🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.89 AU - 0.93 AU

Year: 327 Days

Day: 15.5 Hours

Environment

Temp: 43 °C

Axial Tilt: 4.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 80,442,242 km

• M1: 31,266 km (0.037 R)
• M2: 109,805 km (0.03 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.41

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.93 AU - 1.05 AU

Year: 371 Days

Day: 27.6 Hours

Environment

Temp: 13 °C

Axial Tilt: 12.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.36 AU - 1.38 AU

Year: 604 Days

Day: 12.4 Hours

Environment

Temp: -36 °C

Axial Tilt: 49.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.3

Radius: 14.5

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.07 AU - 6.75 AU

Year: 4740 Days

Day: 10.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,442,242 km

• M1: 180,265 km (0.072 R)
• M2: 805,585 km (0.109 R)
• M3: 1,297,612 km (0.082 R)
• M4: 2,666,582 km (0.102 R)
• M5: 3,974,367 km (0.084 R)
• M6: 4,537,752 km (0.06 R)
• M7: 6,104,940 km (0.11 R)
• M8: 6,556,426 km (0.092 R)
• M9: 7,636,373 km (0.103 R)
• M10: 8,913,041 km (0.065 R)
• M11: 10,924,534 km (0.061 R)
• M12: 11,937,162 km (0.099 R)
• M13: 14,600,004 km (0.108 R)
• M14: 20,424,747 km (0.06 R)
• M15: 22,186,262 km (0.097 R)
• M16: 24,771,163 km (0.084 R)
• M17: 25,261,844 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.9

Radius: 14.7

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 10.25 AU - 11.91 AU

Year: 13894 Days

Day: 12.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,442,242 km

• M1: 183,257 km (0.091 R)
• M2: 658,380 km (0.12 R)
• M3: 1,243,009 km (0.028 R)
• M4: 1,950,008 km (0.049 R)
• M5: 2,492,899 km (0.108 R)
• M6: 3,544,123 km (0.116 R)
• M7: 4,363,171 km (0.083 R)
• M8: 5,129,711 km (0.102 R)
• M9: 6,687,025 km (0.101 R)
• M10: 7,295,290 km (0.059 R)
• M11: 8,789,623 km (0.107 R)
• M12: 9,653,999 km (0.042 R)
• M13: 10,861,703 km (0.107 R)
• M14: 11,755,251 km (0.11 R)
• M15: 13,689,252 km (0.051 R)
• M16: 14,911,168 km (0.12 R)
• M17: 15,889,987 km (0.073 R)
• M18: 18,803,405 km (0.101 R)
• M19: 19,656,113 km (0.072 R)
• M20: 22,369,669 km (0.107 R)
• M21: 23,898,409 km (0.112 R)
• M22: 25,754,321 km (0.102 R)
• M23: 26,364,530 km (0.101 R)
• M24: 28,622,860 km (0.119 R)
• M25: 29,751,576 km (0.096 R)
• M26: 33,316,044 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.7

Radius: 14.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 10.33 AU - 12.83 AU

Year: 14845 Days

Day: 6 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 80,442,242 km

• M1: 182,809 km (0.057 R)
• M2: 669,002 km (0.063 R)
• M3: 1,221,167 km (0.099 R)
• M4: 2,177,696 km (0.083 R)
• M5: 2,774,592 km (0.115 R)
• M6: 3,398,714 km (0.103 R)
• M7: 3,846,311 km (0.104 R)
• M8: 5,775,226 km (0.043 R)
• M9: 6,459,187 km (0.095 R)
• M10: 6,974,253 km (0.105 R)
• M11: 9,368,866 km (0.065 R)
• M12: 9,862,240 km (0.104 R)
• M13: 11,081,163 km (0.099 R)
• M14: 19,777,138 km (0.107 R)
• M15: 20,499,695 km (0.058 R)
• M16: 22,970,155 km (0.118 R)
• M17: 26,060,398 km (0.105 R)
• M18: 26,601,045 km (0.095 R)
• M19: 28,495,851 km (0.086 R)
• M20: 30,958,681 km (0.097 R)
• M21: 34,849,273 km (0.106 R)
• M22: 36,844,011 km (0.047 R)
• M23: 38,076,847 km (0.081 R)
• M24: 40,624,648 km (0.059 R)
• M25: 46,057,893 km (0.047 R)
• M26: 50,104,067 km (0.116 R)
• M27: 57,061,265 km (0.094 R)
• M28: 57,790,555 km (0.079 R)
• M29: 60,580,855 km (0.08 R)
• M30: 64,636,602 km (0.113 R)
• M31: 67,845,626 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.9

Radius: 3.3

Gravity: 85.02 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 11.95 AU - 17.53 AU

Year: 21319 Days

Day: 21.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,442,242 km

• M1: 42,037 km (0.103 R)
• M2: 148,551 km (0.045 R)
• M3: 1,194,389 km (0.045 R)
• M4: 1,395,748 km (0.092 R)
• M5: 1,601,146 km (0.115 R)
• M6: 1,749,098 km (0.101 R)
• M7: 2,050,987 km (0.035 R)
• M8: 3,025,467 km (0.115 R)
• M9: 3,966,737 km (0.101 R)
• M10: 4,238,257 km (0.1 R)
• M11: 6,000,670 km (0.035 R)
• M12: 6,358,059 km (0.058 R)
• M13: 6,542,064 km (0.105 R)
• M14: 7,515,797 km (0.113 R)
• M15: 9,268,037 km (0.104 R)
• M16: 9,564,390 km (0.088 R)
• M17: 13,030,872 km (0.047 R)
• M18: 13,781,554 km (0.046 R)
• M19: 17,428,750 km (0.03 R)
• M20: 20,651,687 km (0.081 R)
• M21: 20,953,875 km (0.11 R)
• M22: 21,156,879 km (0.111 R)
• M23: 23,917,109 km (0.047 R)
• M24: 25,498,209 km (0.059 R)
• M25: 27,027,548 km (0.096 R)
• M26: 29,371,298 km (0.117 R)
• M27: 41,362,465 km (0.119 R)
• M28: 46,157,675 km (0.09 R)
• M29: 47,717,831 km (0.088 R)
• M30: 51,678,884 km (0.094 R)
• M31: 52,796,081 km (0.048 R)
• M32: 53,549,755 km (0.082 R)
• M33: 61,070,189 km (0.088 R)
• M34: 70,167,236 km (0.074 R)
• M35: 73,389,275 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.2

Radius: 5.3

Gravity: 18.41 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 13.17 AU - 19.63 AU

Year: 25020 Days

Day: 17.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,442,242 km

• M1: 69,114 km (0.114 R)
• M2: 359,484 km (0.05 R)
• M3: 566,677 km (0.049 R)
• M4: 864,676 km (0.104 R)
• M5: 1,336,956 km (0.052 R)
• M6: 1,528,142 km (0.084 R)
• M7: 1,985,912 km (0.102 R)
• M8: 3,571,500 km (0.115 R)
• M9: 4,372,746 km (0.094 R)
• M10: 4,833,806 km (0.102 R)
• M11: 7,737,351 km (0.069 R)
• M12: 8,095,339 km (0.025 R)
• M13: 8,954,929 km (0.109 R)
• M14: 9,992,839 km (0.089 R)
• M15: 10,727,963 km (0.112 R)
• M16: 13,293,117 km (0.106 R)
• M17: 14,105,733 km (0.106 R)
• M18: 17,953,240 km (0.074 R)
• M19: 21,835,006 km (0.067 R)
• M20: 26,127,418 km (0.118 R)
• M21: 28,349,993 km (0.075 R)
• M22: 29,568,917 km (0.105 R)
• M23: 29,816,950 km (0.041 R)
• M24: 30,191,393 km (0.082 R)
• M25: 34,794,969 km (0.08 R)
• M26: 44,870,984 km (0.094 R)
• M27: 46,524,190 km (0.115 R)
• M28: 54,467,538 km (0.085 R)
• M29: 60,435,745 km (0.084 R)
• M30: 63,473,928 km (0.119 R)
• M31: 67,466,396 km (0.076 R)
• M32: 73,650,323 km (0.039 R)
• M33: 74,334,434 km (0.115 R)
• M34: 75,022,883 km (0.11 R)
• M35: 76,645,571 km (0.071 R)
• M36: 79,004,131 km (0.104 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 12,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit