🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.8

Radius: 13.9

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.55 AU - 0.67 AU

Year: 323 Days

Day: 14.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,540,620 km

• M1: 173,234 km (0.075 R)
• M2: 626,217 km (0.101 R)
• M3: 1,155,195 km (0.066 R)
• M4: 1,672,504 km (0.107 R)
• M5: 2,121,896 km (0.112 R)
• M6: 2,808,102 km (0.111 R)
• M7: 3,472,765 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.6

Radius: 12.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.62 AU - 0.84 AU

Year: 423 Days

Day: 14.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,540,620 km

• M1: 150,795 km (0.118 R)
• M2: 529,876 km (0.1 R)
• M3: 960,867 km (0.037 R)
• M4: 1,420,282 km (0.11 R)
• M5: 1,832,873 km (0.116 R)
• M6: 2,273,140 km (0.099 R)
• M7: 2,971,163 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 12.2

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.75 AU - 0.85 AU

Year: 485 Days

Day: 7.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,540,620 km

• M1: 151,692 km (0.038 R)
• M2: 534,513 km (0.058 R)
• M3: 927,507 km (0.099 R)
• M4: 1,332,618 km (0.096 R)
• M5: 2,036,775 km (0.088 R)
• M6: 2,697,399 km (0.107 R)
• M7: 3,123,454 km (0.096 R)
• M8: 3,572,696 km (0.072 R)
• M9: 4,076,991 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 9.7

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.39 AU - 1.61 AU

Year: 1246 Days

Day: 10.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,540,620 km

• M1: 127,158 km (0.059 R)
• M2: 988,992 km (0.091 R)
• M3: 1,403,378 km (0.05 R)
• M4: 2,305,902 km (0.032 R)
• M5: 2,872,578 km (0.091 R)
• M6: 3,797,093 km (0.079 R)
• M7: 4,107,210 km (0.049 R)
• M8: 5,774,029 km (0.107 R)
• M9: 6,398,899 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.7

Radius: 12.1

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.62 AU - 3 AU

Year: 3195 Days

Day: 8.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,540,620 km

• M1: 153,188 km (0.086 R)
• M2: 809,773 km (0.114 R)
• M3: 1,187,508 km (0.116 R)
• M4: 1,596,508 km (0.056 R)
• M5: 2,003,265 km (0.098 R)
• M6: 2,581,910 km (0.097 R)
• M7: 3,606,954 km (0.071 R)
• M8: 4,368,557 km (0.074 R)
• M9: 5,859,599 km (0.115 R)
• M10: 7,049,949 km (0.097 R)
• M11: 8,578,092 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.7

Radius: 9.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.63 AU - 3.83 AU

Year: 3937 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,540,620 km

• M1: 159,471 km (0.118 R)
• M2: 461,061 km (0.089 R)
• M3: 760,705 km (0.1 R)
• M4: 3,043,419 km (0.1 R)
• M5: 4,833,806 km (0.085 R)
• M6: 5,652,107 km (0.098 R)
• M7: 7,622,311 km (0.106 R)
• M8: 7,990,321 km (0.079 R)
• M9: 10,048,339 km (0.073 R)
• M10: 12,605,565 km (0.086 R)
• M11: 13,830,323 km (0.091 R)
• M12: 15,616,821 km (0.112 R)
• M13: 16,362,716 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.9

Radius: 10.6

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.34 AU - 4.4 AU

Year: 5164 Days

Day: 5.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,540,620 km

• M1: 136,134 km (0.094 R)
• M2: 703,858 km (0.083 R)
• M3: 1,164,320 km (0.065 R)
• M4: 2,080,158 km (0.031 R)
• M5: 2,480,482 km (0.113 R)
• M6: 2,857,918 km (0.072 R)
• M7: 3,371,786 km (0.039 R)
• M8: 4,524,438 km (0.101 R)
• M9: 4,855,348 km (0.072 R)
• M10: 6,193,352 km (0.048 R)
• M11: 7,222,136 km (0.069 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 864.6

Radius: 4.4

Gravity: 44.66 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.15 AU - 9.69 AU

Year: 16571 Days

Day: 24.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,540,620 km

• M1: 55,052 km (0.059 R)
• M2: 217,665 km (0.094 R)
• M3: 661,073 km (0.104 R)
• M4: 1,007,542 km (0.106 R)
• M5: 1,373,308 km (0.076 R)
• M6: 1,578,706 km (0.05 R)
• M7: 2,341,955 km (0.103 R)
• M8: 2,779,828 km (0.075 R)
• M9: 6,485,367 km (0.066 R)
• M10: 6,837,670 km (0.091 R)
• M11: 7,018,534 km (0.096 R)
• M12: 7,532,552 km (0.115 R)
• M13: 10,907,330 km (0.104 R)
• M14: 11,918,313 km (0.118 R)
• M15: 14,344,341 km (0.114 R)
• M16: 14,866,288 km (0.089 R)
• M17: 16,507,676 km (0.091 R)
• M18: 17,836,554 km (0.051 R)
• M19: 18,179,582 km (0.091 R)
• M20: 19,414,961 km (0.11 R)
• M21: 19,595,975 km (0.093 R)
• M22: 26,328,477 km (0.036 R)
• M23: 28,485,379 km (0.027 R)
• M24: 29,071,953 km (0.08 R)
• M25: 31,499,028 km (0.07 R)
• M26: 32,506,421 km (0.081 R)
• M27: 33,146,999 km (0.118 R)
• M28: 34,984,958 km (0.108 R)
• M29: 35,657,550 km (0.068 R)
• M30: 47,786,945 km (0.092 R)
• M31: 52,195,445 km (0.058 R)
• M32: 52,370,325 km (0.119 R)
• M33: 54,139,469 km (0.086 R)
• M34: 56,682,932 km (0.088 R)
• M35: 57,238,090 km (0.051 R)
• M36: 60,068,482 km (0.094 R)
• M37: 66,415,471 km (0.053 R)
• M38: 68,069,275 km (0.075 R)
• M39: 69,962,287 km (0.089 R)
• M40: 70,601,070 km (0.071 R)
• M41: 72,323,390 km (0.115 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: 311 - 17,336 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit