🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.7

Radius: 11.9

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.64 AU - 0.8 AU

Year: 394 Days

Day: 7.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 107.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,460,335 km

• M1: 148,102 km (0.115 R)
• M2: 789,129 km (0.116 R)
• M3: 1,230,592 km (0.1 R)
• M4: 1,740,571 km (0.108 R)
• M5: 2,362,300 km (0.111 R)
• M6: 2,824,109 km (0.076 R)
• M7: 3,310,900 km (0.072 R)
• M8: 4,119,327 km (0.115 R)
• M9: 4,658,926 km (0.079 R)
• M10: 5,440,426 km (0.046 R)
• M11: 6,020,417 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 11.5

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.05 AU - 1.61 AU

Year: 990 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,460,335 km

• M1: 143,614 km (0.067 R)
• M2: 667,954 km (0.11 R)
• M3: 1,054,665 km (0.088 R)
• M4: 2,202,829 km (0.119 R)
• M5: 2,802,267 km (0.076 R)
• M6: 3,564,468 km (0.08 R)
• M7: 3,939,959 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.5

Radius: 11.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.6 AU - 2.14 AU

Year: 1651 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,460,335 km

• M1: 144,212 km (0.107 R)
• M2: 597,045 km (0.072 R)
• M3: 1,133,353 km (0.108 R)
• M4: 1,498,372 km (0.057 R)
• M5: 2,719,839 km (0.048 R)
• M6: 3,107,597 km (0.025 R)
• M7: 3,532,155 km (0.111 R)
• M8: 4,026,875 km (0.089 R)
• M9: 4,550,468 km (0.117 R)
• M10: 5,459,574 km (0.11 R)
• M11: 6,617,013 km (0.079 R)
• M12: 7,395,670 km (0.108 R)
• M13: 7,758,146 km (0.074 R)
• M14: 8,466,791 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.1

Radius: 12.6

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.91 AU - 2.75 AU

Year: 2296 Days

Day: 7 Hours

Environment

Temp: -190 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,460,335 km

• M1: 156,629 km (0.044 R)
• M2: 583,581 km (0.118 R)
• M3: 1,065,586 km (0.115 R)
• M4: 1,737,878 km (0.091 R)
• M5: 2,187,719 km (0.111 R)
• M6: 3,069,898 km (0.095 R)
• M7: 3,857,979 km (0.093 R)
• M8: 4,392,941 km (0.089 R)
• M9: 5,733,787 km (0.093 R)
• M10: 6,150,866 km (0.085 R)
• M11: 6,791,893 km (0.104 R)
• M12: 7,379,813 km (0.097 R)
• M13: 7,798,687 km (0.106 R)
• M14: 9,321,294 km (0.047 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 743.6

Radius: 7.9

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.53 AU - 7.15 AU

Year: 11550 Days

Day: 22.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,460,335 km

• M1: 131,497 km (0.11 R)
• M2: 518,506 km (0.085 R)
• M3: 1,163,722 km (0.1 R)
• M4: 1,619,098 km (0.093 R)
• M5: 2,043,657 km (0.035 R)
• M6: 2,561,265 km (0.04 R)
• M7: 4,166,450 km (0.086 R)
• M8: 5,298,906 km (0.072 R)
• M9: 7,069,846 km (0.057 R)
• M10: 7,492,310 km (0.075 R)
• M11: 7,976,259 km (0.1 R)
• M12: 8,295,052 km (0.103 R)
• M13: 9,055,608 km (0.073 R)
• M14: 9,352,560 km (0.047 R)
• M15: 9,604,931 km (0.117 R)
• M16: 11,674,468 km (0.092 R)
• M17: 12,264,931 km (0.086 R)
• M18: 12,567,568 km (0.105 R)
• M19: 13,893,453 km (0.092 R)
• M20: 15,661,251 km (0.113 R)
• M21: 18,745,511 km (0.113 R)
• M22: 19,802,270 km (0.078 R)
• M23: 20,812,654 km (0.118 R)
• M24: 23,118,705 km (0.088 R)
• M25: 23,955,257 km (0.115 R)
• M26: 25,101,775 km (0.109 R)
• M27: 25,491,926 km (0.085 R)
• M28: 28,337,277 km (0.075 R)
• M29: 43,781,014 km (0.113 R)
• M30: 45,060,225 km (0.105 R)
• M31: 47,692,848 km (0.091 R)
• M32: 49,963,744 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155.5

Radius: 5.8

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.48 AU - 9.14 AU

Year: 16884 Days

Day: 17.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,460,335 km

• M1: 72,405 km (0.062 R)
• M2: 1,293,274 km (0.076 R)
• M3: 3,249,266 km (0.114 R)
• M4: 3,694,768 km (0.079 R)
• M5: 5,370,863 km (0.059 R)
• M6: 9,011,925 km (0.075 R)
• M7: 16,172,876 km (0.1 R)
• M8: 18,240,618 km (0.104 R)
• M9: 28,180,948 km (0.119 R)
• M10: 29,545,579 km (0.057 R)
• M11: 31,882,149 km (0.071 R)
• M12: 37,729,331 km (0.095 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 177 - 17,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit