🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.4

Radius: 11.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.8 AU - 0.8 AU

Year: 462 Days

Day: 9.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,536,543 km

• M1: 153,936 km (0.101 R)
• M2: 384,018 km (0.113 R)
• M3: 722,857 km (0.115 R)
• M4: 945,608 km (0.109 R)
• M5: 1,258,866 km (0.067 R)
• M6: 1,522,158 km (0.112 R)
• M7: 1,912,609 km (0.087 R)
• M8: 2,179,641 km (0.091 R)
• M9: 2,487,065 km (0.103 R)
• M10: 2,739,586 km (0.099 R)
• M11: 3,158,909 km (0.107 R)
• M12: 3,778,693 km (0.088 R)
• M13: 4,157,624 km (0.048 R)
• M14: 4,615,094 km (0.09 R)
• M15: 4,982,207 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.5

Radius: 12.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.9 AU - 1.12 AU

Year: 655 Days

Day: 12.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,536,543 km

• M1: 168,597 km (0.03 R)
• M2: 453,282 km (0.073 R)
• M3: 731,683 km (0.12 R)
• M4: 1,293,423 km (0.108 R)
• M5: 1,550,881 km (0.117 R)
• M6: 1,817,165 km (0.103 R)
• M7: 2,312,633 km (0.056 R)
• M8: 2,584,602 km (0.117 R)
• M9: 2,895,018 km (0.106 R)
• M10: 3,255,549 km (0.058 R)
• M11: 3,964,194 km (0.058 R)
• M12: 4,350,456 km (0.107 R)
• M13: 4,755,268 km (0.115 R)
• M14: 5,068,825 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.7

Radius: 12.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.18 AU - 1.8 AU

Year: 1174 Days

Day: 9.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 90.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,536,543 km

• M1: 158,424 km (0.115 R)
• M2: 401,969 km (0.111 R)
• M3: 647,609 km (0.093 R)
• M4: 1,004,849 km (0.103 R)
• M5: 1,506,750 km (0.112 R)
• M6: 1,831,676 km (0.106 R)
• M7: 2,310,689 km (0.082 R)
• M8: 2,641,749 km (0.069 R)
• M9: 2,917,757 km (0.115 R)
• M10: 3,427,736 km (0.055 R)
• M11: 3,743,388 km (0.069 R)
• M12: 4,073,700 km (0.094 R)
• M13: 4,702,160 km (0.06 R)
• M14: 5,243,854 km (0.097 R)
• M15: 6,316,321 km (0.088 R)
• M16: 6,611,627 km (0.085 R)
• M17: 6,975,150 km (0.093 R)
• M18: 7,927,490 km (0.052 R)
• M19: 8,309,115 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 9.4

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.53 AU - 1.53 AU

Year: 1222 Days

Day: 10.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,536,543 km

• M1: 118,033 km (0.083 R)
• M2: 463,903 km (0.11 R)
• M3: 762,650 km (0.113 R)
• M4: 1,010,982 km (0.113 R)
• M5: 1,273,377 km (0.063 R)
• M6: 2,613,026 km (0.081 R)
• M7: 3,304,318 km (0.029 R)
• M8: 4,512,171 km (0.097 R)
• M9: 5,236,374 km (0.038 R)
• M10: 6,648,279 km (0.079 R)
• M11: 7,008,211 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.9

Radius: 13.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.65 AU - 3.09 AU

Year: 3139 Days

Day: 13 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,536,543 km

• M1: 175,478 km (0.066 R)
• M2: 481,256 km (0.034 R)
• M3: 743,352 km (0.064 R)
• M4: 1,093,860 km (0.118 R)
• M5: 1,369,868 km (0.054 R)
• M6: 1,657,544 km (0.11 R)
• M7: 2,029,744 km (0.083 R)
• M8: 2,325,050 km (0.105 R)
• M9: 2,964,431 km (0.088 R)
• M10: 4,764,243 km (0.108 R)
• M11: 5,244,453 km (0.041 R)
• M12: 5,562,348 km (0.07 R)
• M13: 6,675,207 km (0.118 R)
• M14: 6,956,750 km (0.098 R)
• M15: 7,483,933 km (0.087 R)
• M16: 8,142,612 km (0.099 R)
• M17: 9,575,461 km (0.047 R)
• M18: 10,320,458 km (0.116 R)
• M19: 11,861,615 km (0.104 R)
• M20: 12,796,153 km (0.118 R)
• M21: 13,547,882 km (0.064 R)
• M22: 15,078,119 km (0.068 R)
• M23: 15,658,708 km (0.078 R)
• M24: 18,260,215 km (0.051 R)
• M25: 19,374,719 km (0.087 R)
• M26: 19,944,388 km (0.102 R)
• M27: 22,729,003 km (0.097 R)
• M28: 23,060,362 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.1

Radius: 9.6

Gravity: 10.56 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.05 AU - 3.65 AU

Year: 3959 Days

Day: 5.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,536,543 km

• M1: 120,875 km (0.082 R)
• M2: 313,856 km (0.042 R)
• M3: 543,040 km (0.06 R)
• M4: 985,252 km (0.087 R)
• M5: 1,359,097 km (0.11 R)
• M6: 1,971,401 km (0.062 R)
• M7: 2,723,280 km (0.12 R)
• M8: 3,995,161 km (0.114 R)
• M9: 4,452,631 km (0.051 R)
• M10: 4,633,644 km (0.117 R)
• M11: 4,982,955 km (0.05 R)
• M12: 5,518,965 km (0.043 R)
• M13: 5,900,439 km (0.082 R)
• M14: 6,841,111 km (0.116 R)
• M15: 7,644,750 km (0.056 R)
• M16: 7,912,680 km (0.057 R)
• M17: 8,400,668 km (0.118 R)
• M18: 9,031,373 km (0.037 R)
• M19: 10,362,345 km (0.083 R)
• M20: 11,062,463 km (0.104 R)
• M21: 13,695,386 km (0.084 R)
• M22: 14,458,933 km (0.112 R)
• M23: 14,993,447 km (0.064 R)
• M24: 16,220,897 km (0.043 R)
• M25: 16,918,921 km (0.077 R)
• M26: 18,130,664 km (0.067 R)
• M27: 18,313,622 km (0.115 R)
• M28: 18,682,680 km (0.067 R)
• M29: 18,868,480 km (0.114 R)
• M30: 19,102,152 km (0.048 R)
• M31: 22,220,370 km (0.095 R)
• M32: 22,575,815 km (0.111 R)
• M33: 24,608,102 km (0.073 R)
• M34: 25,630,005 km (0.106 R)
• M35: 27,849,738 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 671.2

Radius: 5.7

Gravity: 20.66 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.11 AU - 8.53 AU

Year: 15495 Days

Day: 15.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,536,543 km

• M1: 91,554 km (0.061 R)
• M2: 307,872 km (0.109 R)
• M3: 633,547 km (0.058 R)
• M4: 1,561,503 km (0.095 R)
• M5: 1,911,262 km (0.116 R)
• M6: 2,418,399 km (0.057 R)
• M7: 2,747,066 km (0.118 R)
• M8: 3,527,967 km (0.066 R)
• M9: 3,862,168 km (0.111 R)
• M10: 4,050,961 km (0.116 R)
• M11: 5,426,364 km (0.077 R)
• M12: 5,994,686 km (0.106 R)
• M13: 6,269,796 km (0.075 R)
• M14: 6,470,108 km (0.092 R)
• M15: 7,782,829 km (0.072 R)
• M16: 15,298,177 km (0.083 R)
• M17: 16,569,161 km (0.108 R)
• M18: 17,422,766 km (0.112 R)
• M19: 17,958,626 km (0.074 R)
• M20: 18,985,466 km (0.064 R)
• M21: 20,327,359 km (0.079 R)
• M22: 21,789,379 km (0.114 R)
• M23: 23,302,412 km (0.105 R)
• M24: 23,999,986 km (0.089 R)
• M25: 25,185,400 km (0.039 R)
• M26: 25,425,804 km (0.03 R)
• M27: 29,777,007 km (0.11 R)
• M28: 31,363,343 km (0.115 R)
• M29: 33,635,136 km (0.12 R)
• M30: 35,795,479 km (0.096 R)
• M31: 37,925,005 km (0.116 R)
• M32: 44,789,902 km (0.117 R)
• M33: 45,647,845 km (0.114 R)
• M34: 49,160,852 km (0.041 R)
• M35: 51,766,548 km (0.051 R)
• M36: 53,735,705 km (0.116 R)
• M37: 55,503,802 km (0.085 R)
• M38: 58,027,219 km (0.106 R)
• M39: 61,479,190 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.7

Radius: 6.5

Gravity: 11.21 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.79 AU - 10.13 AU

Year: 18787 Days

Day: 17.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 64,536,543 km

• M1: 86,019 km (0.074 R)
• M2: 493,374 km (0.085 R)
• M3: 725,400 km (0.079 R)
• M4: 1,203,964 km (0.026 R)
• M5: 2,556,927 km (0.119 R)
• M6: 5,390,011 km (0.055 R)
• M7: 6,235,090 km (0.034 R)
• M8: 6,557,922 km (0.079 R)
• M9: 7,057,579 km (0.053 R)
• M10: 10,445,372 km (0.081 R)
• M11: 11,075,030 km (0.101 R)
• M12: 11,450,819 km (0.115 R)
• M13: 11,613,881 km (0.039 R)
• M14: 11,943,296 km (0.113 R)
• M15: 12,730,180 km (0.112 R)
• M16: 15,556,683 km (0.118 R)
• M17: 17,043,536 km (0.038 R)
• M18: 20,366,404 km (0.046 R)
• M19: 21,688,998 km (0.113 R)
• M20: 24,222,289 km (0.056 R)
• M21: 32,572,992 km (0.102 R)
• M22: 36,240,533 km (0.117 R)
• M23: 36,627,842 km (0.12 R)
• M24: 37,506,729 km (0.077 R)
• M25: 38,098,389 km (0.108 R)
• M26: 40,511,552 km (0.113 R)
• M27: 41,023,626 km (0.11 R)
• M28: 42,265,886 km (0.066 R)
• M29: 46,869,462 km (0.113 R)
• M30: 54,517,653 km (0.109 R)
• M31: 60,228,103 km (0.111 R)
• M32: 63,893,550 km (0.059 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 13,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit