🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.45 AU - 0.65 AU

Year: 148 Days

Day: 35.6 Hours

Environment

Temp: 210 °C

Axial Tilt: 22.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.67 AU - 3.67 AU

Year: 2041 Days

Day: 31 Hours

Environment

Temp: -108 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 96,653,381 km

• M1: 453,431 km (0.03 R)
• M2: 550,221 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.5

Radius: 10.9

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.34 AU - 6.06 AU

Year: 4922 Days

Day: 8.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 96,653,381 km

• M1: 135,536 km (0.112 R)
• M2: 533,616 km (0.068 R)
• M3: 1,111,512 km (0.078 R)
• M4: 1,490,294 km (0.062 R)
• M5: 1,956,142 km (0.055 R)
• M6: 2,470,160 km (0.066 R)
• M7: 3,399,462 km (0.081 R)
• M8: 3,989,177 km (0.111 R)
• M9: 4,948,548 km (0.085 R)
• M10: 5,318,653 km (0.092 R)
• M11: 6,356,264 km (0.026 R)
• M12: 8,268,125 km (0.082 R)
• M13: 9,944,668 km (0.115 R)
• M14: 10,666,179 km (0.115 R)
• M15: 12,024,378 km (0.106 R)
• M16: 14,592,823 km (0.051 R)
• M17: 15,301,917 km (0.12 R)
• M18: 16,148,492 km (0.079 R)
• M19: 17,265,240 km (0.093 R)
• M20: 18,058,557 km (0.113 R)
• M21: 19,003,866 km (0.112 R)
• M22: 19,586,700 km (0.044 R)
• M23: 22,537,518 km (0.081 R)
• M24: 23,044,505 km (0.104 R)
• M25: 23,633,172 km (0.097 R)
• M26: 24,382,957 km (0.045 R)
• M27: 27,051,633 km (0.048 R)
• M28: 27,459,886 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.6

Radius: 10.8

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 6.84 AU - 8.94 AU

Year: 8015 Days

Day: 8.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 96,653,381 km

• M1: 134,339 km (0.061 R)
• M2: 478,713 km (0.108 R)
• M3: 1,271,432 km (0.1 R)
• M4: 2,531,645 km (0.117 R)
• M5: 4,328,166 km (0.07 R)
• M6: 5,038,456 km (0.101 R)
• M7: 5,445,063 km (0.102 R)
• M8: 7,239,490 km (0.061 R)
• M9: 7,877,225 km (0.089 R)
• M10: 11,681,051 km (0.069 R)
• M11: 12,888,455 km (0.101 R)
• M12: 14,355,412 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.4

Radius: 14.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.59 AU - 12.51 AU

Year: 13284 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 96,653,381 km

• M1: 179,069 km (0.069 R)
• M2: 1,276,967 km (0.045 R)
• M3: 1,898,995 km (0.051 R)
• M4: 3,222,637 km (0.119 R)
• M5: 5,262,255 km (0.072 R)
• M6: 6,050,037 km (0.113 R)
• M7: 6,974,103 km (0.1 R)
• M8: 9,975,186 km (0.118 R)
• M9: 11,224,328 km (0.083 R)
• M10: 13,109,261 km (0.099 R)
• M11: 14,174,697 km (0.093 R)
• M12: 18,164,473 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.1

Radius: 5.6

Gravity: 19.84 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 15.88 AU - 22.2 AU

Year: 30046 Days

Day: 20.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,653,381 km

• M1: 75,397 km (0.114 R)
• M2: 328,966 km (0.103 R)
• M3: 535,860 km (0.071 R)
• M4: 1,229,545 km (0.076 R)
• M5: 1,728,304 km (0.097 R)
• M6: 2,212,702 km (0.085 R)
• M7: 2,499,032 km (0.102 R)
• M8: 3,204,985 km (0.083 R)
• M9: 3,415,918 km (0.074 R)
• M10: 4,922,368 km (0.101 R)
• M11: 5,624,431 km (0.102 R)
• M12: 9,227,645 km (0.082 R)
• M13: 10,817,871 km (0.115 R)
• M14: 11,294,041 km (0.098 R)
• M15: 14,942,583 km (0.116 R)
• M16: 15,278,131 km (0.097 R)
• M17: 15,618,616 km (0.061 R)
• M18: 19,109,931 km (0.108 R)
• M19: 22,208,701 km (0.098 R)
• M20: 23,199,787 km (0.12 R)
• M21: 25,507,335 km (0.102 R)
• M22: 26,471,792 km (0.075 R)
• M23: 29,773,716 km (0.089 R)
• M24: 33,769,027 km (0.072 R)
• M25: 35,969,312 km (0.118 R)
• M26: 39,366,530 km (0.09 R)
• M27: 46,434,581 km (0.111 R)
• M28: 47,689,258 km (0.114 R)
• M29: 50,641,572 km (0.093 R)
• M30: 51,398,238 km (0.061 R)
• M31: 53,909,388 km (0.063 R)
• M32: 57,725,031 km (0.095 R)
• M33: 59,175,083 km (0.084 R)
• M34: 59,803,843 km (0.081 R)
• M35: 66,790,363 km (0.076 R)
• M36: 70,949,633 km (0.086 R)
• M37: 78,764,177 km (0.11 R)
• M38: 81,061,102 km (0.108 R)
• M39: 87,674,824 km (0.078 R)
• M40: 87,946,643 km (0.054 R)

Kuiper Belt

Range: 30.3 - 58.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 552 - 15,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit