🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.59 AU - 0.97 AU

Year: 292 Days

Day: 16.9 Hours

Environment

Temp: -18 °C

Axial Tilt: 25.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 58,545,107 km

• M1: 25,731 km (0.1 R)

Asteroid Belt

Center: 1.61 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.4 AU - 2.46 AU

Year: 1608 Days

Day: 30 Hours

Environment

Temp: -136 °C

Axial Tilt: 24 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.3

Radius: 9.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.84 AU - 2.96 AU

Year: 2097 Days

Day: 5.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,545,107 km

• M1: 121,922 km (0.104 R)
• M2: 436,377 km (0.078 R)
• M3: 1,012,179 km (0.041 R)
• M4: 1,416,692 km (0.117 R)
• M5: 1,824,944 km (0.077 R)
• M6: 2,193,404 km (0.107 R)
• M7: 2,995,398 km (0.114 R)
• M8: 3,385,400 km (0.086 R)
• M9: 4,231,525 km (0.084 R)
• M10: 5,892,810 km (0.092 R)
• M11: 7,061,618 km (0.106 R)
• M12: 7,510,711 km (0.088 R)
• M13: 7,978,653 km (0.044 R)
• M14: 8,466,043 km (0.032 R)
• M15: 9,156,886 km (0.091 R)
• M16: 10,179,986 km (0.11 R)
• M17: 11,171,371 km (0.109 R)
• M18: 12,076,587 km (0.045 R)
• M19: 12,642,815 km (0.077 R)
• M20: 13,345,476 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723

Radius: 13.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.46 AU - 3.64 AU

Year: 2262 Days

Day: 14.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 58,545,107 km

• M1: 165,455 km (0.073 R)
• M2: 650,003 km (0.104 R)
• M3: 1,111,961 km (0.102 R)
• M4: 1,632,861 km (0.065 R)
• M5: 2,718,642 km (0.115 R)
• M6: 3,814,746 km (0.074 R)
• M7: 4,611,354 km (0.026 R)
• M8: 6,139,646 km (0.087 R)
• M9: 6,782,019 km (0.096 R)
• M10: 13,737,124 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.3

Radius: 8.8

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.91 AU - 5.79 AU

Year: 5254 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,545,107 km

• M1: 110,254 km (0.113 R)
• M2: 555,158 km (0.035 R)
• M3: 883,974 km (0.11 R)
• M4: 1,374,056 km (0.103 R)
• M5: 1,676,394 km (0.106 R)
• M6: 2,010,296 km (0.099 R)
• M7: 2,329,538 km (0.104 R)
• M8: 2,764,120 km (0.118 R)
• M9: 3,497,598 km (0.086 R)
• M10: 4,773,070 km (0.067 R)
• M11: 5,397,940 km (0.069 R)
• M12: 6,964,230 km (0.102 R)
• M13: 9,636,048 km (0.104 R)
• M14: 10,715,845 km (0.119 R)
• M15: 13,937,884 km (0.09 R)
• M16: 15,211,111 km (0.088 R)
• M17: 17,065,078 km (0.076 R)
• M18: 19,187,124 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 13.1

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.17 AU - 10.25 AU

Year: 9988 Days

Day: 7.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 58,545,107 km

• M1: 162,912 km (0.102 R)
• M2: 1,505,553 km (0.108 R)
• M3: 1,953,150 km (0.034 R)
• M4: 2,968,770 km (0.102 R)
• M5: 6,504,665 km (0.095 R)
• M6: 10,164,427 km (0.109 R)
• M7: 11,453,363 km (0.054 R)
• M8: 17,047,575 km (0.054 R)
• M9: 19,899,060 km (0.066 R)
• M10: 20,555,047 km (0.084 R)
• M11: 21,140,872 km (0.115 R)
• M12: 28,033,444 km (0.075 R)
• M13: 32,544,867 km (0.051 R)
• M14: 38,646,815 km (0.084 R)
• M15: 43,113,358 km (0.1 R)
• M16: 43,935,847 km (0.079 R)
• M17: 44,908,533 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 15

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 8.74 AU - 10.38 AU

Year: 12551 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,545,107 km

• M1: 186,698 km (0.08 R)
• M2: 662,270 km (0.084 R)
• M3: 1,596,060 km (0.082 R)
• M4: 2,467,617 km (0.041 R)
• M5: 3,384,203 km (0.108 R)
• M6: 4,076,841 km (0.104 R)
• M7: 6,819,269 km (0.093 R)
• M8: 7,974,763 km (0.04 R)
• M9: 9,059,049 km (0.106 R)
• M10: 10,026,947 km (0.115 R)
• M11: 16,665,053 km (0.086 R)
• M12: 17,190,890 km (0.116 R)
• M13: 17,727,796 km (0.108 R)
• M14: 18,355,210 km (0.089 R)
• M15: 21,363,623 km (0.1 R)
• M16: 22,984,965 km (0.092 R)
• M17: 29,417,224 km (0.102 R)
• M18: 30,075,754 km (0.062 R)
• M19: 31,195,046 km (0.094 R)
• M20: 33,516,805 km (0.112 R)
• M21: 36,958,004 km (0.089 R)
• M22: 39,290,684 km (0.083 R)
• M23: 42,551,469 km (0.1 R)
• M24: 46,579,092 km (0.106 R)
• M25: 48,228,708 km (0.053 R)
• M26: 50,384,114 km (0.074 R)
• M27: 51,011,528 km (0.068 R)
• M28: 52,442,431 km (0.06 R)
• M29: 53,248,764 km (0.062 R)
• M30: 54,556,249 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 346.1

Radius: 4.7

Gravity: 15.67 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 10.7 AU - 14.5 AU

Year: 18990 Days

Day: 18.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 58,545,107 km

• M1: 58,493 km (0.076 R)
• M2: 972,237 km (0.107 R)
• M3: 1,196,933 km (0.118 R)
• M4: 1,370,017 km (0.099 R)
• M5: 1,606,232 km (0.089 R)
• M6: 2,103,496 km (0.109 R)
• M7: 2,631,127 km (0.111 R)
• M8: 4,773,668 km (0.097 R)
• M9: 5,388,067 km (0.106 R)
• M10: 6,287,000 km (0.113 R)
• M11: 7,413,173 km (0.052 R)
• M12: 9,166,011 km (0.103 R)
• M13: 9,630,812 km (0.104 R)
• M14: 15,462,286 km (0.082 R)
• M15: 16,269,068 km (0.098 R)
• M16: 18,774,982 km (0.117 R)
• M17: 20,727,234 km (0.109 R)
• M18: 21,797,607 km (0.083 R)
• M19: 22,346,481 km (0.08 R)
• M20: 24,145,096 km (0.115 R)
• M21: 27,388,528 km (0.062 R)
• M22: 30,910,959 km (0.094 R)
• M23: 32,661,404 km (0.092 R)
• M24: 36,230,660 km (0.114 R)
• M25: 37,389,145 km (0.06 R)
• M26: 39,915,405 km (0.1 R)
• M27: 41,428,886 km (0.107 R)
• M28: 43,553,625 km (0.102 R)
• M29: 43,987,160 km (0.1 R)
• M30: 45,452,919 km (0.104 R)
• M31: 52,616,413 km (0.043 R)
• M32: 54,434,327 km (0.065 R)
• M33: 55,782,353 km (0.087 R)
• M34: 57,152,670 km (0.086 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 14,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit