🌌 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 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.58 AU - 0.66 AU

Year: 315 Days

Day: 45.5 Hours

Environment

Temp: -124 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,659,469 km

• M1: 176,376 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.8

Radius: 13.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.66 AU - 0.72 AU

Year: 370 Days

Day: 9.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 17,659,469 km

• M1: 170,392 km (0.1 R)
• M2: 263,442 km (0.117 R)
• M3: 355,594 km (0.061 R)
• M4: 447,148 km (0.105 R)
• M5: 545,883 km (0.034 R)
• M6: 693,985 km (0.092 R)
• M7: 791,373 km (0.082 R)
• M8: 880,832 km (0.107 R)
• M9: 996,322 km (0.047 R)
• M10: 1,108,819 km (0.06 R)
• M11: 1,208,003 km (0.112 R)
• M12: 1,338,303 km (0.036 R)
• M13: 1,486,404 km (0.078 R)
• M14: 1,574,069 km (0.113 R)
• M15: 1,772,136 km (0.069 R)
• M16: 1,907,672 km (0.04 R)
• M17: 2,039,767 km (0.107 R)
• M18: 2,178,594 km (0.103 R)
• M19: 2,373,969 km (0.119 R)
• M20: 2,470,010 km (0.088 R)
• M21: 2,583,106 km (0.052 R)
• M22: 2,702,037 km (0.046 R)
• M23: 2,814,684 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.9

Radius: 14.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.85 AU - 2.29 AU

Year: 1923 Days

Day: 7.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 17,659,469 km

• M1: 176,675 km (0.079 R)
• M2: 295,456 km (0.102 R)
• M3: 725,250 km (0.11 R)
• M4: 815,009 km (0.088 R)
• M5: 1,016,218 km (0.109 R)
• M6: 1,271,582 km (0.118 R)
• M7: 1,450,651 km (0.118 R)
• M8: 1,578,258 km (0.117 R)
• M9: 1,834,818 km (0.042 R)
• M10: 2,240,079 km (0.103 R)
• M11: 2,389,228 km (0.118 R)
• M12: 2,565,753 km (0.086 R)
• M13: 2,820,219 km (0.102 R)
• M14: 2,944,385 km (0.101 R)
• M15: 3,172,522 km (0.064 R)
• M16: 3,314,939 km (0.08 R)
• M17: 3,486,079 km (0.057 R)
• M18: 3,714,366 km (0.111 R)
• M19: 4,242,596 km (0.116 R)
• M20: 4,457,717 km (0.11 R)
• M21: 4,958,870 km (0.031 R)
• M22: 5,064,337 km (0.117 R)
• M23: 5,201,069 km (0.077 R)
• M24: 5,292,922 km (0.096 R)
• M25: 5,400,782 km (0.091 R)
• M26: 5,697,285 km (0.1 R)
• M27: 5,823,696 km (0.106 R)
• M28: 6,079,508 km (0.091 R)
• M29: 6,192,604 km (0.055 R)
• M30: 6,371,673 km (0.082 R)
• M31: 6,536,081 km (0.116 R)
• M32: 6,635,264 km (0.065 R)
• M33: 6,970,064 km (0.107 R)
• M34: 7,258,937 km (0.064 R)
• M35: 7,413,472 km (0.108 R)
• M36: 7,690,976 km (0.11 R)
• M37: 7,831,000 km (0.099 R)
• M38: 7,954,119 km (0.117 R)
• M39: 8,060,333 km (0.078 R)
• M40: 8,345,766 km (0.089 R)
• M41: 8,780,198 km (0.064 R)
• M42: 9,184,860 km (0.11 R)
• M43: 9,708,902 km (0.069 R)
• M44: 9,860,444 km (0.117 R)
• M45: 9,993,736 km (0.102 R)
• M46: 10,185,072 km (0.103 R)
• M47: 10,281,263 km (0.074 R)
• M48: 10,943,084 km (0.054 R)
• M49: 11,041,669 km (0.119 R)
• M50: 11,820,326 km (0.104 R)
• M51: 12,390,294 km (0.049 R)
• M52: 12,802,885 km (0.082 R)
• M53: 13,136,339 km (0.05 R)
• M54: 13,325,131 km (0.084 R)
• M55: 14,003,707 km (0.071 R)
• M56: 14,218,081 km (0.084 R)
• M57: 14,498,427 km (0.109 R)
• M58: 14,606,736 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 13.1

Radius: 6.8

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 8.2 AU - 8.92 AU

Year: 16171 Days

Day: 22.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 17,659,469 km

• M1: 86,168 km (0.038 R)
• M2: 134,339 km (0.114 R)
• M3: 189,989 km (0.055 R)
• M4: 311,313 km (0.06 R)
• M5: 551,268 km (0.071 R)
• M6: 615,446 km (0.113 R)
• M7: 824,284 km (0.077 R)
• M8: 1,075,160 km (0.085 R)
• M9: 1,426,715 km (0.103 R)
• M10: 1,644,679 km (0.08 R)
• M11: 1,848,880 km (0.043 R)
• M12: 1,898,098 km (0.091 R)
• M13: 2,758,585 km (0.093 R)
• M14: 3,088,747 km (0.11 R)
• M15: 3,295,791 km (0.091 R)
• M16: 3,522,880 km (0.109 R)
• M17: 3,833,445 km (0.103 R)
• M18: 4,732,229 km (0.11 R)
• M19: 4,783,093 km (0.093 R)
• M20: 4,919,676 km (0.109 R)
• M21: 5,657,343 km (0.095 R)
• M22: 5,765,502 km (0.04 R)
• M23: 6,020,716 km (0.068 R)
• M24: 6,923,389 km (0.085 R)
• M25: 7,077,924 km (0.118 R)
• M26: 7,351,239 km (0.114 R)
• M27: 7,528,662 km (0.108 R)
• M28: 7,687,535 km (0.076 R)
• M29: 8,810,118 km (0.12 R)
• M30: 8,893,743 km (0.085 R)
• M31: 8,956,724 km (0.087 R)
• M32: 9,679,880 km (0.086 R)
• M33: 9,917,890 km (0.039 R)
• M34: 9,983,115 km (0.105 R)
• M35: 10,157,695 km (0.081 R)
• M36: 10,223,518 km (0.08 R)
• M37: 10,443,727 km (0.115 R)
• M38: 10,933,809 km (0.116 R)
• M39: 11,936,265 km (0.108 R)
• M40: 12,683,655 km (0.03 R)
• M41: 13,784,546 km (0.088 R)
• M42: 14,617,657 km (0.096 R)
• M43: 15,140,352 km (0.118 R)
• M44: 15,290,847 km (0.118 R)
• M45: 15,441,791 km (0.119 R)
• M46: 16,152,830 km (0.111 R)
• M47: 16,203,993 km (0.092 R)
• M48: 17,580,443 km (0.107 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 19,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit