🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 249 Days

Day: 18.7 Hours

Environment

Temp: -110 °C

Axial Tilt: 26.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.07 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.8

Radius: 10.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.32 AU - 1.9 AU

Year: 1319 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,520,826 km

• M1: 127,607 km (0.061 R)
• M2: 496,815 km (0.114 R)
• M3: 837,299 km (0.114 R)
• M4: 1,192,295 km (0.09 R)
• M5: 1,945,670 km (0.099 R)
• M6: 2,623,199 km (0.057 R)
• M7: 3,346,205 km (0.061 R)
• M8: 3,795,148 km (0.085 R)
• M9: 4,249,028 km (0.103 R)
• M10: 4,795,659 km (0.099 R)
• M11: 5,471,093 km (0.109 R)
• M12: 6,986,819 km (0.118 R)
• M13: 7,437,857 km (0.117 R)
• M14: 8,232,820 km (0.076 R)
• M15: 8,566,273 km (0.034 R)
• M16: 10,085,589 km (0.094 R)
• M17: 10,467,662 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.2

Radius: 12.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.57 AU - 3.41 AU

Year: 3338 Days

Day: 8.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,520,826 km

• M1: 160,967 km (0.108 R)
• M2: 799,301 km (0.075 R)
• M3: 2,362,599 km (0.112 R)
• M4: 3,237,747 km (0.052 R)
• M5: 4,421,963 km (0.106 R)
• M6: 8,284,132 km (0.113 R)
• M7: 10,401,989 km (0.081 R)
• M8: 11,051,692 km (0.11 R)
• M9: 12,305,921 km (0.086 R)
• M10: 13,032,817 km (0.112 R)
• M11: 15,386,590 km (0.112 R)
• M12: 15,829,699 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 9.1

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.6 AU - 4.02 AU

Year: 3888 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 91,520,826 km

• M1: 113,246 km (0.056 R)
• M2: 778,208 km (0.09 R)
• M3: 1,103,284 km (0.111 R)
• M4: 2,139,998 km (0.098 R)
• M5: 2,428,422 km (0.113 R)
• M6: 3,010,508 km (0.03 R)
• M7: 3,768,071 km (0.093 R)
• M8: 5,378,642 km (0.053 R)
• M9: 5,917,045 km (0.105 R)
• M10: 6,275,331 km (0.102 R)
• M11: 6,807,750 km (0.063 R)
• M12: 9,645,024 km (0.056 R)
• M13: 10,875,765 km (0.112 R)
• M14: 19,146,882 km (0.12 R)
• M15: 21,082,230 km (0.117 R)
• M16: 25,104,767 km (0.088 R)
• M17: 25,494,020 km (0.082 R)
• M18: 26,125,174 km (0.094 R)
• M19: 26,766,799 km (0.086 R)

Asteroid Belt

Center: 5.52 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84

Radius: 7.6

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.21 AU - 8.23 AU

Year: 13850 Days

Day: 22.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,520,826 km

• M1: 94,546 km (0.056 R)
• M2: 631,004 km (0.093 R)
• M3: 1,493,585 km (0.073 R)
• M4: 7,123,701 km (0.081 R)
• M5: 12,046,219 km (0.117 R)
• M6: 12,339,281 km (0.092 R)
• M7: 17,451,190 km (0.108 R)
• M8: 17,953,091 km (0.06 R)
• M9: 21,027,327 km (0.111 R)
• M10: 24,048,606 km (0.108 R)
• M11: 24,827,113 km (0.061 R)
• M12: 25,542,041 km (0.031 R)
• M13: 28,195,309 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.8

Radius: 5.8

Gravity: 16.31 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.63 AU - 9.07 AU

Year: 14201 Days

Day: 20.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,520,826 km

• M1: 72,405 km (0.105 R)
• M2: 257,907 km (0.052 R)
• M3: 535,112 km (0.09 R)
• M4: 1,117,496 km (0.083 R)
• M5: 1,318,556 km (0.093 R)
• M6: 1,499,569 km (0.106 R)
• M7: 1,811,181 km (0.065 R)
• M8: 2,280,021 km (0.102 R)
• M9: 2,564,108 km (0.108 R)
• M10: 3,106,101 km (0.061 R)
• M11: 3,327,954 km (0.109 R)
• M12: 3,534,100 km (0.09 R)
• M13: 4,476,267 km (0.104 R)
• M14: 5,647,469 km (0.114 R)
• M15: 6,168,668 km (0.117 R)
• M16: 6,926,681 km (0.086 R)
• M17: 8,108,055 km (0.054 R)
• M18: 8,293,856 km (0.069 R)
• M19: 10,043,103 km (0.118 R)
• M20: 10,751,150 km (0.092 R)
• M21: 12,885,164 km (0.067 R)
• M22: 13,202,311 km (0.098 R)
• M23: 13,852,314 km (0.085 R)
• M24: 15,929,929 km (0.054 R)
• M25: 21,038,697 km (0.091 R)
• M26: 26,729,250 km (0.089 R)
• M27: 27,245,213 km (0.086 R)
• M28: 31,385,484 km (0.039 R)
• M29: 32,191,367 km (0.113 R)
• M30: 33,247,528 km (0.033 R)
• M31: 33,964,401 km (0.077 R)
• M32: 35,428,965 km (0.119 R)
• M33: 35,676,998 km (0.026 R)
• M34: 39,940,238 km (0.093 R)
• M35: 40,478,940 km (0.096 R)
• M36: 43,245,603 km (0.095 R)
• M37: 45,988,330 km (0.086 R)
• M38: 46,877,839 km (0.111 R)
• M39: 48,386,085 km (0.067 R)
• M40: 50,551,364 km (0.105 R)
• M41: 53,919,112 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.4

Radius: 7.6

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.79 AU - 12.65 AU

Year: 22662 Days

Day: 23.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 91,520,826 km

• M1: 94,695 km (0.083 R)
• M2: 340,036 km (0.098 R)
• M3: 848,070 km (0.059 R)
• M4: 1,390,213 km (0.102 R)
• M5: 1,628,373 km (0.091 R)
• M6: 1,894,059 km (0.038 R)
• M7: 3,687,887 km (0.102 R)
• M8: 4,763,196 km (0.104 R)
• M9: 5,311,921 km (0.079 R)
• M10: 7,212,413 km (0.081 R)
• M11: 10,396,304 km (0.07 R)
• M12: 11,591,441 km (0.106 R)
• M13: 11,869,095 km (0.078 R)
• M14: 12,365,610 km (0.114 R)
• M15: 13,248,687 km (0.081 R)
• M16: 15,639,859 km (0.076 R)
• M17: 16,584,420 km (0.093 R)
• M18: 20,643,160 km (0.103 R)
• M19: 20,948,788 km (0.068 R)
• M20: 22,738,428 km (0.101 R)
• M21: 28,463,089 km (0.074 R)
• M22: 31,052,329 km (0.066 R)
• M23: 44,320,763 km (0.044 R)
• M24: 46,032,611 km (0.104 R)
• M25: 54,476,962 km (0.068 R)
• M26: 55,846,232 km (0.117 R)
• M27: 77,740,927 km (0.083 R)
• M28: 83,536,797 km (0.098 R)
• M29: 84,054,107 km (0.058 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: 336 - 18,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit