🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.58 AU - 0.76 AU

Year: 209 Days

Day: 17.9 Hours

Environment

Temp: 122 °C

Axial Tilt: 17.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.23 AU - 1.83 AU

Year: 721 Days

Day: 34 Hours

Environment

Temp: -58 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.1

Radius: 12.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.01 AU - 8.23 AU

Year: 7235 Days

Day: 9.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 57.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 34,921,612 km

• M1: 177,722 km (0.068 R)
• M2: 335,698 km (0.105 R)
• M3: 454,030 km (0.096 R)
• M4: 672,592 km (0.111 R)
• M5: 880,533 km (0.072 R)
• M6: 1,009,486 km (0.03 R)
• M7: 1,398,890 km (0.104 R)
• M8: 1,513,182 km (0.026 R)
• M9: 1,630,916 km (0.112 R)
• M10: 1,751,941 km (0.113 R)
• M11: 1,917,994 km (0.109 R)
• M12: 2,003,115 km (0.12 R)
• M13: 2,288,698 km (0.07 R)
• M14: 2,494,395 km (0.073 R)
• M15: 2,754,097 km (0.073 R)
• M16: 2,899,656 km (0.098 R)
• M17: 3,403,202 km (0.107 R)
• M18: 3,638,968 km (0.096 R)
• M19: 4,016,404 km (0.118 R)
• M20: 4,265,783 km (0.097 R)
• M21: 4,606,418 km (0.059 R)
• M22: 4,896,937 km (0.108 R)
• M23: 5,163,819 km (0.096 R)
• M24: 5,526,893 km (0.104 R)
• M25: 5,619,046 km (0.105 R)
• M26: 5,711,647 km (0.111 R)
• M27: 6,087,287 km (0.046 R)
• M28: 6,764,068 km (0.107 R)
• M29: 6,995,047 km (0.054 R)
• M30: 7,363,357 km (0.079 R)
• M31: 7,464,784 km (0.086 R)
• M32: 7,944,993 km (0.086 R)
• M33: 8,223,844 km (0.087 R)
• M34: 8,755,515 km (0.047 R)
• M35: 9,444,862 km (0.091 R)
• M36: 9,629,316 km (0.101 R)
• M37: 10,001,515 km (0.044 R)
• M38: 11,069,195 km (0.12 R)
• M39: 11,185,732 km (0.101 R)
• M40: 11,380,957 km (0.111 R)
• M41: 11,577,230 km (0.118 R)
• M42: 12,132,836 km (0.095 R)
• M43: 12,333,297 km (0.067 R)
• M44: 13,064,532 km (0.032 R)
• M45: 13,767,941 km (0.066 R)
• M46: 16,171,380 km (0.054 R)
• M47: 17,016,010 km (0.066 R)
• M48: 17,150,648 km (0.112 R)
• M49: 17,829,373 km (0.083 R)
• M50: 17,966,106 km (0.089 R)
• M51: 18,378,697 km (0.093 R)
• M52: 19,400,151 km (0.037 R)
• M53: 19,493,949 km (0.105 R)
• M54: 20,535,449 km (0.1 R)
• M55: 22,278,713 km (0.086 R)
• M56: 22,969,407 km (0.115 R)
• M57: 23,217,739 km (0.07 R)
• M58: 24,018,686 km (0.12 R)
• M59: 26,060,099 km (0.084 R)
• M60: 26,371,113 km (0.107 R)
• M61: 26,839,952 km (0.098 R)
• M62: 26,944,521 km (0.079 R)
• M63: 29,064,174 km (0.1 R)
• M64: 29,494,567 km (0.108 R)
• M65: 29,656,431 km (0.099 R)
• M66: 30,361,486 km (0.066 R)
• M67: 30,962,421 km (0.115 R)
• M68: 34,536,164 km (0.12 R)
• M69: 35,335,167 km (0.096 R)
• M70: 35,967,218 km (0.046 R)
• M71: 37,885,661 km (0.091 R)
• M72: 38,120,529 km (0.091 R)
• M73: 38,238,113 km (0.116 R)
• M74: 38,355,847 km (0.066 R)
• M75: 39,005,401 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.3

Radius: 12.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.2 AU - 10.14 AU

Year: 9721 Days

Day: 15 Hours

Environment

Temp: -167 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 34,921,612 km

• M1: 294,109 km (0.09 R)
• M2: 404,064 km (0.114 R)
• M3: 593,006 km (0.107 R)
• M4: 972,985 km (0.116 R)
• M5: 1,272,629 km (0.115 R)
• M6: 1,459,776 km (0.117 R)
• M7: 1,619,995 km (0.098 R)
• M8: 1,862,045 km (0.116 R)
• M9: 2,237,236 km (0.117 R)
• M10: 2,360,804 km (0.105 R)
• M11: 4,016,404 km (0.077 R)
• M12: 4,295,404 km (0.108 R)
• M13: 4,818,847 km (0.116 R)
• M14: 5,362,784 km (0.114 R)
• M15: 5,670,358 km (0.117 R)
• M16: 5,869,173 km (0.109 R)
• M17: 6,508,854 km (0.102 R)
• M18: 6,597,864 km (0.058 R)
• M19: 6,747,163 km (0.082 R)
• M20: 6,988,165 km (0.089 R)
• M21: 7,665,844 km (0.097 R)
• M22: 8,236,111 km (0.089 R)
• M23: 8,591,256 km (0.108 R)
• M24: 11,573,639 km (0.117 R)
• M25: 11,717,852 km (0.114 R)
• M26: 11,935,367 km (0.08 R)
• M27: 12,154,079 km (0.12 R)
• M28: 12,967,742 km (0.118 R)
• M29: 13,080,090 km (0.065 R)
• M30: 14,647,427 km (0.049 R)
• M31: 14,764,562 km (0.095 R)
• M32: 15,117,463 km (0.084 R)
• M33: 17,087,518 km (0.115 R)
• M34: 17,334,204 km (0.087 R)
• M35: 17,872,906 km (0.109 R)
• M36: 20,999,053 km (0.071 R)
• M37: 21,573,210 km (0.117 R)
• M38: 22,242,211 km (0.113 R)
• M39: 22,782,409 km (0.103 R)
• M40: 23,008,751 km (0.1 R)
• M41: 23,967,374 km (0.078 R)
• M42: 26,112,907 km (0.118 R)
• M43: 26,587,431 km (0.101 R)
• M44: 27,064,798 km (0.051 R)
• M45: 27,689,519 km (0.114 R)
• M46: 28,270,557 km (0.079 R)
• M47: 29,346,166 km (0.093 R)
• M48: 31,084,792 km (0.114 R)
• M49: 31,638,154 km (0.117 R)
• M50: 31,789,697 km (0.057 R)
• M51: 32,194,808 km (0.04 R)
• M52: 32,907,792 km (0.09 R)
• M53: 33,471,776 km (0.066 R)
• M54: 34,038,901 km (0.116 R)
• M55: 34,349,616 km (0.095 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 10,456 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit