🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.58 AU - 0.64 AU

Year: 211 Days

Day: 38.8 Hours

Environment

Temp: -8 °C

Axial Tilt: 33.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.17 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.47 AU - 1.97 AU

Year: 999 Days

Day: 39.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 8.3

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.68 AU - 2.86 AU

Year: 2042 Days

Day: 8.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 24,422,988 km

• M1: 103,223 km (0.1 R)
• M2: 406,757 km (0.093 R)
• M3: 824,733 km (0.026 R)
• M4: 1,210,396 km (0.083 R)
• M5: 2,190,113 km (0.114 R)
• M6: 3,286,665 km (0.091 R)
• M7: 3,569,555 km (0.108 R)
• M8: 4,024,332 km (0.115 R)
• M9: 4,690,492 km (0.102 R)
• M10: 5,379,839 km (0.094 R)
• M11: 5,698,781 km (0.118 R)
• M12: 5,978,529 km (0.042 R)
• M13: 6,483,273 km (0.1 R)
• M14: 7,948,284 km (0.075 R)
• M15: 8,233,717 km (0.083 R)
• M16: 8,892,546 km (0.078 R)
• M17: 10,203,622 km (0.1 R)
• M18: 10,655,258 km (0.083 R)
• M19: 12,299,638 km (0.11 R)
• M20: 14,152,707 km (0.113 R)
• M21: 15,983,037 km (0.067 R)
• M22: 17,059,543 km (0.112 R)
• M23: 17,322,835 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288

Radius: 8.8

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 3.79 AU - 3.79 AU

Year: 3268 Days

Day: 8.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 128 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,422,988 km

• M1: 109,506 km (0.098 R)
• M2: 1,031,029 km (0.111 R)
• M3: 2,162,587 km (0.082 R)
• M4: 3,429,382 km (0.105 R)
• M5: 4,143,861 km (0.078 R)
• M6: 5,694,593 km (0.073 R)
• M7: 7,569,652 km (0.081 R)
• M8: 11,372,131 km (0.111 R)
• M9: 13,034,612 km (0.111 R)
• M10: 15,132,872 km (0.078 R)
• M11: 16,385,455 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.5

Radius: 14.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.56 AU - 5.58 AU

Year: 4327 Days

Day: 9.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,422,988 km

• M1: 182,360 km (0.107 R)
• M2: 1,058,255 km (0.104 R)
• M3: 1,665,623 km (0.086 R)
• M4: 2,940,197 km (0.12 R)
• M5: 4,171,537 km (0.048 R)
• M6: 5,555,766 km (0.052 R)
• M7: 6,158,645 km (0.103 R)
• M8: 6,933,413 km (0.1 R)
• M9: 7,428,881 km (0.106 R)
• M10: 8,234,615 km (0.092 R)
• M11: 8,982,155 km (0.098 R)
• M12: 9,815,415 km (0.111 R)
• M13: 10,527,202 km (0.053 R)
• M14: 11,273,247 km (0.078 R)
• M15: 12,007,323 km (0.073 R)
• M16: 12,578,638 km (0.072 R)
• M17: 15,881,908 km (0.116 R)
• M18: 16,687,942 km (0.099 R)
• M19: 18,506,902 km (0.118 R)
• M20: 19,922,547 km (0.03 R)
• M21: 23,260,375 km (0.077 R)
• M22: 26,793,427 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.3

Radius: 9.9

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 4.15 AU - 6.01 AU

Year: 5071 Days

Day: 14.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,422,988 km

• M1: 133,142 km (0.04 R)
• M2: 476,020 km (0.065 R)
• M3: 1,187,508 km (0.039 R)
• M4: 2,014,186 km (0.093 R)
• M5: 3,091,889 km (0.085 R)
• M6: 3,600,970 km (0.066 R)
• M7: 4,990,585 km (0.066 R)
• M8: 5,950,555 km (0.12 R)
• M9: 6,899,603 km (0.085 R)
• M10: 8,342,475 km (0.094 R)
• M11: 9,252,030 km (0.087 R)
• M12: 9,771,733 km (0.098 R)
• M13: 14,816,323 km (0.109 R)
• M14: 17,497,266 km (0.078 R)
• M15: 22,136,296 km (0.098 R)
• M16: 23,138,901 km (0.109 R)
• M17: 24,851,348 km (0.061 R)
• M18: 25,855,748 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.9

Radius: 9.3

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.02 AU - 6.74 AU

Year: 6315 Days

Day: 13 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 24,422,988 km

• M1: 116,238 km (0.099 R)
• M2: 495,169 km (0.049 R)
• M3: 876,045 km (0.104 R)
• M4: 1,199,476 km (0.098 R)
• M5: 2,186,822 km (0.119 R)
• M6: 2,850,587 km (0.104 R)
• M7: 3,473,663 km (0.073 R)
• M8: 4,161,065 km (0.11 R)
• M9: 5,400,932 km (0.107 R)
• M10: 6,417,449 km (0.119 R)
• M11: 8,630,301 km (0.102 R)
• M12: 9,510,535 km (0.112 R)
• M13: 10,760,724 km (0.106 R)
• M14: 11,124,098 km (0.046 R)
• M15: 11,971,719 km (0.108 R)
• M16: 13,014,267 km (0.084 R)
• M17: 14,333,122 km (0.086 R)
• M18: 14,829,039 km (0.114 R)
• M19: 15,913,623 km (0.095 R)
• M20: 17,482,157 km (0.063 R)
• M21: 19,217,642 km (0.059 R)
• M22: 20,092,939 km (0.118 R)
• M23: 20,644,656 km (0.102 R)
• M24: 21,922,970 km (0.038 R)
• M25: 23,555,980 km (0.064 R)
• M26: 27,313,579 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.2

Radius: 11.1

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 6.58 AU - 10.28 AU

Year: 10841 Days

Day: 7.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,422,988 km

• M1: 140,173 km (0.063 R)
• M2: 526,734 km (0.059 R)
• M3: 965,505 km (0.076 R)
• M4: 1,353,412 km (0.092 R)
• M5: 1,723,966 km (0.119 R)
• M6: 2,575,926 km (0.11 R)
• M7: 3,463,041 km (0.101 R)
• M8: 4,114,241 km (0.092 R)
• M9: 5,096,799 km (0.077 R)
• M10: 8,986,194 km (0.105 R)
• M11: 9,416,588 km (0.1 R)
• M12: 12,470,030 km (0.108 R)
• M13: 13,807,584 km (0.105 R)
• M14: 15,851,540 km (0.094 R)
• M15: 18,777,226 km (0.054 R)
• M16: 22,131,509 km (0.047 R)
• M17: 25,579,142 km (0.108 R)
• M18: 27,530,347 km (0.097 R)
• M19: 31,727,016 km (0.104 R)
• M20: 34,555,911 km (0.118 R)
• M21: 40,840,518 km (0.032 R)
• M22: 44,595,424 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.9

Radius: 3.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 9.56 AU - 11.1 AU

Year: 14706 Days

Day: 25 Hours

Environment

Temp: -210 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,422,988 km

• M1: 68,067 km (0.118 R)
• M2: 200,312 km (0.075 R)
• M3: 512,522 km (0.104 R)
• M4: 680,670 km (0.111 R)
• M5: 1,049,429 km (0.05 R)
• M6: 1,679,685 km (0.091 R)
• M7: 1,932,804 km (0.067 R)
• M8: 2,068,639 km (0.066 R)
• M9: 2,359,607 km (0.03 R)
• M10: 3,131,981 km (0.118 R)
• M11: 3,656,770 km (0.062 R)
• M12: 4,351,952 km (0.103 R)
• M13: 5,472,889 km (0.104 R)
• M14: 5,857,654 km (0.104 R)
• M15: 6,992,504 km (0.074 R)
• M16: 7,119,961 km (0.106 R)
• M17: 7,445,336 km (0.054 R)
• M18: 7,951,725 km (0.06 R)
• M19: 8,231,024 km (0.113 R)
• M20: 10,127,177 km (0.111 R)
• M21: 10,290,389 km (0.051 R)
• M22: 10,496,834 km (0.112 R)
• M23: 17,231,730 km (0.12 R)
• M24: 21,345,073 km (0.059 R)
• M25: 21,816,306 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 19,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit