🌌 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: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 12.9

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.61 AU - 0.87 AU

Year: 447 Days

Day: 9.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,823,342 km

• M1: 160,519 km (0.116 R)
• M2: 677,828 km (0.098 R)
• M3: 1,261,858 km (0.054 R)
• M4: 1,781,112 km (0.114 R)
• M5: 2,683,636 km (0.11 R)
• M6: 3,104,605 km (0.062 R)
• M7: 3,533,352 km (0.088 R)
• M8: 3,988,728 km (0.102 R)
• M9: 4,426,302 km (0.094 R)
• M10: 4,835,602 km (0.116 R)
• M11: 5,431,749 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.09 AU - 1.57 AU

Year: 1078 Days

Day: 5.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,823,342 km

• M1: 99,632 km (0.106 R)
• M2: 425,606 km (0.034 R)
• M3: 766,240 km (0.058 R)
• M4: 1,336,208 km (0.032 R)
• M5: 1,611,917 km (0.081 R)
• M6: 2,420,643 km (0.076 R)
• M7: 4,004,137 km (0.088 R)
• M8: 4,294,656 km (0.099 R)
• M9: 4,949,745 km (0.105 R)
• M10: 5,825,191 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.9

Radius: 13.5

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.84 AU - 1.94 AU

Year: 1826 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,823,342 km

• M1: 168,447 km (0.088 R)
• M2: 635,941 km (0.046 R)
• M3: 1,058,555 km (0.035 R)
• M4: 1,543,551 km (0.117 R)
• M5: 2,213,151 km (0.115 R)
• M6: 3,577,783 km (0.096 R)
• M7: 4,643,967 km (0.073 R)
• M8: 6,528,750 km (0.119 R)
• M9: 7,032,147 km (0.105 R)
• M10: 7,807,962 km (0.114 R)
• M11: 8,551,463 km (0.1 R)
• M12: 10,414,106 km (0.058 R)
• M13: 11,896,023 km (0.085 R)
• M14: 12,344,068 km (0.078 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972

Radius: 6.4

Gravity: 23.73 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.08 AU - 7.94 AU

Year: 13046 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,823,342 km

• M1: 79,736 km (0.113 R)
• M2: 840,890 km (0.054 R)
• M3: 1,302,100 km (0.098 R)
• M4: 2,224,072 km (0.106 R)
• M5: 3,889,694 km (0.056 R)
• M6: 4,129,051 km (0.08 R)
• M7: 4,737,017 km (0.108 R)
• M8: 5,186,409 km (0.045 R)
• M9: 6,790,846 km (0.108 R)
• M10: 7,227,522 km (0.07 R)
• M11: 8,650,048 km (0.091 R)
• M12: 9,059,049 km (0.1 R)
• M13: 10,306,396 km (0.071 R)
• M14: 10,707,767 km (0.032 R)
• M15: 15,987,824 km (0.057 R)
• M16: 17,235,021 km (0.073 R)
• M17: 18,378,398 km (0.111 R)
• M18: 19,311,589 km (0.031 R)
• M19: 19,921,500 km (0.09 R)
• M20: 22,490,693 km (0.08 R)
• M21: 24,556,640 km (0.105 R)
• M22: 26,531,930 km (0.104 R)
• M23: 29,978,067 km (0.056 R)
• M24: 30,913,652 km (0.109 R)
• M25: 35,754,190 km (0.055 R)
• M26: 37,205,738 km (0.091 R)
• M27: 37,608,306 km (0.052 R)
• M28: 38,971,143 km (0.098 R)
• M29: 39,386,427 km (0.105 R)
• M30: 47,531,133 km (0.057 R)
• M31: 52,413,708 km (0.095 R)
• M32: 53,599,271 km (0.105 R)
• M33: 55,323,686 km (0.064 R)
• M34: 57,262,923 km (0.092 R)
• M35: 62,214,164 km (0.12 R)
• M36: 63,351,856 km (0.082 R)
• M37: 63,734,228 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.4

Radius: 6.6

Gravity: 22.12 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.8 AU - 11.84 AU

Year: 21631 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 89,823,342 km

• M1: 82,129 km (0.045 R)
• M2: 323,131 km (0.043 R)
• M3: 563,086 km (0.083 R)
• M4: 2,293,485 km (0.118 R)
• M5: 3,640,464 km (0.076 R)
• M6: 4,130,996 km (0.109 R)
• M7: 4,701,861 km (0.072 R)
• M8: 5,529,287 km (0.075 R)
• M9: 6,589,337 km (0.111 R)
• M10: 8,259,747 km (0.079 R)
• M11: 11,846,805 km (0.113 R)
• M12: 12,411,387 km (0.105 R)
• M13: 14,291,683 km (0.115 R)
• M14: 16,354,039 km (0.094 R)
• M15: 30,338,598 km (0.112 R)
• M16: 31,394,011 km (0.118 R)
• M17: 31,795,980 km (0.084 R)
• M18: 38,245,294 km (0.09 R)
• M19: 41,532,707 km (0.093 R)
• M20: 42,342,181 km (0.067 R)
• M21: 47,597,854 km (0.074 R)
• M22: 50,107,657 km (0.113 R)
• M23: 60,408,069 km (0.088 R)
• M24: 60,614,963 km (0.101 R)
• M25: 62,921,313 km (0.049 R)
• M26: 63,560,395 km (0.096 R)
• M27: 70,877,975 km (0.109 R)
• M28: 72,966,960 km (0.057 R)
• M29: 77,024,054 km (0.226 R)
• M30: 82,748,865 km (0.073 R)
• M31: 85,584,343 km (0.112 R)
• M32: 89,285,993 km (0.119 R)
• M33: 89,823,349 km (0.219 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 17,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit