🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.54 AU - 0.6 AU

Year: 282 Days

Day: 40.5 Hours

Environment

Temp: -117 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,045,511 km

• M1: 42,635 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.7

Radius: 8.8

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.53 AU - 0.83 AU

Year: 368 Days

Day: 9 Hours

Environment

Temp: -126 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,045,511 km

• M1: 109,506 km (0.039 R)
• M2: 405,859 km (0.119 R)
• M3: 686,654 km (0.052 R)
• M4: 1,050,476 km (0.095 R)
• M5: 1,571,526 km (0.062 R)
• M6: 2,350,631 km (0.051 R)
• M7: 2,702,037 km (0.064 R)
• M8: 3,136,918 km (0.107 R)
• M9: 3,671,880 km (0.111 R)

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.9

Radius: 11.1

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.2 AU - 1.28 AU

Year: 906 Days

Day: 6.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,045,511 km

• M1: 138,079 km (0.073 R)
• M2: 506,090 km (0.104 R)
• M3: 1,030,131 km (0.067 R)
• M4: 1,514,678 km (0.073 R)
• M5: 2,349,285 km (0.111 R)
• M6: 2,839,218 km (0.109 R)
• M7: 3,915,425 km (0.118 R)
• M8: 5,341,093 km (0.113 R)
• M9: 5,776,572 km (0.11 R)
• M10: 6,562,859 km (0.086 R)
• M11: 7,736,903 km (0.083 R)
• M12: 9,240,212 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.4

Radius: 8.7

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.4 AU - 1.5 AU

Year: 1145 Days

Day: 7.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,045,511 km

• M1: 108,159 km (0.092 R)
• M2: 673,490 km (0.047 R)
• M3: 1,011,880 km (0.097 R)
• M4: 1,316,910 km (0.107 R)
• M5: 1,613,862 km (0.096 R)
• M6: 1,955,843 km (0.087 R)
• M7: 2,590,287 km (0.098 R)
• M8: 3,022,176 km (0.091 R)
• M9: 5,036,362 km (0.118 R)
• M10: 5,836,262 km (0.054 R)
• M11: 6,741,329 km (0.053 R)
• M12: 7,215,554 km (0.103 R)
• M13: 8,471,727 km (0.089 R)
• M14: 9,512,480 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 11.3

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.06 AU - 2.46 AU

Year: 2229 Days

Day: 7.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 36,045,511 km

• M1: 142,268 km (0.094 R)
• M2: 744,249 km (0.112 R)
• M3: 1,326,335 km (0.091 R)
• M4: 1,821,952 km (0.03 R)
• M5: 2,276,132 km (0.094 R)
• M6: 3,225,480 km (0.083 R)
• M7: 3,838,382 km (0.12 R)
• M8: 4,296,002 km (0.077 R)
• M9: 5,016,166 km (0.093 R)
• M10: 5,638,942 km (0.071 R)
• M11: 5,995,284 km (0.051 R)
• M12: 6,725,172 km (0.119 R)
• M13: 7,392,828 km (0.03 R)
• M14: 8,168,193 km (0.088 R)
• M15: 8,526,031 km (0.116 R)
• M16: 9,308,578 km (0.106 R)
• M17: 9,844,138 km (0.086 R)
• M18: 10,899,102 km (0.054 R)
• M19: 11,494,502 km (0.12 R)
• M20: 13,773,476 km (0.097 R)
• M21: 14,234,985 km (0.087 R)
• M22: 14,754,688 km (0.101 R)
• M23: 16,287,468 km (0.082 R)
• M24: 17,760,858 km (0.045 R)
• M25: 18,197,683 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.5

Radius: 13.1

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.21 AU - 3.71 AU

Year: 4222 Days

Day: 11.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 36,045,511 km

• M1: 164,558 km (0.083 R)
• M2: 575,952 km (0.101 R)
• M3: 1,133,353 km (0.105 R)
• M4: 1,594,414 km (0.073 R)
• M5: 2,035,429 km (0.097 R)
• M6: 2,699,643 km (0.033 R)
• M7: 3,353,984 km (0.088 R)
• M8: 4,329,961 km (0.093 R)
• M9: 4,933,289 km (0.039 R)
• M10: 5,435,040 km (0.042 R)
• M11: 6,194,848 km (0.09 R)
• M12: 6,993,401 km (0.106 R)
• M13: 7,661,206 km (0.096 R)
• M14: 8,796,205 km (0.071 R)
• M15: 9,310,373 km (0.086 R)
• M16: 16,537,147 km (0.099 R)
• M17: 18,131,711 km (0.08 R)
• M18: 19,516,389 km (0.12 R)
• M19: 20,266,323 km (0.088 R)
• M20: 20,905,854 km (0.05 R)
• M21: 21,558,699 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 985.9

Radius: 6.8

Gravity: 21.32 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 9.18 AU - 10.86 AU

Year: 20807 Days

Day: 21.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 36,045,511 km

• M1: 85,570 km (0.088 R)
• M2: 342,280 km (0.101 R)
• M3: 997,519 km (0.072 R)
• M4: 1,651,261 km (0.105 R)
• M5: 1,897,200 km (0.086 R)
• M6: 2,211,505 km (0.111 R)
• M7: 4,299,443 km (0.052 R)
• M8: 4,919,825 km (0.063 R)
• M9: 6,428,370 km (0.107 R)
• M10: 7,902,208 km (0.115 R)
• M11: 8,550,416 km (0.095 R)
• M12: 11,232,257 km (0.102 R)
• M13: 14,349,278 km (0.101 R)
• M14: 15,977,950 km (0.078 R)
• M15: 23,401,745 km (0.087 R)
• M16: 25,074,697 km (0.11 R)
• M17: 27,670,071 km (0.076 R)
• M18: 28,532,054 km (0.11 R)
• M19: 29,411,839 km (0.112 R)
• M20: 38,766,942 km (0.085 R)
• M21: 41,741,247 km (0.106 R)
• M22: 42,711,090 km (0.096 R)
• M23: 46,914,790 km (0.068 R)
• M24: 47,963,172 km (0.107 R)
• M25: 50,470,133 km (0.034 R)
• M26: 55,354,952 km (0.095 R)
• M27: 59,523,347 km (0.056 R)
• M28: 61,996,798 km (0.107 R)
• M29: 63,470,936 km (0.104 R)
• M30: 65,183,981 km (0.107 R)
• M31: 66,488,774 km (0.046 R)
• M32: 68,926,022 km (0.118 R)
• M33: 77,318,313 km (0.114 R)
• M34: 77,560,811 km (0.096 R)
• M35: 80,012,272 km (0.065 R)
• M36: 82,262,523 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.7

Radius: 7

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 9.55 AU - 11.19 AU

Year: 21907 Days

Day: 24.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 129.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,045,511 km

• M1: 99,333 km (0.067 R)
• M2: 711,787 km (0.031 R)
• M3: 1,148,014 km (0.051 R)
• M4: 2,123,093 km (0.082 R)
• M5: 5,084,981 km (0.109 R)
• M6: 9,601,939 km (0.097 R)
• M7: 18,359,997 km (0.103 R)
• M8: 24,424,994 km (0.03 R)
• M9: 25,351,304 km (0.091 R)
• M10: 34,242,653 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 19,434 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit