🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 12.6

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.64 AU - 0.66 AU

Year: 362 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,368,676 km

• M1: 156,629 km (0.096 R)
• M2: 625,768 km (0.061 R)
• M3: 1,047,783 km (0.095 R)
• M4: 1,579,903 km (0.036 R)
• M5: 2,702,336 km (0.107 R)
• M6: 3,956,714 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 12.9

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.75 AU - 1.13 AU

Year: 629 Days

Day: 12.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,368,676 km

• M1: 160,369 km (0.095 R)
• M2: 658,829 km (0.118 R)
• M3: 1,232,537 km (0.112 R)
• M4: 1,637,199 km (0.118 R)
• M5: 2,360,355 km (0.047 R)
• M6: 2,785,512 km (0.102 R)
• M7: 3,210,670 km (0.119 R)
• M8: 3,793,054 km (0.06 R)
• M9: 4,349,857 km (0.112 R)
• M10: 4,960,815 km (0.105 R)
• M11: 5,387,319 km (0.114 R)
• M12: 5,819,058 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.5

Radius: 10.4

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.94 AU - 1.18 AU

Year: 753 Days

Day: 9.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 138.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,368,676 km

• M1: 137,181 km (0.112 R)
• M2: 529,576 km (0.051 R)
• M3: 987,795 km (0.072 R)
• M4: 1,416,991 km (0.079 R)
• M5: 1,773,632 km (0.102 R)
• M6: 2,661,496 km (0.098 R)
• M7: 4,329,213 km (0.093 R)
• M8: 6,733,400 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.7

Radius: 9.6

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.19 AU - 2.85 AU

Year: 2761 Days

Day: 7.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 73,368,676 km

• M1: 119,379 km (0.087 R)
• M2: 503,546 km (0.112 R)
• M3: 966,402 km (0.107 R)
• M4: 1,396,347 km (0.116 R)
• M5: 2,351,529 km (0.091 R)
• M6: 3,427,437 km (0.104 R)
• M7: 4,034,056 km (0.118 R)
• M8: 4,374,242 km (0.105 R)
• M9: 5,137,191 km (0.039 R)
• M10: 6,122,442 km (0.072 R)
• M11: 7,290,802 km (0.116 R)
• M12: 8,361,623 km (0.091 R)
• M13: 8,776,009 km (0.065 R)
• M14: 10,612,024 km (0.114 R)
• M15: 11,016,088 km (0.096 R)
• M16: 12,027,818 km (0.038 R)
• M17: 12,601,077 km (0.04 R)
• M18: 13,378,089 km (0.063 R)
• M19: 14,727,013 km (0.075 R)
• M20: 15,128,683 km (0.101 R)
• M21: 20,410,834 km (0.088 R)
• M22: 20,847,510 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.1

Radius: 3.6

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 8.37 AU - 9.23 AU

Year: 18019 Days

Day: 15.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,368,676 km

• M1: 45,179 km (0.06 R)
• M2: 745,745 km (0.055 R)
• M3: 1,440,627 km (0.083 R)
• M4: 1,607,878 km (0.068 R)
• M5: 1,825,692 km (0.112 R)
• M6: 3,567,760 km (0.119 R)
• M7: 4,002,491 km (0.089 R)
• M8: 4,877,339 km (0.107 R)
• M9: 5,307,284 km (0.091 R)
• M10: 7,508,916 km (0.102 R)
• M11: 8,573,753 km (0.111 R)
• M12: 16,688,839 km (0.111 R)
• M13: 17,952,343 km (0.066 R)
• M14: 19,902,052 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834

Radius: 7.6

Gravity: 14.44 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 8.36 AU - 9.9 AU

Year: 19042 Days

Day: 22.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 73,368,676 km

• M1: 97,388 km (0.091 R)
• M2: 466,895 km (0.049 R)
• M3: 791,074 km (0.098 R)
• M4: 1,207,554 km (0.072 R)
• M5: 2,131,321 km (0.094 R)
• M6: 3,882,364 km (0.097 R)
• M7: 4,789,226 km (0.112 R)
• M8: 5,467,952 km (0.077 R)
• M9: 7,251,308 km (0.036 R)
• M10: 7,789,112 km (0.095 R)
• M11: 8,889,255 km (0.09 R)
• M12: 13,232,680 km (0.115 R)
• M13: 14,562,904 km (0.104 R)
• M14: 16,554,949 km (0.083 R)
• M15: 17,572,813 km (0.12 R)
• M16: 19,268,954 km (0.105 R)
• M17: 21,563,635 km (0.113 R)
• M18: 22,265,848 km (0.116 R)
• M19: 23,715,900 km (0.054 R)
• M20: 27,148,722 km (0.112 R)
• M21: 29,653,739 km (0.069 R)
• M22: 29,899,977 km (0.087 R)
• M23: 30,647,218 km (0.085 R)
• M24: 32,178,801 km (0.059 R)
• M25: 32,700,599 km (0.103 R)
• M26: 34,435,036 km (0.099 R)
• M27: 35,118,100 km (0.077 R)
• M28: 35,532,337 km (0.058 R)
• M29: 39,855,416 km (0.114 R)
• M30: 41,370,842 km (0.066 R)
• M31: 44,355,469 km (0.077 R)
• M32: 45,164,196 km (0.066 R)
• M33: 53,252,055 km (0.095 R)
• M34: 54,349,355 km (0.079 R)
• M35: 56,399,893 km (0.117 R)
• M36: 59,083,829 km (0.071 R)
• M37: 61,251,352 km (0.114 R)
• M38: 66,373,583 km (0.063 R)
• M39: 69,146,679 km (0.09 R)
• M40: 70,233,657 km (0.061 R)
• M41: 76,300,150 km (0.058 R)
• M42: 77,928,074 km (0.075 R)
• M43: 78,397,363 km (0.205 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.6

Radius: 5

Gravity: 21.38 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 9.09 AU - 10.67 AU

Year: 21436 Days

Day: 16.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 121.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,368,676 km

• M1: 62,233 km (0.032 R)
• M2: 385,514 km (0.063 R)
• M3: 614,099 km (0.092 R)
• M4: 821,592 km (0.104 R)
• M5: 1,741,319 km (0.101 R)
• M6: 4,545,830 km (0.089 R)
• M7: 4,789,077 km (0.105 R)
• M8: 4,968,145 km (0.105 R)
• M9: 9,729,247 km (0.031 R)
• M10: 11,477,597 km (0.085 R)
• M11: 11,928,934 km (0.108 R)
• M12: 15,041,318 km (0.084 R)
• M13: 15,426,084 km (0.073 R)
• M14: 16,948,092 km (0.092 R)
• M15: 19,641,602 km (0.075 R)
• M16: 20,286,967 km (0.045 R)
• M17: 21,041,838 km (0.085 R)
• M18: 22,209,001 km (0.043 R)
• M19: 24,459,551 km (0.116 R)
• M20: 30,373,903 km (0.082 R)
• M21: 31,862,402 km (0.086 R)
• M22: 33,139,369 km (0.106 R)
• M23: 33,659,521 km (0.064 R)
• M24: 38,445,905 km (0.119 R)
• M25: 39,892,367 km (0.072 R)
• M26: 42,586,774 km (0.066 R)
• M27: 47,178,830 km (0.075 R)
• M28: 50,359,879 km (0.067 R)
• M29: 52,090,128 km (0.092 R)
• M30: 53,859,721 km (0.111 R)
• M31: 54,038,790 km (0.117 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 327 - 14,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit