🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.56 AU - 1.6 AU

Year: 765 Days

Day: 29.3 Hours

Environment

Temp: -56 °C

Axial Tilt: 11.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.95 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 10.2

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.3 AU - 4.32 AU

Year: 3445 Days

Day: 13.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,414,275 km

• M1: 128,505 km (0.089 R)
• M2: 1,001,558 km (0.119 R)
• M3: 1,342,491 km (0.092 R)
• M4: 3,003,476 km (0.028 R)
• M5: 3,442,845 km (0.093 R)
• M6: 4,089,258 km (0.085 R)
• M7: 4,590,411 km (0.119 R)
• M8: 5,197,329 km (0.073 R)
• M9: 6,989,961 km (0.058 R)
• M10: 7,454,013 km (0.087 R)
• M11: 8,144,108 km (0.099 R)
• M12: 9,420,776 km (0.101 R)
• M13: 10,754,741 km (0.106 R)
• M14: 13,375,396 km (0.099 R)
• M15: 14,877,957 km (0.061 R)

Planet 3 - Ice Giant

Semi-Major Axis: 15.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.6

Radius: 4.8

Gravity: 41.35 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 14.46 AU - 15.76 AU

Year: 22613 Days

Day: 19 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,414,275 km

• M1: 59,690 km (0.109 R)
• M2: 214,972 km (0.073 R)
• M3: 553,363 km (0.065 R)
• M4: 818,899 km (0.063 R)
• M5: 1,108,969 km (0.118 R)
• M6: 1,301,501 km (0.082 R)
• M7: 1,464,713 km (0.046 R)
• M8: 1,773,932 km (0.103 R)
• M9: 5,780,013 km (0.085 R)
• M10: 7,694,417 km (0.11 R)
• M11: 11,782,777 km (0.11 R)
• M12: 13,086,822 km (0.116 R)
• M13: 13,313,163 km (0.098 R)
• M14: 18,501,517 km (0.101 R)
• M15: 19,074,776 km (0.084 R)
• M16: 19,268,505 km (0.094 R)
• M17: 22,874,412 km (0.118 R)
• M18: 31,250,995 km (0.106 R)
• M19: 32,751,312 km (0.113 R)
• M20: 36,189,819 km (0.101 R)
• M21: 41,786,874 km (0.057 R)
• M22: 49,926,195 km (0.086 R)
• M23: 52,540,418 km (0.06 R)
• M24: 56,232,194 km (0.053 R)
• M25: 56,630,573 km (0.044 R)
• M26: 58,446,542 km (0.11 R)
• M27: 63,048,471 km (0.106 R)
• M28: 66,543,078 km (0.108 R)
• M29: 71,555,803 km (0.068 R)
• M30: 82,068,644 km (0.112 R)
• M31: 84,131,599 km (0.081 R)
• M32: 84,391,899 km (0.047 R)
• M33: 87,024,373 km (0.081 R)
• M34: 92,175,925 km (0.085 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.6

Radius: 3.5

Gravity: 18.58 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 12.02 AU - 19.9 AU

Year: 24548 Days

Day: 24.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,414,275 km

• M1: 43,533 km (0.084 R)
• M2: 198,816 km (0.086 R)
• M3: 401,521 km (0.071 R)
• M4: 541,095 km (0.076 R)
• M5: 731,234 km (0.12 R)
• M6: 1,068,278 km (0.079 R)
• M7: 1,299,108 km (0.094 R)
• M8: 1,470,697 km (0.077 R)
• M9: 1,807,441 km (0.093 R)
• M10: 1,966,614 km (0.053 R)
• M11: 2,077,914 km (0.038 R)
• M12: 2,292,887 km (0.061 R)
• M13: 4,053,953 km (0.07 R)
• M14: 6,152,661 km (0.111 R)
• M15: 10,874,419 km (0.069 R)
• M16: 12,505,634 km (0.087 R)
• M17: 13,280,252 km (0.082 R)
• M18: 14,641,443 km (0.065 R)
• M19: 14,924,482 km (0.072 R)
• M20: 15,283,218 km (0.039 R)
• M21: 21,107,661 km (0.051 R)
• M22: 21,925,962 km (0.057 R)
• M23: 23,049,442 km (0.1 R)
• M24: 25,207,989 km (0.099 R)
• M25: 25,512,421 km (0.075 R)
• M26: 29,024,380 km (0.057 R)
• M27: 33,819,591 km (0.094 R)
• M28: 40,348,640 km (0.071 R)
• M29: 41,324,916 km (0.06 R)
• M30: 41,889,797 km (0.055 R)
• M31: 44,939,948 km (0.063 R)
• M32: 45,988,629 km (0.091 R)
• M33: 55,655,045 km (0.078 R)
• M34: 59,692,692 km (0.092 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: 262 - 17,211 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit