🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.87 AU - 1.11 AU

Year: 356 Days

Day: 28.9 Hours

Environment

Temp: 50 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 92,565,126 km

• M1: 14,810 km (0.073 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.2 AU - 1.68 AU

Year: 625 Days

Day: 37.8 Hours

Environment

Temp: -37 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.77

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.15 AU - 3.77 AU

Year: 2328 Days

Day: 15.8 Hours

Environment

Temp: -104 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3 AU - 4.1 AU

Year: 2419 Days

Day: 23.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 130.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.5

Radius: 11.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.28 AU - 5.62 AU

Year: 4601 Days

Day: 9.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,565,126 km

• M1: 141,220 km (0.105 R)
• M2: 525,238 km (0.049 R)
• M3: 1,374,356 km (0.097 R)
• M4: 2,035,877 km (0.1 R)
• M5: 2,570,989 km (0.103 R)
• M6: 3,237,148 km (0.115 R)
• M7: 4,060,535 km (0.114 R)
• M8: 5,650,012 km (0.11 R)
• M9: 6,648,728 km (0.119 R)
• M10: 8,012,312 km (0.104 R)
• M11: 8,645,261 km (0.083 R)
• M12: 9,151,500 km (0.115 R)
• M13: 9,554,367 km (0.043 R)
• M14: 10,526,005 km (0.052 R)
• M15: 11,103,752 km (0.088 R)
• M16: 11,655,619 km (0.091 R)
• M17: 12,225,736 km (0.074 R)
• M18: 16,278,492 km (0.082 R)
• M19: 17,294,262 km (0.113 R)
• M20: 21,218,962 km (0.085 R)
• M21: 26,100,490 km (0.072 R)
• M22: 28,672,526 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.5

Radius: 14.2

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 6.38 AU - 7.8 AU

Year: 6827 Days

Day: 5.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,565,126 km

• M1: 177,423 km (0.048 R)
• M2: 976,126 km (0.076 R)
• M3: 1,679,535 km (0.092 R)
• M4: 2,141,194 km (0.082 R)
• M5: 3,396,769 km (0.081 R)
• M6: 3,869,648 km (0.118 R)
• M7: 4,332,953 km (0.089 R)
• M8: 6,788,751 km (0.115 R)
• M9: 7,506,073 km (0.117 R)
• M10: 8,828,219 km (0.083 R)
• M11: 9,407,761 km (0.115 R)
• M12: 10,012,735 km (0.11 R)
• M13: 11,877,622 km (0.111 R)
• M14: 14,324,894 km (0.048 R)
• M15: 14,814,827 km (0.09 R)
• M16: 20,120,764 km (0.086 R)
• M17: 20,969,882 km (0.117 R)
• M18: 24,260,436 km (0.102 R)
• M19: 24,782,084 km (0.1 R)
• M20: 30,620,141 km (0.114 R)
• M21: 32,894,627 km (0.048 R)
• M22: 37,662,162 km (0.033 R)
• M23: 40,149,825 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.4

Radius: 7.1

Gravity: 12.96 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 13.78 AU - 20.94 AU

Year: 26159 Days

Day: 23.9 Hours

Environment

Temp: -189 °C

Axial Tilt: 156.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 92,565,126 km

• M1: 88,412 km (0.083 R)
• M2: 408,851 km (0.058 R)
• M3: 1,080,695 km (0.105 R)
• M4: 1,537,567 km (0.105 R)
• M5: 1,830,180 km (0.085 R)
• M6: 2,116,660 km (0.089 R)
• M7: 3,827,462 km (0.104 R)
• M8: 5,155,591 km (0.098 R)
• M9: 5,945,468 km (0.12 R)
• M10: 6,166,275 km (0.098 R)
• M11: 7,403,898 km (0.116 R)
• M12: 9,800,904 km (0.102 R)
• M13: 12,170,086 km (0.025 R)
• M14: 12,817,097 km (0.116 R)
• M15: 13,336,201 km (0.11 R)
• M16: 14,977,290 km (0.076 R)
• M17: 15,973,313 km (0.033 R)
• M18: 20,601,422 km (0.108 R)
• M19: 20,904,507 km (0.054 R)
• M20: 22,147,067 km (0.045 R)
• M21: 22,465,112 km (0.034 R)
• M22: 23,879,261 km (0.084 R)
• M23: 24,213,762 km (0.069 R)
• M24: 25,121,222 km (0.036 R)
• M25: 25,699,717 km (0.084 R)
• M26: 28,351,340 km (0.106 R)
• M27: 37,993,371 km (0.057 R)
• M28: 38,602,235 km (0.092 R)
• M29: 41,262,982 km (0.089 R)
• M30: 44,884,298 km (0.1 R)
• M31: 47,823,747 km (0.081 R)
• M32: 48,890,978 km (0.042 R)
• M33: 49,430,577 km (0.07 R)
• M34: 52,375,711 km (0.084 R)
• M35: 54,853,051 km (0.115 R)
• M36: 55,435,585 km (0.107 R)
• M37: 56,022,308 km (0.07 R)
• M38: 57,009,355 km (0.095 R)
• M39: 67,748,388 km (0.063 R)
• M40: 75,610,205 km (0.112 R)
• M41: 78,770,160 km (0.081 R)
• M42: 83,801,586 km (0.113 R)
• M43: 85,092,166 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.2

Radius: 7.1

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 15.73 AU - 20.43 AU

Year: 27803 Days

Day: 15.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 92,565,126 km

• M1: 89,609 km (0.116 R)
• M2: 518,955 km (0.09 R)
• M3: 1,382,733 km (0.069 R)
• M4: 1,657,993 km (0.094 R)
• M5: 2,764,120 km (0.072 R)
• M6: 3,723,042 km (0.118 R)
• M7: 4,331,457 km (0.063 R)
• M8: 5,162,623 km (0.067 R)
• M9: 6,369,129 km (0.116 R)
• M10: 8,684,904 km (0.032 R)
• M11: 9,386,369 km (0.11 R)
• M12: 14,976,093 km (0.111 R)
• M13: 15,983,186 km (0.077 R)
• M14: 17,760,858 km (0.115 R)
• M15: 21,182,161 km (0.089 R)
• M16: 21,809,724 km (0.052 R)
• M17: 24,103,957 km (0.061 R)
• M18: 26,314,116 km (0.053 R)
• M19: 26,554,370 km (0.104 R)
• M20: 27,653,615 km (0.069 R)
• M21: 30,204,408 km (0.082 R)
• M22: 38,481,060 km (0.062 R)
• M23: 39,887,430 km (0.1 R)
• M24: 50,334,448 km (0.095 R)
• M25: 61,405,438 km (0.103 R)
• M26: 68,180,277 km (0.071 R)
• M27: 69,089,233 km (0.089 R)
• M28: 71,396,781 km (0.096 R)
• M29: 77,389,372 km (0.1 R)
• M30: 83,190,927 km (0.115 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 13,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit