🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.9

Radius: 14.9

Gravity: 1.65 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.72 AU - 0.82 AU

Year: 451 Days

Day: 14.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,364,321 km

• M1: 185,352 km (0.076 R)
• M2: 649,554 km (0.101 R)
• M3: 1,114,803 km (0.029 R)
• M4: 1,998,777 km (0.096 R)
• M5: 3,075,283 km (0.102 R)
• M6: 4,121,721 km (0.117 R)
• M7: 4,659,525 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.6

Radius: 9.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.8 AU - 0.96 AU

Year: 550 Days

Day: 8.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 70.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,364,321 km

• M1: 123,119 km (0.103 R)
• M2: 432,188 km (0.1 R)
• M3: 793,467 km (0.082 R)
• M4: 1,109,119 km (0.116 R)
• M5: 1,551,629 km (0.09 R)
• M6: 1,904,830 km (0.077 R)
• M7: 2,517,732 km (0.091 R)
• M8: 2,945,283 km (0.035 R)
• M9: 4,355,991 km (0.057 R)
• M10: 5,068,226 km (0.113 R)
• M11: 5,452,693 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530

Radius: 13.1

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.79 AU - 1.01 AU

Year: 569 Days

Day: 8.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,364,321 km

• M1: 162,912 km (0.092 R)
• M2: 646,861 km (0.097 R)
• M3: 1,548,188 km (0.11 R)
• M4: 2,005,060 km (0.052 R)
• M5: 2,562,761 km (0.071 R)
• M6: 3,028,011 km (0.072 R)
• M7: 3,562,524 km (0.051 R)
• M8: 4,344,173 km (0.115 R)
• M9: 5,851,222 km (0.075 R)
• M10: 6,380,200 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.8

Radius: 9.2

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.01 AU - 1.27 AU

Year: 812 Days

Day: 14 Hours

Environment

Temp: -182 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,364,321 km

• M1: 114,442 km (0.081 R)
• M2: 402,119 km (0.117 R)
• M3: 751,729 km (0.083 R)
• M4: 1,262,756 km (0.091 R)
• M5: 1,563,747 km (0.102 R)
• M6: 2,019,870 km (0.073 R)
• M7: 2,488,710 km (0.119 R)
• M8: 2,909,978 km (0.11 R)
• M9: 3,263,178 km (0.083 R)
• M10: 3,713,618 km (0.051 R)
• M11: 4,235,265 km (0.115 R)
• M12: 4,838,145 km (0.11 R)
• M13: 5,569,978 km (0.118 R)
• M14: 5,962,672 km (0.112 R)
• M15: 6,373,767 km (0.069 R)
• M16: 7,015,093 km (0.111 R)
• M17: 7,384,600 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.6

Radius: 13.3

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.71 AU - 2.37 AU

Year: 1943 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,364,321 km

• M1: 177,872 km (0.1 R)
• M2: 627,563 km (0.069 R)
• M3: 1,128,716 km (0.118 R)
• M4: 1,989,053 km (0.091 R)
• M5: 2,602,405 km (0.102 R)
• M6: 3,031,451 km (0.119 R)
• M7: 3,737,553 km (0.078 R)
• M8: 4,212,377 km (0.104 R)
• M9: 4,694,980 km (0.084 R)
• M10: 5,284,395 km (0.054 R)
• M11: 6,075,918 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.8

Radius: 13.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.08 AU - 3.36 AU

Year: 3853 Days

Day: 6.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,364,321 km

• M1: 172,935 km (0.101 R)
• M2: 642,523 km (0.078 R)
• M3: 1,241,214 km (0.111 R)
• M4: 1,712,297 km (0.049 R)
• M5: 2,332,829 km (0.098 R)
• M6: 2,768,608 km (0.102 R)
• M7: 3,768,819 km (0.058 R)
• M8: 5,368,469 km (0.093 R)
• M9: 6,392,317 km (0.046 R)
• M10: 7,227,223 km (0.071 R)
• M11: 7,703,692 km (0.079 R)
• M12: 9,114,400 km (0.096 R)
• M13: 12,220,052 km (0.08 R)
• M14: 13,223,554 km (0.073 R)
• M15: 15,187,924 km (0.115 R)
• M16: 16,783,984 km (0.059 R)
• M17: 20,370,144 km (0.095 R)
• M18: 21,389,354 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 863.4

Radius: 3.1

Gravity: 89.84 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.85 AU - 7.45 AU

Year: 10170 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 163.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,364,321 km

• M1: 38,596 km (0.116 R)
• M2: 138,378 km (0.032 R)
• M3: 489,335 km (0.052 R)
• M4: 743,950 km (0.115 R)
• M5: 1,045,689 km (0.077 R)
• M6: 2,059,065 km (0.032 R)
• M7: 2,205,970 km (0.054 R)
• M8: 2,909,828 km (0.071 R)
• M9: 4,286,428 km (0.055 R)
• M10: 4,405,358 km (0.071 R)
• M11: 4,526,383 km (0.119 R)
• M12: 5,000,010 km (0.111 R)
• M13: 6,119,600 km (0.114 R)
• M14: 7,567,109 km (0.036 R)
• M15: 8,232,221 km (0.066 R)
• M16: 8,887,460 km (0.036 R)
• M17: 9,779,961 km (0.117 R)
• M18: 14,144,927 km (0.095 R)
• M19: 15,846,753 km (0.118 R)
• M20: 20,815,347 km (0.105 R)
• M21: 21,328,318 km (0.079 R)
• M22: 22,557,863 km (0.101 R)
• M23: 23,099,108 km (0.076 R)
• M24: 24,301,277 km (0.112 R)
• M25: 28,469,223 km (0.098 R)
• M26: 29,742,001 km (0.083 R)
• M27: 31,609,432 km (0.108 R)
• M28: 31,946,775 km (0.097 R)
• M29: 36,308,301 km (0.096 R)
• M30: 37,300,883 km (0.053 R)
• M31: 44,477,691 km (0.042 R)
• M32: 47,060,199 km (0.093 R)
• M33: 49,892,685 km (0.036 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 496 - 11,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit