🌌 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: 478.3

Radius: 13.6

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.7 AU - 0.76 AU

Year: 409 Days

Day: 8 Hours

Environment

Temp: -133 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 31,716,848 km

• M1: 169,195 km (0.045 R)
• M2: 596,297 km (0.054 R)
• M3: 1,054,067 km (0.093 R)
• M4: 1,703,621 km (0.119 R)
• M5: 2,261,022 km (0.074 R)
• M6: 2,791,646 km (0.118 R)
• M7: 3,316,734 km (0.033 R)
• M8: 3,846,760 km (0.103 R)
• M9: 4,406,405 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.1

Radius: 10.6

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.5 AU - 1.72 AU

Year: 1340 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 31,716,848 km

• M1: 131,945 km (0.12 R)
• M2: 600,486 km (0.116 R)
• M3: 936,632 km (0.054 R)
• M4: 1,524,402 km (0.117 R)
• M5: 1,939,686 km (0.12 R)
• M6: 2,659,701 km (0.077 R)
• M7: 3,695,815 km (0.06 R)
• M8: 4,568,420 km (0.117 R)
• M9: 4,941,816 km (0.12 R)
• M10: 5,293,072 km (0.107 R)
• M11: 5,750,093 km (0.046 R)
• M12: 6,669,073 km (0.087 R)
• M13: 7,334,335 km (0.066 R)
• M14: 8,043,130 km (0.106 R)
• M15: 9,222,110 km (0.095 R)
• M16: 10,015,428 km (0.112 R)
• M17: 11,521,130 km (0.118 R)
• M18: 12,592,850 km (0.081 R)
• M19: 13,094,302 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.7

Radius: 11.8

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 4.14 AU - 4.76 AU

Year: 6158 Days

Day: 14.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 31,716,848 km

• M1: 146,756 km (0.099 R)
• M2: 521,648 km (0.111 R)
• M3: 921,822 km (0.067 R)
• M4: 1,512,584 km (0.071 R)
• M5: 1,983,817 km (0.116 R)
• M6: 3,003,925 km (0.088 R)
• M7: 4,167,946 km (0.075 R)
• M8: 6,116,608 km (0.093 R)
• M9: 7,932,577 km (0.035 R)
• M10: 8,529,173 km (0.11 R)
• M11: 9,284,343 km (0.052 R)
• M12: 10,689,067 km (0.063 R)
• M13: 14,432,903 km (0.11 R)
• M14: 15,202,285 km (0.114 R)
• M15: 15,874,428 km (0.077 R)
• M16: 16,887,505 km (0.115 R)
• M17: 19,112,325 km (0.113 R)
• M18: 20,626,106 km (0.05 R)
• M19: 23,164,033 km (0.047 R)
• M20: 24,549,609 km (0.089 R)
• M21: 25,475,021 km (0.043 R)
• M22: 26,950,954 km (0.093 R)
• M23: 27,845,400 km (0.104 R)
• M24: 28,300,028 km (0.091 R)
• M25: 33,020,588 km (0.108 R)
• M26: 35,301,358 km (0.095 R)
• M27: 35,833,926 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.9

Radius: 12.7

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.18 AU - 5.06 AU

Year: 6514 Days

Day: 10.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 31,716,848 km

• M1: 159,471 km (0.092 R)
• M2: 702,811 km (0.107 R)
• M3: 1,191,547 km (0.084 R)
• M4: 2,244,417 km (0.056 R)
• M5: 3,118,517 km (0.039 R)
• M6: 3,612,190 km (0.077 R)
• M7: 4,334,748 km (0.11 R)
• M8: 7,568,904 km (0.109 R)
• M9: 8,426,250 km (0.08 R)
• M10: 9,698,430 km (0.07 R)
• M11: 10,195,693 km (0.086 R)
• M12: 10,757,433 km (0.064 R)
• M13: 12,097,531 km (0.068 R)
• M14: 12,621,124 km (0.037 R)
• M15: 13,050,769 km (0.069 R)
• M16: 17,108,910 km (0.089 R)
• M17: 17,769,235 km (0.091 R)
• M18: 19,708,921 km (0.082 R)
• M19: 20,288,314 km (0.103 R)
• M20: 23,276,381 km (0.071 R)
• M21: 24,583,119 km (0.115 R)
• M22: 25,169,991 km (0.114 R)
• M23: 25,766,139 km (0.061 R)
• M24: 29,261,792 km (0.105 R)
• M25: 32,457,053 km (0.055 R)
• M26: 35,663,983 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.3

Radius: 5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.02 AU - 8.02 AU

Year: 12202 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 31,716,848 km

• M1: 63,280 km (0.049 R)
• M2: 307,872 km (0.049 R)
• M3: 625,020 km (0.048 R)
• M4: 1,328,429 km (0.072 R)
• M5: 1,826,740 km (0.074 R)
• M6: 2,324,601 km (0.049 R)
• M7: 3,004,823 km (0.102 R)
• M8: 3,562,972 km (0.115 R)
• M9: 6,048,691 km (0.095 R)
• M10: 6,270,395 km (0.055 R)
• M11: 6,899,603 km (0.084 R)
• M12: 7,176,808 km (0.092 R)
• M13: 8,715,273 km (0.117 R)
• M14: 9,287,485 km (0.108 R)
• M15: 9,840,847 km (0.051 R)
• M16: 17,579,545 km (0.089 R)
• M17: 18,757,030 km (0.043 R)
• M18: 19,433,511 km (0.114 R)
• M19: 21,341,183 km (0.116 R)
• M20: 21,781,300 km (0.083 R)
• M21: 29,311,459 km (0.078 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 451 - 17,405 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit