🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.2

Radius: 10.8

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.44 AU - 0.62 AU

Year: 271 Days

Day: 12 Hours

Environment

Temp: -147 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 83,976,848 km

• M1: 134,339 km (0.066 R)
• M2: 494,870 km (0.091 R)
• M3: 1,189,303 km (0.099 R)
• M4: 1,710,203 km (0.102 R)
• M5: 2,413,313 km (0.029 R)
• M6: 3,069,898 km (0.05 R)
• M7: 3,507,472 km (0.112 R)
• M8: 4,072,503 km (0.113 R)
• M9: 4,495,416 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.1

Radius: 9.6

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.82 AU - 1.36 AU

Year: 800 Days

Day: 14.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,976,848 km

• M1: 119,529 km (0.087 R)
• M2: 506,239 km (0.092 R)
• M3: 1,282,054 km (0.089 R)
• M4: 1,790,836 km (0.113 R)
• M5: 2,116,959 km (0.112 R)
• M6: 2,483,025 km (0.114 R)
• M7: 2,808,550 km (0.027 R)
• M8: 3,137,217 km (0.032 R)
• M9: 3,742,789 km (0.058 R)
• M10: 4,203,850 km (0.034 R)
• M11: 4,602,977 km (0.059 R)
• M12: 5,312,370 km (0.114 R)
• M13: 6,073,075 km (0.081 R)
• M14: 6,397,104 km (0.102 R)
• M15: 7,763,232 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 9.1

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.1 AU - 1.46 AU

Year: 1018 Days

Day: 8.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,976,848 km

• M1: 113,694 km (0.079 R)
• M2: 402,269 km (0.05 R)
• M3: 701,764 km (0.112 R)
• M4: 1,357,601 km (0.091 R)
• M5: 2,406,581 km (0.084 R)
• M6: 3,205,284 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.3

Radius: 14

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.19 AU - 1.93 AU

Year: 1370 Days

Day: 10.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,976,848 km

• M1: 174,132 km (0.106 R)
• M2: 667,207 km (0.089 R)
• M3: 2,051,884 km (0.079 R)
• M4: 2,833,832 km (0.1 R)
• M5: 4,119,177 km (0.101 R)
• M6: 5,492,336 km (0.027 R)
• M7: 6,353,272 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 9.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.75 AU - 2.45 AU

Year: 2139 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,976,848 km

• M1: 113,246 km (0.089 R)
• M2: 409,599 km (0.101 R)
• M3: 713,582 km (0.098 R)
• M4: 1,088,773 km (0.111 R)
• M5: 1,988,305 km (0.096 R)
• M6: 2,510,103 km (0.043 R)
• M7: 2,803,913 km (0.096 R)
• M8: 3,272,603 km (0.099 R)
• M9: 3,608,001 km (0.053 R)
• M10: 3,966,288 km (0.08 R)
• M11: 5,689,057 km (0.04 R)
• M12: 6,417,449 km (0.045 R)
• M13: 9,351,213 km (0.066 R)
• M14: 11,021,174 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.4

Radius: 9.5

Gravity: 9.01 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.27 AU - 2.91 AU

Year: 2930 Days

Day: 5.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 55.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,976,848 km

• M1: 118,182 km (0.096 R)
• M2: 483,201 km (0.057 R)
• M3: 801,097 km (0.097 R)
• M4: 1,302,100 km (0.086 R)
• M5: 1,756,578 km (0.104 R)
• M6: 2,581,311 km (0.109 R)
• M7: 3,072,740 km (0.071 R)
• M8: 4,286,577 km (0.083 R)
• M9: 4,881,229 km (0.059 R)
• M10: 5,477,975 km (0.066 R)
• M11: 5,848,080 km (0.097 R)
• M12: 6,521,570 km (0.071 R)
• M13: 7,498,892 km (0.096 R)
• M14: 8,396,928 km (0.117 R)
• M15: 10,687,870 km (0.075 R)
• M16: 13,225,349 km (0.106 R)
• M17: 13,893,304 km (0.076 R)
• M18: 15,556,832 km (0.102 R)
• M19: 17,803,493 km (0.081 R)
• M20: 20,195,713 km (0.05 R)
• M21: 20,889,398 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.9

Radius: 11.4

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 3.25 AU - 3.49 AU

Year: 4349 Days

Day: 11.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,976,848 km

• M1: 142,268 km (0.071 R)
• M2: 780,003 km (0.12 R)
• M3: 1,476,980 km (0.111 R)
• M4: 2,041,113 km (0.098 R)
• M5: 2,439,193 km (0.071 R)
• M6: 3,498,795 km (0.105 R)
• M7: 4,097,785 km (0.116 R)
• M8: 4,738,064 km (0.072 R)
• M9: 5,359,194 km (0.102 R)
• M10: 7,237,096 km (0.102 R)
• M11: 9,312,318 km (0.039 R)
• M12: 11,709,325 km (0.069 R)
• M13: 14,602,099 km (0.035 R)
• M14: 16,213,866 km (0.031 R)
• M15: 24,010,608 km (0.091 R)
• M16: 29,505,786 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.6

Radius: 5.3

Gravity: 31.6 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6 AU - 6.04 AU

Year: 10383 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,976,848 km

• M1: 65,973 km (0.069 R)
• M2: 289,173 km (0.094 R)
• M3: 462,706 km (0.057 R)
• M4: 683,662 km (0.101 R)
• M5: 1,084,585 km (0.1 R)
• M6: 1,291,778 km (0.028 R)
• M7: 2,006,556 km (0.085 R)
• M8: 2,711,162 km (0.071 R)
• M9: 5,073,612 km (0.104 R)
• M10: 5,241,012 km (0.037 R)
• M11: 7,375,624 km (0.114 R)
• M12: 8,123,613 km (0.097 R)
• M13: 10,081,251 km (0.071 R)
• M14: 10,507,306 km (0.106 R)
• M15: 11,225,375 km (0.069 R)
• M16: 11,452,615 km (0.101 R)
• M17: 12,212,871 km (0.025 R)
• M18: 13,511,081 km (0.07 R)
• M19: 14,160,486 km (0.067 R)
• M20: 18,817,767 km (0.095 R)
• M21: 21,576,202 km (0.089 R)
• M22: 22,552,477 km (0.096 R)
• M23: 24,024,520 km (0.077 R)
• M24: 26,251,135 km (0.027 R)
• M25: 28,400,857 km (0.077 R)
• M26: 29,680,517 km (0.118 R)
• M27: 30,334,559 km (0.093 R)
• M28: 30,998,175 km (0.099 R)
• M29: 34,104,575 km (0.115 R)
• M30: 35,549,391 km (0.052 R)
• M31: 36,286,908 km (0.094 R)
• M32: 37,034,598 km (0.079 R)
• M33: 38,689,600 km (0.113 R)
• M34: 46,238,907 km (0.095 R)
• M35: 46,823,236 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 989.3

Radius: 6.5

Gravity: 23.42 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.3 AU - 10.9 AU

Year: 19296 Days

Day: 22.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 83,976,848 km

• M1: 80,783 km (0.058 R)
• M2: 287,228 km (0.055 R)
• M3: 857,794 km (0.096 R)
• M4: 1,062,145 km (0.103 R)
• M5: 1,455,587 km (0.109 R)
• M6: 1,787,844 km (0.119 R)
• M7: 2,508,307 km (0.118 R)
• M8: 2,881,853 km (0.081 R)
• M9: 4,126,956 km (0.083 R)
• M10: 4,469,685 km (0.119 R)
• M11: 4,684,358 km (0.092 R)
• M12: 4,943,462 km (0.084 R)
• M13: 5,212,139 km (0.109 R)
• M14: 5,820,853 km (0.109 R)
• M15: 6,077,114 km (0.067 R)
• M16: 6,385,735 km (0.089 R)
• M17: 9,301,248 km (0.088 R)
• M18: 11,209,668 km (0.04 R)
• M19: 12,855,992 km (0.108 R)
• M20: 14,972,802 km (0.074 R)
• M21: 15,947,133 km (0.092 R)
• M22: 16,705,295 km (0.039 R)
• M23: 19,595,825 km (0.079 R)
• M24: 27,521,819 km (0.118 R)
• M25: 29,981,508 km (0.045 R)
• M26: 32,717,802 km (0.066 R)
• M27: 33,802,536 km (0.106 R)
• M28: 39,893,863 km (0.092 R)
• M29: 44,997,693 km (0.079 R)
• M30: 47,705,564 km (0.031 R)
• M31: 49,984,089 km (0.059 R)
• M32: 62,472,370 km (0.111 R)
• M33: 69,986,222 km (0.112 R)
• M34: 82,227,367 km (0.112 R)
• M35: 82,974,160 km (0.088 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: 414 - 12,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit