🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 12.6

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.75 AU - 1.01 AU

Year: 570 Days

Day: 12.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,153,893 km

• M1: 156,928 km (0.102 R)
• M2: 796,010 km (0.088 R)
• M3: 1,201,720 km (0.094 R)
• M4: 1,757,476 km (0.108 R)
• M5: 2,604,050 km (0.117 R)
• M6: 3,616,080 km (0.1 R)
• M7: 4,294,356 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55

Radius: 13.8

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.84 AU - 1.86 AU

Year: 1737 Days

Day: 5.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,153,893 km

• M1: 176,675 km (0.101 R)
• M2: 655,987 km (0.087 R)
• M3: 2,793,890 km (0.119 R)
• M4: 3,452,420 km (0.101 R)
• M5: 4,426,900 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.8

Radius: 8.6

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.81 AU - 1.97 AU

Year: 1794 Days

Day: 14 Hours

Environment

Temp: -190 °C

Axial Tilt: 135.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,153,893 km

• M1: 106,962 km (0.115 R)
• M2: 411,544 km (0.11 R)
• M3: 816,954 km (0.119 R)
• M4: 1,131,259 km (0.049 R)
• M5: 1,488,948 km (0.102 R)
• M6: 1,800,710 km (0.102 R)
• M7: 2,813,637 km (0.073 R)
• M8: 3,775,701 km (0.106 R)
• M9: 4,482,102 km (0.104 R)
• M10: 5,139,435 km (0.065 R)
• M11: 5,596,756 km (0.114 R)
• M12: 6,031,188 km (0.092 R)
• M13: 6,333,226 km (0.078 R)
• M14: 7,357,074 km (0.031 R)
• M15: 8,771,222 km (0.119 R)
• M16: 9,970,848 km (0.112 R)
• M17: 10,394,060 km (0.094 R)
• M18: 11,504,525 km (0.071 R)
• M19: 15,217,095 km (0.049 R)
• M20: 16,064,119 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 13.6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.89 AU - 2.19 AU

Year: 2011 Days

Day: 13.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,153,893 km

• M1: 169,195 km (0.066 R)
• M2: 660,026 km (0.066 R)
• M3: 1,298,809 km (0.099 R)
• M4: 1,825,842 km (0.054 R)
• M5: 3,050,600 km (0.086 R)
• M6: 3,634,181 km (0.062 R)
• M7: 4,391,894 km (0.117 R)
• M8: 5,161,875 km (0.115 R)
• M9: 6,806,254 km (0.068 R)
• M10: 8,424,754 km (0.12 R)
• M11: 9,006,540 km (0.047 R)
• M12: 10,035,773 km (0.088 R)
• M13: 10,579,113 km (0.11 R)
• M14: 11,724,883 km (0.099 R)
• M15: 13,292,968 km (0.112 R)
• M16: 14,127,724 km (0.119 R)
• M17: 15,137,509 km (0.079 R)
• M18: 15,804,716 km (0.096 R)
• M19: 16,342,670 km (0.081 R)
• M20: 17,045,181 km (0.088 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452.9

Radius: 8

Gravity: 7.08 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.04 AU - 8.2 AU

Year: 11757 Days

Day: 16.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,153,893 km

• M1: 100,231 km (0.078 R)
• M2: 412,890 km (0.087 R)
• M3: 842,236 km (0.093 R)
• M4: 1,365,380 km (0.089 R)
• M5: 2,375,165 km (0.115 R)
• M6: 3,764,182 km (0.117 R)
• M7: 4,887,961 km (0.114 R)
• M8: 5,200,770 km (0.084 R)
• M9: 7,207,326 km (0.05 R)
• M10: 8,382,717 km (0.109 R)
• M11: 9,975,784 km (0.075 R)
• M12: 12,040,534 km (0.077 R)
• M13: 12,381,767 km (0.1 R)
• M14: 14,565,896 km (0.065 R)
• M15: 18,605,188 km (0.087 R)
• M16: 29,933,038 km (0.109 R)
• M17: 32,055,682 km (0.084 R)
• M18: 35,077,709 km (0.092 R)
• M19: 38,284,339 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.3

Radius: 8

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.14 AU - 11.46 AU

Year: 19577 Days

Day: 23.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,153,893 km

• M1: 103,971 km (0.044 R)
• M2: 487,091 km (0.062 R)
• M3: 1,364,931 km (0.104 R)
• M4: 1,766,900 km (0.068 R)
• M5: 2,538,227 km (0.113 R)
• M6: 4,031,663 km (0.105 R)
• M7: 5,211,092 km (0.11 R)
• M8: 6,774,390 km (0.106 R)
• M9: 7,165,289 km (0.087 R)
• M10: 10,971,957 km (0.065 R)
• M11: 12,578,638 km (0.083 R)
• M12: 14,764,263 km (0.041 R)
• M13: 18,499,123 km (0.069 R)
• M14: 21,311,713 km (0.113 R)
• M15: 24,904,904 km (0.101 R)
• M16: 26,151,802 km (0.11 R)
• M17: 29,222,448 km (0.055 R)
• M18: 29,794,959 km (0.076 R)
• M19: 30,609,071 km (0.09 R)
• M20: 32,160,101 km (0.119 R)
• M21: 36,727,624 km (0.065 R)
• M22: 43,762,912 km (0.068 R)
• M23: 45,270,260 km (0.076 R)
• M24: 50,162,260 km (0.113 R)
• M25: 52,314,675 km (0.116 R)
• M26: 52,651,120 km (0.098 R)
• M27: 55,570,074 km (0.101 R)
• M28: 57,158,205 km (0.11 R)
• M29: 60,240,220 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374

Radius: 6.6

Gravity: 8.59 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.11 AU - 10.05 AU

Year: 20467 Days

Day: 17.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,153,893 km

• M1: 97,089 km (0.046 R)
• M2: 386,561 km (0.083 R)
• M3: 700,268 km (0.116 R)
• M4: 921,672 km (0.055 R)
• M5: 1,422,676 km (0.094 R)
• M6: 1,785,002 km (0.12 R)
• M7: 1,997,580 km (0.037 R)
• M8: 3,355,181 km (0.055 R)
• M9: 3,737,703 km (0.028 R)
• M10: 4,303,033 km (0.073 R)
• M11: 4,788,329 km (0.045 R)
• M12: 5,309,528 km (0.112 R)
• M13: 5,791,233 km (0.096 R)
• M14: 7,322,217 km (0.072 R)
• M15: 10,124,335 km (0.07 R)
• M16: 14,327,886 km (0.036 R)
• M17: 14,681,685 km (0.072 R)
• M18: 17,806,036 km (0.047 R)
• M19: 18,132,608 km (0.117 R)
• M20: 22,466,010 km (0.093 R)
• M21: 26,478,225 km (0.094 R)
• M22: 30,359,691 km (0.091 R)
• M23: 32,374,774 km (0.117 R)
• M24: 36,015,538 km (0.037 R)
• M25: 38,407,309 km (0.074 R)
• M26: 41,471,971 km (0.083 R)
• M27: 46,522,694 km (0.103 R)
• M28: 48,082,850 km (0.071 R)
• M29: 56,408,720 km (0.116 R)
• M30: 59,082,033 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 469 - 18,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit