🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.8 AU - 1.84 AU

Year: 906 Days

Day: 25.1 Hours

Environment

Temp: -69 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.14 AU - 2.98 AU

Year: 1511 Days

Day: 21.8 Hours

Environment

Temp: -95 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.86 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.1

Radius: 11.9

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 4.89 AU - 5.41 AU

Year: 4312 Days

Day: 10.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 103,721,801 km

• M1: 148,401 km (0.044 R)
• M2: 573,857 km (0.11 R)
• M3: 946,356 km (0.111 R)
• M4: 1,441,226 km (0.119 R)
• M5: 2,223,473 km (0.1 R)
• M6: 3,253,454 km (0.1 R)
• M7: 4,279,247 km (0.063 R)
• M8: 5,509,241 km (0.046 R)
• M9: 7,746,178 km (0.112 R)
• M10: 10,609,331 km (0.102 R)
• M11: 11,001,128 km (0.12 R)
• M12: 12,449,236 km (0.094 R)
• M13: 12,929,594 km (0.107 R)
• M14: 13,604,430 km (0.112 R)
• M15: 14,161,234 km (0.074 R)
• M16: 15,369,984 km (0.052 R)
• M17: 19,760,233 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 10.4

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.35 AU - 7.37 AU

Year: 6629 Days

Day: 5.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 103,721,801 km

• M1: 129,402 km (0.087 R)
• M2: 462,257 km (0.098 R)
• M3: 1,322,894 km (0.097 R)
• M4: 2,220,332 km (0.05 R)
• M5: 2,945,432 km (0.059 R)
• M6: 4,232,124 km (0.044 R)
• M7: 4,834,854 km (0.065 R)
• M8: 5,464,062 km (0.116 R)
• M9: 6,179,290 km (0.052 R)
• M10: 7,720,297 km (0.116 R)
• M11: 9,244,999 km (0.099 R)
• M12: 11,397,263 km (0.057 R)
• M13: 13,257,363 km (0.118 R)
• M14: 15,979,596 km (0.091 R)
• M15: 16,730,278 km (0.081 R)
• M16: 24,008,364 km (0.066 R)
• M17: 29,759,056 km (0.044 R)
• M18: 31,668,074 km (0.059 R)
• M19: 34,064,931 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.7

Radius: 14.5

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9.79 AU - 13.27 AU

Year: 14445 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 103,721,801 km

• M1: 209,287 km (0.111 R)
• M2: 1,630,617 km (0.107 R)
• M3: 3,873,837 km (0.107 R)
• M4: 6,710,960 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.6

Radius: 4

Gravity: 9.1 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 11.72 AU - 18.88 AU

Year: 22081 Days

Day: 19.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 103,721,801 km

• M1: 49,816 km (0.112 R)
• M2: 233,672 km (0.082 R)
• M3: 531,372 km (0.108 R)
• M4: 762,351 km (0.088 R)
• M5: 972,087 km (0.104 R)
• M6: 1,219,372 km (0.074 R)
• M7: 2,367,536 km (0.051 R)
• M8: 3,174,317 km (0.113 R)
• M9: 3,875,632 km (0.091 R)
• M10: 5,509,839 km (0.056 R)
• M11: 6,863,102 km (0.026 R)
• M12: 7,061,618 km (0.113 R)
• M13: 8,789,473 km (0.088 R)
• M14: 9,900,836 km (0.074 R)
• M15: 10,205,567 km (0.115 R)
• M16: 13,666,663 km (0.065 R)
• M17: 14,623,790 km (0.103 R)
• M18: 15,968,226 km (0.118 R)
• M19: 20,248,072 km (0.052 R)
• M20: 24,122,657 km (0.098 R)
• M21: 27,556,825 km (0.112 R)
• M22: 27,756,688 km (0.09 R)
• M23: 29,703,405 km (0.096 R)
• M24: 30,871,017 km (0.11 R)
• M25: 36,565,310 km (0.083 R)
• M26: 39,278,267 km (0.058 R)
• M27: 44,549,049 km (0.117 R)
• M28: 47,639,442 km (0.096 R)
• M29: 48,071,630 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.1

Radius: 7.4

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 14.2 AU - 20.1 AU

Year: 26204 Days

Day: 18.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 103,721,801 km

• M1: 92,751 km (0.108 R)
• M2: 444,156 km (0.077 R)
• M3: 1,866,233 km (0.113 R)
• M4: 2,780,127 km (0.12 R)
• M5: 3,015,594 km (0.1 R)
• M6: 4,195,472 km (0.118 R)
• M7: 4,613,598 km (0.112 R)
• M8: 6,569,890 km (0.062 R)
• M9: 9,193,088 km (0.117 R)
• M10: 10,514,187 km (0.116 R)
• M11: 11,351,935 km (0.08 R)
• M12: 17,688,751 km (0.1 R)
• M13: 18,047,338 km (0.07 R)
• M14: 23,696,901 km (0.086 R)
• M15: 24,684,995 km (0.091 R)
• M16: 26,860,447 km (0.044 R)
• M17: 37,428,639 km (0.077 R)
• M18: 41,855,689 km (0.105 R)
• M19: 42,332,757 km (0.11 R)
• M20: 43,459,827 km (0.073 R)
• M21: 46,790,175 km (0.12 R)
• M22: 47,994,737 km (0.069 R)
• M23: 53,206,427 km (0.062 R)
• M24: 54,141,414 km (0.069 R)
• M25: 55,852,215 km (0.045 R)
• M26: 64,948,963 km (0.06 R)
• M27: 74,053,489 km (0.053 R)
• M28: 75,688,295 km (0.08 R)
• M29: 79,030,012 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.6

Radius: 3.3

Gravity: 69.57 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 15.56 AU - 22.2 AU

Year: 30268 Days

Day: 24.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 103,721,801 km

• M1: 41,139 km (0.083 R)
• M2: 167,998 km (0.116 R)
• M3: 405,111 km (0.042 R)
• M4: 655,837 km (0.065 R)
• M5: 763,548 km (0.049 R)
• M6: 908,358 km (0.075 R)
• M7: 1,115,252 km (0.116 R)
• M8: 1,403,826 km (0.086 R)
• M9: 1,510,490 km (0.088 R)
• M10: 1,821,653 km (0.081 R)
• M11: 1,948,811 km (0.119 R)
• M12: 3,099,967 km (0.088 R)
• M13: 3,699,705 km (0.117 R)
• M14: 4,959,469 km (0.093 R)
• M15: 5,166,063 km (0.111 R)
• M16: 5,335,408 km (0.115 R)
• M17: 9,116,045 km (0.061 R)
• M18: 10,805,454 km (0.112 R)
• M19: 11,942,697 km (0.082 R)
• M20: 12,239,051 km (0.11 R)
• M21: 16,917,275 km (0.071 R)
• M22: 18,940,437 km (0.041 R)
• M23: 20,691,779 km (0.081 R)
• M24: 21,880,933 km (0.103 R)
• M25: 22,886,978 km (0.104 R)
• M26: 25,597,542 km (0.116 R)
• M27: 25,966,151 km (0.103 R)
• M28: 31,927,776 km (0.107 R)
• M29: 32,930,082 km (0.111 R)
• M30: 33,366,010 km (0.111 R)
• M31: 34,249,385 km (0.079 R)
• M32: 37,780,194 km (0.078 R)
• M33: 43,085,234 km (0.085 R)
• M34: 54,734,121 km (0.092 R)
• M35: 60,619,301 km (0.108 R)
• M36: 61,933,070 km (0.055 R)
• M37: 66,218,151 km (0.104 R)
• M38: 76,129,309 km (0.112 R)
• M39: 77,146,126 km (0.113 R)
• M40: 99,427,831 km (0.065 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 15,031 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit