🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.24 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.45 AU - 2.49 AU

Year: 1478 Days

Day: 13.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,034,594 km

• M1: 117,285 km (0.116 R)
• M2: 1,250,788 km (0.101 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.1 AU - 3.2 AU

Year: 1643 Days

Day: 45.9 Hours

Environment

Temp: -99 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.56 AU - 4.24 AU

Year: 2933 Days

Day: 41.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 34.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.9

Radius: 11.9

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 9.18 AU - 10.52 AU

Year: 11772 Days

Day: 7.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 92,034,594 km

• M1: 148,102 km (0.114 R)
• M2: 569,669 km (0.083 R)
• M3: 953,986 km (0.053 R)
• M4: 1,858,604 km (0.116 R)
• M5: 2,247,858 km (0.117 R)
• M6: 2,628,285 km (0.1 R)
• M7: 4,926,407 km (0.079 R)
• M8: 6,838,418 km (0.038 R)
• M9: 8,006,478 km (0.104 R)
• M10: 12,554,702 km (0.117 R)
• M11: 13,505,397 km (0.068 R)
• M12: 14,846,841 km (0.052 R)
• M13: 15,266,164 km (0.098 R)
• M14: 17,482,456 km (0.108 R)
• M15: 18,028,937 km (0.025 R)
• M16: 18,667,570 km (0.051 R)
• M17: 23,473,551 km (0.094 R)
• M18: 23,947,627 km (0.049 R)
• M19: 32,664,246 km (0.091 R)
• M20: 33,493,766 km (0.105 R)
• M21: 40,373,174 km (0.108 R)
• M22: 42,159,672 km (0.066 R)
• M23: 55,493,929 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 850

Radius: 7.4

Gravity: 15.52 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 10.29 AU - 14.87 AU

Year: 16991 Days

Day: 16.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 179.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 92,034,594 km

• M1: 102,325 km (0.096 R)
• M2: 386,411 km (0.087 R)
• M3: 861,385 km (0.115 R)
• M4: 1,306,588 km (0.103 R)
• M5: 1,972,598 km (0.118 R)
• M6: 2,560,368 km (0.106 R)
• M7: 2,920,599 km (0.095 R)
• M8: 5,030,528 km (0.114 R)
• M9: 5,596,905 km (0.059 R)
• M10: 6,856,370 km (0.078 R)
• M11: 9,138,934 km (0.1 R)
• M12: 11,121,255 km (0.102 R)
• M13: 11,884,504 km (0.112 R)
• M14: 13,094,302 km (0.03 R)
• M15: 15,993,359 km (0.113 R)
• M16: 18,320,952 km (0.107 R)
• M17: 18,671,011 km (0.108 R)
• M18: 19,839,221 km (0.108 R)
• M19: 21,343,278 km (0.076 R)
• M20: 21,633,498 km (0.1 R)
• M21: 23,225,967 km (0.063 R)
• M22: 23,636,015 km (0.12 R)
• M23: 25,109,404 km (0.116 R)
• M24: 26,531,332 km (0.032 R)
• M25: 27,660,945 km (0.053 R)
• M26: 28,587,555 km (0.102 R)
• M27: 29,177,120 km (0.102 R)
• M28: 30,380,485 km (0.041 R)
• M29: 30,625,078 km (0.068 R)
• M30: 34,586,429 km (0.077 R)
• M31: 43,044,244 km (0.044 R)
• M32: 44,130,923 km (0.068 R)
• M33: 51,905,375 km (0.092 R)
• M34: 55,656,093 km (0.094 R)
• M35: 58,821,584 km (0.069 R)
• M36: 63,891,755 km (0.08 R)
• M37: 68,823,697 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.1

Radius: 4.9

Gravity: 27.95 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 13.75 AU - 20.41 AU

Year: 26880 Days

Day: 20.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 92,034,594 km

• M1: 73,901 km (0.114 R)
• M2: 249,380 km (0.09 R)
• M3: 451,935 km (0.092 R)
• M4: 691,741 km (0.114 R)
• M5: 1,136,794 km (0.1 R)
• M6: 1,677,441 km (0.114 R)
• M7: 2,190,113 km (0.074 R)
• M8: 2,398,203 km (0.118 R)
• M9: 2,854,327 km (0.097 R)
• M10: 3,103,109 km (0.118 R)
• M11: 3,366,251 km (0.105 R)
• M12: 3,805,022 km (0.113 R)
• M13: 4,038,245 km (0.092 R)
• M14: 6,682,238 km (0.05 R)
• M15: 7,071,641 km (0.055 R)
• M16: 14,949,465 km (0.079 R)
• M17: 15,279,777 km (0.113 R)
• M18: 15,699,399 km (0.091 R)
• M19: 15,869,342 km (0.111 R)
• M20: 16,126,650 km (0.08 R)
• M21: 20,428,038 km (0.082 R)
• M22: 21,040,043 km (0.044 R)
• M23: 23,499,582 km (0.034 R)
• M24: 25,553,111 km (0.079 R)
• M25: 30,013,073 km (0.083 R)
• M26: 33,398,323 km (0.118 R)
• M27: 35,110,022 km (0.102 R)
• M28: 37,633,888 km (0.089 R)
• M29: 39,329,879 km (0.074 R)
• M30: 41,886,506 km (0.085 R)
• M31: 48,398,352 km (0.105 R)
• M32: 52,270,992 km (0.117 R)
• M33: 57,748,817 km (0.062 R)
• M34: 57,951,223 km (0.115 R)
• M35: 61,676,061 km (0.07 R)
• M36: 62,525,028 km (0.113 R)
• M37: 63,597,047 km (0.074 R)
• M38: 70,287,662 km (0.093 R)
• M39: 80,420,375 km (0.101 R)
• M40: 83,743,392 km (0.066 R)
• M41: 91,758,996 km (0.085 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 13,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit