🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.4

Radius: 13.2

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.76 AU - 0.8 AU

Year: 467 Days

Day: 9.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,713,101 km

• M1: 164,258 km (0.108 R)
• M2: 733,030 km (0.107 R)
• M3: 1,558,959 km (0.034 R)
• M4: 2,232,449 km (0.058 R)
• M5: 2,911,773 km (0.099 R)
• M6: 3,505,826 km (0.115 R)
• M7: 4,153,136 km (0.076 R)
• M8: 5,604,684 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.5

Radius: 8.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.17 AU - 1.69 AU

Year: 1160 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,713,101 km

• M1: 100,679 km (0.092 R)
• M2: 364,570 km (0.076 R)
• M3: 988,842 km (0.116 R)
• M4: 1,292,226 km (0.113 R)
• M5: 1,902,287 km (0.118 R)
• M6: 2,268,801 km (0.116 R)
• M7: 3,062,268 km (0.049 R)
• M8: 3,647,944 km (0.105 R)
• M9: 4,016,703 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 15

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.22 AU - 1.7 AU

Year: 1197 Days

Day: 8.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,713,101 km

• M1: 193,729 km (0.102 R)
• M2: 928,105 km (0.11 R)
• M3: 1,437,187 km (0.09 R)
• M4: 2,127,581 km (0.044 R)
• M5: 2,727,468 km (0.107 R)
• M6: 3,379,565 km (0.12 R)
• M7: 3,915,126 km (0.057 R)
• M8: 4,562,585 km (0.083 R)
• M9: 5,199,573 km (0.098 R)
• M10: 5,808,137 km (0.084 R)
• M11: 6,463,974 km (0.11 R)
• M12: 7,093,781 km (0.088 R)
• M13: 7,790,758 km (0.099 R)
• M14: 8,280,691 km (0.082 R)
• M15: 8,820,141 km (0.103 R)
• M16: 9,322,640 km (0.087 R)
• M17: 10,128,374 km (0.113 R)
• M18: 10,845,995 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 14.3

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.81 AU - 4.23 AU

Year: 4479 Days

Day: 10.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,713,101 km

• M1: 177,872 km (0.115 R)
• M2: 633,098 km (0.118 R)
• M3: 1,320,949 km (0.085 R)
• M4: 3,371,188 km (0.086 R)
• M5: 4,070,558 km (0.107 R)
• M6: 4,580,836 km (0.087 R)
• M7: 5,328,078 km (0.075 R)
• M8: 5,850,324 km (0.116 R)
• M9: 6,471,005 km (0.029 R)
• M10: 6,964,978 km (0.113 R)
• M11: 7,881,265 km (0.079 R)
• M12: 10,346,937 km (0.105 R)
• M13: 10,795,431 km (0.115 R)
• M14: 11,828,404 km (0.089 R)
• M15: 13,289,377 km (0.11 R)
• M16: 15,037,877 km (0.084 R)
• M17: 19,593,581 km (0.11 R)
• M18: 20,702,849 km (0.033 R)
• M19: 22,744,112 km (0.107 R)
• M20: 24,047,259 km (0.061 R)
• M21: 29,312,656 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.6

Radius: 14.3

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.32 AU - 4.74 AU

Year: 5487 Days

Day: 13.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,713,101 km

• M1: 177,872 km (0.07 R)
• M2: 639,232 km (0.08 R)
• M3: 1,391,410 km (0.102 R)
• M4: 1,998,927 km (0.075 R)
• M5: 2,580,563 km (0.05 R)
• M6: 3,216,653 km (0.075 R)
• M7: 6,681,639 km (0.079 R)
• M8: 7,235,151 km (0.087 R)
• M9: 8,104,764 km (0.086 R)
• M10: 8,926,804 km (0.118 R)
• M11: 10,348,433 km (0.054 R)
• M12: 11,271,152 km (0.084 R)
• M13: 13,129,756 km (0.069 R)
• M14: 14,317,414 km (0.11 R)
• M15: 15,351,584 km (0.112 R)
• M16: 17,205,251 km (0.073 R)
• M17: 17,814,114 km (0.097 R)
• M18: 19,010,449 km (0.047 R)
• M19: 20,125,701 km (0.081 R)
• M20: 21,985,950 km (0.06 R)
• M21: 22,558,611 km (0.028 R)
• M22: 25,181,810 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.4

Radius: 3.3

Gravity: 65.79 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.15 AU - 6.89 AU

Year: 10018 Days

Day: 15.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,713,101 km

• M1: 40,990 km (0.033 R)
• M2: 208,689 km (0.113 R)
• M3: 329,714 km (0.06 R)
• M4: 436,227 km (0.115 R)
• M5: 688,898 km (0.025 R)
• M6: 946,805 km (0.094 R)
• M7: 1,075,459 km (0.074 R)
• M8: 1,252,882 km (0.051 R)
• M9: 1,576,911 km (0.079 R)
• M10: 1,920,537 km (0.092 R)
• M11: 2,587,295 km (0.071 R)
• M12: 2,862,106 km (0.095 R)
• M13: 4,019,844 km (0.105 R)
• M14: 4,243,942 km (0.036 R)
• M15: 4,476,267 km (0.119 R)
• M16: 4,903,220 km (0.071 R)
• M17: 5,224,406 km (0.044 R)
• M18: 6,088,633 km (0.108 R)
• M19: 9,102,282 km (0.082 R)
• M20: 10,293,530 km (0.114 R)
• M21: 12,800,192 km (0.085 R)
• M22: 18,512,288 km (0.065 R)
• M23: 22,348,127 km (0.083 R)
• M24: 24,774,754 km (0.115 R)
• M25: 25,431,339 km (0.1 R)
• M26: 30,037,457 km (0.116 R)
• M27: 32,871,589 km (0.109 R)
• M28: 40,081,458 km (0.088 R)
• M29: 40,209,813 km (0.11 R)
• M30: 45,014,598 km (0.066 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: 483 - 10,901 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit