🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.96 AU - 2.12 AU

Year: 1098 Days

Day: 37.3 Hours

Environment

Temp: -75 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.39 AU - 4.31 AU

Year: 2846 Days

Day: 32.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 18.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,449,051 km

• M1: 151,094 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.3

Radius: 8.7

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.15 AU - 10.57 AU

Year: 11664 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,449,051 km

• M1: 108,159 km (0.095 R)
• M2: 393,442 km (0.088 R)
• M3: 1,065,586 km (0.099 R)
• M4: 1,491,790 km (0.089 R)
• M5: 2,168,571 km (0.092 R)
• M6: 3,150,382 km (0.072 R)
• M7: 3,767,024 km (0.065 R)
• M8: 4,374,242 km (0.053 R)
• M9: 4,731,930 km (0.076 R)
• M10: 6,288,496 km (0.086 R)
• M11: 6,823,308 km (0.104 R)
• M12: 7,429,778 km (0.104 R)
• M13: 9,031,822 km (0.03 R)
• M14: 9,913,701 km (0.069 R)
• M15: 10,691,610 km (0.09 R)
• M16: 13,642,279 km (0.108 R)
• M17: 17,242,052 km (0.08 R)
• M18: 19,062,957 km (0.067 R)
• M19: 28,241,385 km (0.053 R)
• M20: 33,201,901 km (0.058 R)
• M21: 43,158,986 km (0.107 R)
• M22: 44,390,326 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.4

Radius: 5.4

Gravity: 25.73 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 11.93 AU - 12.37 AU

Year: 15955 Days

Day: 21 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,449,051 km

• M1: 67,169 km (0.096 R)
• M2: 313,258 km (0.104 R)
• M3: 529,427 km (0.102 R)
• M4: 1,070,522 km (0.066 R)
• M5: 2,883,200 km (0.107 R)
• M6: 3,082,614 km (0.07 R)
• M7: 4,678,524 km (0.113 R)
• M8: 6,584,999 km (0.078 R)
• M9: 7,428,282 km (0.1 R)
• M10: 8,747,436 km (0.064 R)
• M11: 9,273,422 km (0.108 R)
• M12: 10,504,314 km (0.106 R)
• M13: 11,840,372 km (0.109 R)
• M14: 12,813,806 km (0.111 R)
• M15: 13,560,748 km (0.115 R)
• M16: 14,408,369 km (0.103 R)
• M17: 16,760,347 km (0.118 R)
• M18: 17,406,460 km (0.116 R)
• M19: 27,379,402 km (0.098 R)
• M20: 28,161,799 km (0.074 R)
• M21: 30,598,449 km (0.077 R)
• M22: 33,172,131 km (0.059 R)
• M23: 38,051,266 km (0.111 R)
• M24: 39,589,132 km (0.084 R)
• M25: 43,237,375 km (0.065 R)
• M26: 44,603,652 km (0.103 R)
• M27: 44,911,226 km (0.049 R)
• M28: 48,387,581 km (0.028 R)
• M29: 48,712,358 km (0.036 R)
• M30: 60,823,801 km (0.109 R)
• M31: 67,265,486 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.6

Radius: 7.7

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 11.77 AU - 14.27 AU

Year: 17699 Days

Day: 15.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,449,051 km

• M1: 95,743 km (0.072 R)
• M2: 386,710 km (0.108 R)
• M3: 966,851 km (0.117 R)
• M4: 1,210,546 km (0.086 R)
• M5: 1,843,195 km (0.046 R)
• M6: 2,342,553 km (0.071 R)
• M7: 2,928,827 km (0.052 R)
• M8: 3,244,329 km (0.1 R)
• M9: 3,528,715 km (0.04 R)
• M10: 4,237,958 km (0.059 R)
• M11: 4,515,462 km (0.099 R)
• M12: 5,674,995 km (0.042 R)
• M13: 6,128,127 km (0.096 R)
• M14: 6,443,479 km (0.105 R)
• M15: 6,894,816 km (0.117 R)
• M16: 7,499,491 km (0.048 R)
• M17: 8,045,373 km (0.093 R)
• M18: 8,715,572 km (0.107 R)
• M19: 11,953,618 km (0.119 R)
• M20: 12,260,293 km (0.106 R)
• M21: 13,082,184 km (0.094 R)
• M22: 18,555,671 km (0.079 R)
• M23: 18,801,760 km (0.081 R)
• M24: 31,456,393 km (0.112 R)
• M25: 31,923,886 km (0.118 R)
• M26: 33,233,466 km (0.058 R)
• M27: 33,596,690 km (0.056 R)
• M28: 36,856,727 km (0.111 R)
• M29: 37,769,274 km (0.09 R)
• M30: 39,368,325 km (0.101 R)
• M31: 40,459,193 km (0.081 R)
• M32: 42,133,043 km (0.041 R)
• M33: 44,143,639 km (0.107 R)
• M34: 48,665,683 km (0.115 R)
• M35: 49,763,582 km (0.083 R)
• M36: 54,656,330 km (0.085 R)
• M37: 58,265,827 km (0.039 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.4

Radius: 6.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 13.81 AU - 15.57 AU

Year: 21211 Days

Day: 23.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,449,051 km

• M1: 84,672 km (0.117 R)
• M2: 363,224 km (0.098 R)
• M3: 905,067 km (0.05 R)
• M4: 2,205,970 km (0.089 R)
• M5: 4,669,099 km (0.119 R)
• M6: 6,984,874 km (0.082 R)
• M7: 15,799,630 km (0.118 R)
• M8: 21,059,042 km (0.092 R)
• M9: 22,872,766 km (0.113 R)
• M10: 24,343,762 km (0.03 R)
• M11: 27,761,326 km (0.094 R)
• M12: 28,246,472 km (0.115 R)
• M13: 32,546,513 km (0.074 R)
• M14: 33,850,857 km (0.116 R)
• M15: 39,784,207 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 15,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit