🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.4

Radius: 12.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.66 AU - 0.68 AU

Year: 379 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,490,410 km

• M1: 155,283 km (0.1 R)
• M2: 571,314 km (0.045 R)
• M3: 1,058,405 km (0.082 R)
• M4: 1,614,311 km (0.072 R)
• M5: 2,024,209 km (0.111 R)
• M6: 2,487,065 km (0.062 R)
• M7: 3,400,060 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.6

Radius: 9.9

Gravity: 9.04 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.79 AU - 1.25 AU

Year: 711 Days

Day: 5.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,490,410 km

• M1: 123,119 km (0.071 R)
• M2: 489,185 km (0.071 R)
• M3: 860,786 km (0.069 R)
• M4: 1,182,272 km (0.12 R)
• M5: 1,507,199 km (0.077 R)
• M6: 2,451,161 km (0.038 R)
• M7: 2,805,558 km (0.069 R)
• M8: 3,220,393 km (0.046 R)
• M9: 3,533,502 km (0.092 R)
• M10: 4,547,775 km (0.039 R)
• M11: 6,250,049 km (0.044 R)
• M12: 7,302,022 km (0.047 R)
• M13: 7,773,704 km (0.086 R)
• M14: 8,215,466 km (0.041 R)
• M15: 8,622,073 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.5

Radius: 14.4

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.99 AU - 1.35 AU

Year: 874 Days

Day: 14.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,490,410 km

• M1: 179,218 km (0.102 R)
• M2: 680,521 km (0.078 R)
• M3: 1,541,905 km (0.109 R)
• M4: 2,026,303 km (0.1 R)
• M5: 2,566,052 km (0.039 R)
• M6: 3,359,669 km (0.115 R)
• M7: 4,605,071 km (0.084 R)
• M8: 5,263,601 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704

Radius: 8.5

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.29 AU - 1.43 AU

Year: 1095 Days

Day: 9.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,490,410 km

• M1: 105,766 km (0.116 R)
• M2: 404,662 km (0.118 R)
• M3: 679,324 km (0.076 R)
• M4: 1,045,988 km (0.073 R)
• M5: 1,372,112 km (0.096 R)
• M6: 1,692,251 km (0.117 R)
• M7: 2,093,772 km (0.113 R)
• M8: 2,643,694 km (0.11 R)
• M9: 3,130,635 km (0.091 R)
• M10: 3,707,484 km (0.053 R)
• M11: 4,530,572 km (0.075 R)
• M12: 5,033,520 km (0.048 R)
• M13: 6,580,960 km (0.098 R)
• M14: 7,939,757 km (0.1 R)
• M15: 8,587,815 km (0.079 R)
• M16: 10,112,367 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.9

Radius: 11.1

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.43 AU - 2.09 AU

Year: 1612 Days

Day: 7.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,490,410 km

• M1: 142,417 km (0.114 R)
• M2: 851,062 km (0.054 R)
• M3: 1,549,385 km (0.116 R)
• M4: 2,316,822 km (0.085 R)
• M5: 4,174,379 km (0.075 R)
• M6: 5,976,435 km (0.086 R)
• M7: 6,825,552 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.7

Radius: 9.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.74 AU - 2.48 AU

Year: 2116 Days

Day: 11.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,490,410 km

• M1: 114,442 km (0.111 R)
• M2: 476,320 km (0.117 R)
• M3: 835,055 km (0.113 R)
• M4: 1,375,403 km (0.1 R)
• M5: 2,145,832 km (0.086 R)
• M6: 2,914,466 km (0.102 R)
• M7: 3,295,791 km (0.111 R)
• M8: 3,839,579 km (0.058 R)
• M9: 4,514,864 km (0.076 R)
• M10: 4,871,505 km (0.069 R)
• M11: 5,770,289 km (0.053 R)
• M12: 6,123,190 km (0.076 R)
• M13: 7,551,102 km (0.088 R)
• M14: 8,356,836 km (0.067 R)
• M15: 9,159,578 km (0.096 R)
• M16: 9,794,621 km (0.058 R)
• M17: 11,085,053 km (0.078 R)
• M18: 11,528,012 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.4

Radius: 10.7

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.87 AU - 2.63 AU

Year: 2330 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,490,410 km

• M1: 133,142 km (0.089 R)
• M2: 556,803 km (0.084 R)
• M3: 1,427,313 km (0.115 R)
• M4: 2,116,211 km (0.058 R)
• M5: 2,457,444 km (0.092 R)
• M6: 3,270,509 km (0.111 R)
• M7: 3,653,928 km (0.098 R)
• M8: 4,446,498 km (0.116 R)
• M9: 5,349,769 km (0.066 R)
• M10: 6,371,224 km (0.086 R)
• M11: 7,549,157 km (0.102 R)
• M12: 7,993,912 km (0.066 R)
• M13: 8,797,252 km (0.104 R)
• M14: 9,254,423 km (0.113 R)
• M15: 10,564,602 km (0.103 R)
• M16: 12,079,878 km (0.114 R)
• M17: 13,875,950 km (0.064 R)
• M18: 15,894,774 km (0.113 R)
• M19: 17,990,191 km (0.054 R)
• M20: 19,250,254 km (0.068 R)
• M21: 20,263,630 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.3

Radius: 7.5

Gravity: 12.15 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.84 AU - 6.9 AU

Year: 12429 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,490,410 km

• M1: 94,695 km (0.1 R)
• M2: 369,656 km (0.115 R)
• M3: 906,114 km (0.081 R)
• M4: 1,280,857 km (0.086 R)
• M5: 1,739,823 km (0.089 R)
• M6: 2,061,608 km (0.047 R)
• M7: 2,422,738 km (0.036 R)
• M8: 2,672,117 km (0.064 R)
• M9: 4,306,324 km (0.099 R)
• M10: 4,674,335 km (0.096 R)
• M11: 6,054,375 km (0.057 R)
• M12: 6,321,258 km (0.06 R)
• M13: 6,716,196 km (0.082 R)
• M14: 6,960,939 km (0.101 R)
• M15: 7,686,937 km (0.068 R)
• M16: 9,239,164 km (0.107 R)
• M17: 9,904,277 km (0.083 R)
• M18: 14,993,895 km (0.105 R)
• M19: 15,768,064 km (0.115 R)
• M20: 18,250,641 km (0.102 R)
• M21: 18,488,502 km (0.071 R)
• M22: 20,043,422 km (0.101 R)
• M23: 25,228,634 km (0.057 R)
• M24: 28,286,564 km (0.057 R)
• M25: 33,560,338 km (0.093 R)
• M26: 39,586,140 km (0.073 R)
• M27: 40,118,559 km (0.093 R)
• M28: 44,265,561 km (0.058 R)
• M29: 48,385,786 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 867

Radius: 3.2

Gravity: 84.67 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.4 AU - 11.3 AU

Year: 19735 Days

Day: 18.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 67.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,490,410 km

• M1: 39,793 km (0.093 R)
• M2: 210,783 km (0.1 R)
• M3: 392,844 km (0.059 R)
• M4: 1,440,029 km (0.068 R)
• M5: 1,574,368 km (0.116 R)
• M6: 2,219,284 km (0.102 R)
• M7: 2,864,650 km (0.092 R)
• M8: 3,105,203 km (0.099 R)
• M9: 4,004,735 km (0.103 R)
• M10: 8,451,233 km (0.071 R)
• M11: 12,595,542 km (0.077 R)
• M12: 13,311,518 km (0.087 R)
• M13: 14,512,789 km (0.116 R)
• M14: 22,020,807 km (0.102 R)
• M15: 22,743,065 km (0.088 R)
• M16: 22,847,634 km (0.1 R)
• M17: 23,694,807 km (0.081 R)
• M18: 28,367,795 km (0.032 R)
• M19: 33,214,318 km (0.104 R)
• M20: 35,973,650 km (0.048 R)
• M21: 38,732,983 km (0.042 R)
• M22: 41,473,915 km (0.074 R)
• M23: 44,016,630 km (0.077 R)
• M24: 45,160,904 km (0.032 R)
• M25: 56,174,599 km (0.099 R)
• M26: 57,714,260 km (0.117 R)
• M27: 59,678,031 km (0.065 R)
• M28: 61,483,079 km (0.078 R)
• M29: 63,531,074 km (0.116 R)
• M30: 63,738,267 km (0.078 R)
• M31: 71,727,841 km (0.102 R)
• M32: 78,914,672 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 586.3

Radius: 6.8

Gravity: 12.68 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.79 AU - 11.97 AU

Year: 23084 Days

Day: 15.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,490,410 km

• M1: 84,523 km (0.092 R)
• M2: 336,745 km (0.119 R)
• M3: 701,016 km (0.117 R)
• M4: 1,401,283 km (0.118 R)
• M5: 1,809,087 km (0.083 R)
• M6: 2,293,485 km (0.1 R)
• M7: 4,580,836 km (0.032 R)
• M8: 5,883,983 km (0.061 R)
• M9: 6,848,740 km (0.102 R)
• M10: 10,010,342 km (0.079 R)
• M11: 11,574,836 km (0.088 R)
• M12: 13,880,588 km (0.084 R)
• M13: 16,145,350 km (0.119 R)
• M14: 17,668,556 km (0.105 R)
• M15: 19,009,252 km (0.107 R)
• M16: 20,320,328 km (0.075 R)
• M17: 23,541,768 km (0.092 R)
• M18: 25,719,016 km (0.077 R)
• M19: 29,846,271 km (0.089 R)
• M20: 31,871,976 km (0.119 R)
• M21: 38,938,082 km (0.053 R)
• M22: 49,541,429 km (0.092 R)
• M23: 51,299,204 km (0.096 R)
• M24: 61,916,913 km (0.114 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 11,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit