🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.56 AU - 0.64 AU

Year: 296 Days

Day: 27.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 1.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.03 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.2

Radius: 10.2

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.31 AU - 1.59 AU

Year: 1110 Days

Day: 9.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,018,046 km

• M1: 126,859 km (0.088 R)
• M2: 510,129 km (0.086 R)
• M3: 1,029,084 km (0.115 R)
• M4: 1,659,938 km (0.113 R)
• M5: 2,257,731 km (0.086 R)
• M6: 2,658,504 km (0.1 R)
• M7: 3,121,060 km (0.083 R)
• M8: 3,541,730 km (0.105 R)
• M9: 3,966,139 km (0.102 R)
• M10: 4,461,009 km (0.054 R)
• M11: 5,137,041 km (0.093 R)
• M12: 5,596,008 km (0.081 R)
• M13: 5,991,844 km (0.119 R)
• M14: 6,406,230 km (0.102 R)
• M15: 7,114,127 km (0.068 R)
• M16: 7,738,698 km (0.104 R)
• M17: 8,513,166 km (0.066 R)
• M18: 8,978,415 km (0.103 R)
• M19: 9,739,420 km (0.116 R)
• M20: 10,248,501 km (0.062 R)
• M21: 11,776,344 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39

Radius: 14.6

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.28 AU - 2.44 AU

Year: 2305 Days

Day: 6.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,018,046 km

• M1: 219,011 km (0.1 R)
• M2: 1,471,744 km (0.101 R)
• M3: 2,313,681 km (0.067 R)
• M4: 3,227,724 km (0.099 R)
• M5: 4,401,169 km (0.113 R)
• M6: 6,323,951 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341

Radius: 11.8

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.92 AU - 3.36 AU

Year: 3538 Days

Day: 7 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,018,046 km

• M1: 147,055 km (0.062 R)
• M2: 724,951 km (0.105 R)
• M3: 1,133,204 km (0.042 R)
• M4: 2,338,065 km (0.057 R)
• M5: 2,938,102 km (0.068 R)
• M6: 5,066,431 km (0.1 R)
• M7: 5,543,050 km (0.073 R)
• M8: 7,184,587 km (0.101 R)
• M9: 8,133,337 km (0.107 R)
• M10: 10,316,568 km (0.05 R)
• M11: 18,002,309 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.5

Radius: 9.2

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.25 AU - 3.31 AU

Year: 3777 Days

Day: 14.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,018,046 km

• M1: 114,442 km (0.037 R)
• M2: 423,362 km (0.111 R)
• M3: 899,382 km (0.028 R)
• M4: 1,190,051 km (0.103 R)
• M5: 1,837,660 km (0.032 R)
• M6: 2,393,865 km (0.117 R)
• M7: 2,806,905 km (0.114 R)
• M8: 3,464,836 km (0.069 R)
• M9: 4,362,424 km (0.118 R)
• M10: 4,929,699 km (0.081 R)
• M11: 6,151,464 km (0.034 R)
• M12: 6,579,763 km (0.098 R)
• M13: 7,772,507 km (0.064 R)
• M14: 9,905,922 km (0.073 R)
• M15: 12,069,855 km (0.079 R)
• M16: 14,108,276 km (0.074 R)
• M17: 15,850,942 km (0.09 R)
• M18: 16,423,901 km (0.036 R)
• M19: 17,855,104 km (0.075 R)
• M20: 19,109,931 km (0.088 R)
• M21: 20,692,078 km (0.118 R)
• M22: 24,190,275 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.1

Radius: 4.6

Gravity: 43.2 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.39 AU - 7.59 AU

Year: 11750 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 39,018,046 km

• M1: 57,146 km (0.08 R)
• M2: 218,263 km (0.073 R)
• M3: 388,356 km (0.088 R)
• M4: 555,606 km (0.088 R)
• M5: 1,125,126 km (0.104 R)
• M6: 1,359,695 km (0.068 R)
• M7: 1,518,867 km (0.09 R)
• M8: 1,857,407 km (0.059 R)
• M9: 2,796,134 km (0.097 R)
• M10: 3,512,857 km (0.061 R)
• M11: 3,986,035 km (0.085 R)
• M12: 4,132,940 km (0.113 R)
• M13: 4,595,647 km (0.097 R)
• M14: 5,092,162 km (0.119 R)
• M15: 7,617,673 km (0.025 R)
• M16: 8,169,540 km (0.096 R)
• M17: 9,249,936 km (0.105 R)
• M18: 10,093,069 km (0.095 R)
• M19: 12,737,511 km (0.097 R)
• M20: 17,634,597 km (0.107 R)
• M21: 19,175,156 km (0.119 R)
• M22: 22,428,461 km (0.114 R)
• M23: 25,523,491 km (0.103 R)
• M24: 26,133,850 km (0.084 R)
• M25: 30,114,351 km (0.07 R)
• M26: 31,603,597 km (0.069 R)
• M27: 32,543,970 km (0.027 R)
• M28: 36,749,615 km (0.097 R)
• M29: 37,789,170 km (0.06 R)
• M30: 38,316,353 km (0.12 R)
• M31: 40,063,207 km (0.109 R)
• M32: 44,734,850 km (0.088 R)
• M33: 44,881,755 km (0.041 R)
• M34: 52,647,829 km (0.057 R)
• M35: 55,989,546 km (0.049 R)
• M36: 57,191,715 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 173.9

Radius: 6.7

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.5 AU - 9.64 AU

Year: 14576 Days

Day: 22.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,018,046 km

• M1: 83,326 km (0.113 R)
• M2: 394,789 km (0.099 R)
• M3: 706,401 km (0.094 R)
• M4: 994,078 km (0.088 R)
• M5: 1,825,244 km (0.072 R)
• M6: 2,219,733 km (0.107 R)
• M7: 2,806,157 km (0.039 R)
• M8: 3,266,170 km (0.062 R)
• M9: 3,584,215 km (0.075 R)
• M10: 4,636,038 km (0.074 R)
• M11: 5,309,079 km (0.09 R)
• M12: 5,814,420 km (0.12 R)
• M13: 6,078,909 km (0.108 R)
• M14: 6,920,846 km (0.089 R)
• M15: 7,679,906 km (0.077 R)
• M16: 16,117,824 km (0.117 R)
• M17: 20,774,806 km (0.038 R)
• M18: 26,888,572 km (0.092 R)
• M19: 33,465,044 km (0.109 R)
• M20: 33,676,276 km (0.058 R)
• M21: 36,953,217 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 13,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit