🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.08 AU - 1.42 AU

Year: 498 Days

Day: 22.7 Hours

Environment

Temp: 21 °C

Axial Tilt: 27.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.99 AU - 2.95 AU

Year: 1384 Days

Day: 13.2 Hours

Environment

Temp: -82 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.73 AU - 5.63 AU

Year: 3609 Days

Day: 42.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.4

Radius: 13.5

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.96 AU - 5.54 AU

Year: 4288 Days

Day: 9.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,792,233 km

• M1: 168,148 km (0.101 R)
• M2: 709,543 km (0.1 R)
• M3: 1,284,597 km (0.09 R)
• M4: 1,736,831 km (0.037 R)
• M5: 4,133,988 km (0.115 R)
• M6: 4,791,171 km (0.08 R)
• M7: 5,599,149 km (0.084 R)
• M8: 9,333,262 km (0.083 R)
• M9: 11,111,980 km (0.092 R)
• M10: 11,691,822 km (0.084 R)
• M11: 12,433,079 km (0.088 R)
• M12: 13,107,167 km (0.037 R)
• M13: 15,771,356 km (0.063 R)
• M14: 16,966,643 km (0.086 R)
• M15: 20,251,662 km (0.081 R)
• M16: 21,870,162 km (0.098 R)
• M17: 22,569,382 km (0.113 R)
• M18: 24,606,905 km (0.067 R)
• M19: 25,902,273 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.3

Radius: 8.1

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.02 AU - 6.46 AU

Year: 4902 Days

Day: 6.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,792,233 km

• M1: 113,545 km (0.096 R)
• M2: 374,144 km (0.062 R)
• M3: 1,525,449 km (0.112 R)
• M4: 2,138,352 km (0.09 R)
• M5: 2,445,177 km (0.107 R)
• M6: 3,015,893 km (0.117 R)
• M7: 3,978,555 km (0.054 R)
• M8: 4,301,687 km (0.113 R)
• M9: 6,814,632 km (0.091 R)
• M10: 8,834,801 km (0.115 R)
• M11: 19,049,194 km (0.097 R)
• M12: 19,703,236 km (0.052 R)
• M13: 24,784,926 km (0.112 R)
• M14: 26,119,639 km (0.087 R)
• M15: 27,172,209 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.8

Radius: 13.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.65 AU - 7.47 AU

Year: 5317 Days

Day: 8.4 Hours

Environment

Temp: -137 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,792,233 km

• M1: 171,888 km (0.104 R)
• M2: 850,613 km (0.084 R)
• M3: 2,191,459 km (0.087 R)
• M4: 2,794,039 km (0.073 R)
• M5: 3,805,471 km (0.041 R)
• M6: 4,240,052 km (0.109 R)
• M7: 4,889,307 km (0.073 R)
• M8: 5,404,971 km (0.077 R)
• M9: 6,017,126 km (0.102 R)
• M10: 6,839,016 km (0.059 R)
• M11: 7,381,309 km (0.081 R)
• M12: 7,952,024 km (0.086 R)
• M13: 9,509,189 km (0.081 R)
• M14: 10,536,328 km (0.111 R)
• M15: 10,985,570 km (0.091 R)
• M16: 11,588,749 km (0.108 R)
• M17: 12,559,938 km (0.108 R)
• M18: 13,271,575 km (0.103 R)
• M19: 14,117,551 km (0.113 R)
• M20: 16,933,581 km (0.109 R)
• M21: 18,570,930 km (0.088 R)
• M22: 22,526,148 km (0.107 R)
• M23: 23,273,689 km (0.12 R)
• M24: 23,960,642 km (0.107 R)
• M25: 27,769,853 km (0.091 R)
• M26: 28,542,825 km (0.079 R)
• M27: 29,773,567 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.8

Radius: 7.5

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 14.13 AU - 14.47 AU

Year: 19275 Days

Day: 16.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,792,233 km

• M1: 93,349 km (0.099 R)
• M2: 619,784 km (0.091 R)
• M3: 854,653 km (0.085 R)
• M4: 1,218,026 km (0.092 R)
• M5: 2,454,901 km (0.081 R)
• M6: 3,195,859 km (0.117 R)
• M7: 3,982,894 km (0.071 R)
• M8: 4,540,894 km (0.045 R)
• M9: 4,892,748 km (0.093 R)
• M10: 6,184,825 km (0.105 R)
• M11: 6,573,480 km (0.051 R)
• M12: 7,024,368 km (0.11 R)
• M13: 8,713,029 km (0.083 R)
• M14: 9,881,987 km (0.078 R)
• M15: 11,405,790 km (0.105 R)
• M16: 12,870,802 km (0.066 R)
• M17: 13,576,605 km (0.102 R)
• M18: 14,759,176 km (0.092 R)
• M19: 24,378,619 km (0.101 R)
• M20: 25,022,488 km (0.117 R)
• M21: 27,250,299 km (0.112 R)
• M22: 27,827,298 km (0.092 R)
• M23: 28,648,740 km (0.062 R)
• M24: 36,225,424 km (0.063 R)
• M25: 36,782,676 km (0.081 R)
• M26: 38,057,549 km (0.062 R)
• M27: 39,069,130 km (0.058 R)
• M28: 40,695,109 km (0.044 R)
• M29: 41,905,505 km (0.12 R)
• M30: 48,319,514 km (0.105 R)
• M31: 53,358,419 km (0.101 R)
• M32: 57,784,721 km (0.111 R)
• M33: 62,649,494 km (0.06 R)
• M34: 72,520,859 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.2

Radius: 7.8

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 14.33 AU - 17.41 AU

Year: 22535 Days

Day: 16.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,792,233 km

• M1: 97,089 km (0.067 R)
• M2: 657,333 km (0.098 R)
• M3: 955,033 km (0.095 R)
• M4: 1,212,341 km (0.097 R)
• M5: 1,532,929 km (0.113 R)
• M6: 1,948,662 km (0.051 R)
• M7: 2,302,760 km (0.109 R)
• M8: 2,953,511 km (0.074 R)
• M9: 3,364,905 km (0.033 R)
• M10: 3,721,097 km (0.037 R)
• M11: 4,004,735 km (0.116 R)
• M12: 4,615,244 km (0.116 R)
• M13: 5,170,252 km (0.03 R)
• M14: 6,683,434 km (0.118 R)
• M15: 7,296,038 km (0.108 R)
• M16: 9,591,168 km (0.093 R)
• M17: 11,851,143 km (0.082 R)
• M18: 15,872,334 km (0.053 R)
• M19: 18,098,500 km (0.075 R)
• M20: 21,312,760 km (0.086 R)
• M21: 22,223,362 km (0.101 R)
• M22: 22,844,642 km (0.037 R)
• M23: 23,905,740 km (0.114 R)
• M24: 25,110,601 km (0.106 R)
• M25: 26,586,085 km (0.073 R)
• M26: 27,759,680 km (0.065 R)
• M27: 28,601,617 km (0.104 R)
• M28: 31,100,649 km (0.067 R)
• M29: 32,535,293 km (0.064 R)
• M30: 43,192,346 km (0.115 R)
• M31: 54,079,331 km (0.093 R)
• M32: 55,014,318 km (0.099 R)
• M33: 56,532,587 km (0.1 R)
• M34: 59,652,899 km (0.043 R)
• M35: 60,250,393 km (0.088 R)
• M36: 64,754,934 km (0.117 R)
• M37: 69,698,994 km (0.074 R)
• M38: 78,886,398 km (0.075 R)
• M39: 79,365,859 km (0.112 R)

Kuiper Belt

Range: 30.8 - 50.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 10,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit