642 km (0.066 R)
• M24: 31,039,913 km (0.073 R)
• M25: 31,710,111 km (0.056 R)
• M26: 33,079,380 km (0.092 R)
• M27: 40,680,149 km (0.045 R)
• M28: 44,289,796 km (0.107 R)
• M29: 45,998,952 km (0.09 R)
• M30: 52,705,125 km (0.09 R)
• M31: 59,827,779 km (0.101 R)
• M32: 63,403,467 km (0.066 R)
• M33: 66,232,213 km (0.106 R)
• M34: 69,143,837 km (0.082 R)
• M35: 77,160,039 km (0.11 R)
• M36: 87,357,527 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.5

Radius: 6.6

Gravity: 19.04 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 14.08 AU - 19.48 AU

Year: 29795 Days

Day: 24.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 105,789,216 km

• M1: 82,129 km (0.069 R)
• M2: 531,521 km (0.104 R)
• M3: 940,522 km (0.097 R)
• M4: 1,192,295 km (0.036 R)
• M5: 1,617,602 km (0.071 R)
• M6: 2,402,542 km (0.118 R)
• M7: 3,323,466 km (0.114 R)
• M8: 5,479,920 km (0.081 R)
• M9: 9,779,063 km (0.102 R)
• M10: 10,039,364 km (0.081 R)
• M11: 11,056,928 km (0.101 R)
• M12: 11,268,460 km (0.062 R)
• M13: 11,699,601 km (0.116 R)
• M14: 11,919,210 km (0.103 R)
• M15: 12,594,645 km (0.102 R)
• M16: 15,641,953 km (0.089 R)
• M17: 19,147,630 km (0.089 R)
• M18: 19,555,434 km (0.064 R)
• M19: 23,606,694 km (0.067 R)
• M20: 25,275,009 km (0.066 R)
• M21: 34,058,349 km (0.113 R)
• M22: 38,075,949 km (0.101 R)
• M23: 40,032,241 km (0.108 R)
• M24: 49,287,113 km (0.118 R)
• M25: 49,860,671 km (0.049 R)
• M26: 54,204,096 km (0.12 R)
• M27: 60,962,030 km (0.103 R)
• M28: 64,087,279 km (0.112 R)
• M29: 68,497,275 km (0.11 R)
• M30: 68,972,996 km (0.071 R)
• M31: 71,384,364 km (0.098 R)
• M32: 72,364,380 km (0.07 R)
• M33: 75,358,431 km (0.054 R)
• M34: 77,399,694 km (0.115 R)
• M35: 89,006,395 km (0.102 R)
• M36: 97,156,188 km (0.045 R)
• M37: 98,057,664 km (0.11 R)
• M38: 100,183,151 km (0.088 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: 445 - 14,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit