🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.55 AU - 0.75 AU

Year: 190 Days

Day: 40 Hours

Environment

Temp: 155 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.61 AU - 0.77 AU

Year: 207 Days

Day: 46 Hours

Environment

Temp: 175 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,393,214 km

• M1: 424,260 km (0.07 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.68 AU - 1.92 AU

Year: 873 Days

Day: 24.8 Hours

Environment

Temp: -57 °C

Axial Tilt: 31.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,393,214 km

• M1: 229,633 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.1

Radius: 9.9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.52 AU - 7.24 AU

Year: 6526 Days

Day: 12.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 105,393,214 km

• M1: 123,119 km (0.102 R)
• M2: 580,290 km (0.1 R)
• M3: 1,237,623 km (0.089 R)
• M4: 1,565,542 km (0.063 R)
• M5: 2,255,637 km (0.079 R)
• M6: 2,715,949 km (0.092 R)
• M7: 4,158,522 km (0.109 R)
• M8: 4,773,219 km (0.096 R)
• M9: 5,535,720 km (0.072 R)
• M10: 7,482,885 km (0.118 R)
• M11: 12,466,739 km (0.111 R)
• M12: 13,361,932 km (0.093 R)
• M13: 15,220,985 km (0.107 R)
• M14: 19,376,365 km (0.088 R)
• M15: 21,084,773 km (0.107 R)
• M16: 21,452,933 km (0.09 R)
• M17: 22,126,423 km (0.068 R)
• M18: 22,813,974 km (0.092 R)
• M19: 23,594,576 km (0.053 R)
• M20: 25,126,608 km (0.061 R)
• M21: 25,791,122 km (0.11 R)
• M22: 26,212,389 km (0.061 R)
• M23: 30,119,736 km (0.096 R)
• M24: 30,493,132 km (0.094 R)
• M25: 31,631,871 km (0.065 R)
• M26: 32,309,101 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.2

Radius: 8.9

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.01 AU - 7.93 AU

Year: 7384 Days

Day: 7.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 105,393,214 km

• M1: 110,702 km (0.062 R)
• M2: 497,263 km (0.107 R)
• M3: 933,491 km (0.092 R)
• M4: 1,245,552 km (0.032 R)
• M5: 1,574,368 km (0.09 R)
• M6: 2,847,296 km (0.106 R)
• M7: 4,055,000 km (0.107 R)
• M8: 4,561,987 km (0.052 R)
• M9: 5,447,906 km (0.113 R)
• M10: 6,550,143 km (0.101 R)
• M11: 8,036,697 km (0.079 R)
• M12: 9,597,451 km (0.083 R)
• M13: 11,767,817 km (0.089 R)
• M14: 12,412,285 km (0.095 R)
• M15: 13,250,781 km (0.082 R)
• M16: 14,007,447 km (0.106 R)
• M17: 15,992,910 km (0.113 R)
• M18: 16,783,535 km (0.117 R)
• M19: 17,669,304 km (0.114 R)
• M20: 20,976,613 km (0.028 R)
• M21: 23,230,455 km (0.099 R)
• M22: 25,909,005 km (0.08 R)
• M23: 27,368,930 km (0.088 R)
• M24: 28,119,014 km (0.102 R)
• M25: 28,979,352 km (0.072 R)
• M26: 32,596,478 km (0.046 R)
• M27: 33,439,313 km (0.108 R)
• M28: 34,404,817 km (0.054 R)
• M29: 37,298,340 km (0.066 R)
• M30: 37,988,434 km (0.056 R)
• M31: 38,336,549 km (0.06 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 796.7

Radius: 7.1

Gravity: 15.8 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 12.49 AU - 15.02 AU

Year: 18439 Days

Day: 18.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 105,393,214 km

• M1: 88,412 km (0.108 R)
• M2: 364,869 km (0.105 R)
• M3: 840,740 km (0.106 R)
• M4: 1,513,332 km (0.12 R)
• M5: 1,896,901 km (0.097 R)
• M6: 2,387,732 km (0.101 R)
• M7: 3,650,188 km (0.1 R)
• M8: 4,209,983 km (0.104 R)
• M9: 5,080,643 km (0.082 R)
• M10: 5,697,585 km (0.116 R)
• M11: 6,850,386 km (0.088 R)
• M12: 7,362,010 km (0.069 R)
• M13: 8,357,135 km (0.12 R)
• M14: 9,896,946 km (0.089 R)
• M15: 10,369,526 km (0.042 R)
• M16: 13,671,301 km (0.109 R)
• M17: 15,323,609 km (0.113 R)
• M18: 19,109,931 km (0.071 R)
• M19: 19,935,412 km (0.075 R)
• M20: 22,554,871 km (0.039 R)
• M21: 24,959,956 km (0.058 R)
• M22: 25,285,780 km (0.075 R)
• M23: 32,156,810 km (0.105 R)
• M24: 32,413,670 km (0.106 R)
• M25: 38,273,718 km (0.083 R)
• M26: 38,852,213 km (0.109 R)
• M27: 44,962,388 km (0.074 R)
• M28: 48,244,565 km (0.068 R)
• M29: 61,578,074 km (0.098 R)
• M30: 62,972,476 km (0.045 R)
• M31: 72,884,681 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.2

Radius: 5.2

Gravity: 32.26 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 14.64 AU - 22.46 AU

Year: 28894 Days

Day: 15.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 105,393,214 km

• M1: 65,075 km (0.116 R)
• M2: 520,750 km (0.113 R)
• M3: 1,026,241 km (0.074 R)
• M4: 1,539,063 km (0.041 R)
• M5: 1,730,249 km (0.074 R)
• M6: 1,937,292 km (0.091 R)
• M7: 2,633,521 km (0.106 R)
• M8: 3,419,957 km (0.069 R)
• M9: 4,241,100 km (0.111 R)
• M10: 4,427,499 km (0.116 R)
• M11: 5,313,866 km (0.098 R)
• M12: 5,798,713 km (0.084 R)
• M13: 7,647,443 km (0.082 R)
• M14: 12,155,425 km (0.1 R)
• M15: 12,380,720 km (0.094 R)
• M16: 13,151,897 km (0.113 R)
• M17: 15,657,063 km (0.073 R)
• M18: 18,168,512 km (0.032 R)
• M19: 18,961,231 km (0.103 R)
• M20: 19,776,839 km (0.045 R)
• M21: 21,043,633 km (0.068 R)
• M22: 21,477,766 km (0.112 R)
• M23: 21,696,927 km (0.076 R)
• M24: 31,319,960 km (0.098 R)
• M25: 32,314,337 km (0.108 R)
• M26: 35,576,618 km (0.109 R)
• M27: 38,403,718 km (0.112 R)
• M28: 43,969,058 km (0.114 R)
• M29: 48,714,901 km (0.117 R)
• M30: 54,398,423 km (0.098 R)
• M31: 60,290,186 km (0.049 R)
• M32: 65,897,712 km (0.101 R)
• M33: 70,868,700 km (0.11 R)
• M34: 78,914,971 km (0.109 R)
• M35: 93,252,581 km (0.114 R)
• M36: 98,291,486 km (0.1 R)

Kuiper Belt

Range: 30.3 - 54.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 10,902 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit