🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.1

Radius: 12.6

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.61 AU - 0.71 AU

Year: 370 Days

Day: 6.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,352,369 km

• M1: 159,771 km (0.076 R)
• M2: 558,299 km (0.113 R)
• M3: 1,215,184 km (0.075 R)
• M4: 1,756,429 km (0.104 R)
• M5: 2,224,221 km (0.03 R)
• M6: 2,856,721 km (0.104 R)
• M7: 3,558,485 km (0.092 R)
• M8: 3,983,193 km (0.111 R)
• M9: 4,626,613 km (0.044 R)
• M10: 5,227,847 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.7

Radius: 9.1

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.65 AU - 0.69 AU

Year: 379 Days

Day: 14.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,352,369 km

• M1: 113,096 km (0.099 R)
• M2: 449,242 km (0.111 R)
• M3: 935,884 km (0.071 R)
• M4: 1,263,653 km (0.086 R)
• M5: 1,589,029 km (0.117 R)
• M6: 1,880,595 km (0.097 R)
• M7: 2,480,931 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.6

Radius: 9.5

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.78 AU - 0.84 AU

Year: 503 Days

Day: 9.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,352,369 km

• M1: 118,182 km (0.082 R)
• M2: 427,700 km (0.119 R)
• M3: 725,849 km (0.074 R)
• M4: 1,259,464 km (0.087 R)
• M5: 1,659,040 km (0.078 R)
• M6: 2,151,367 km (0.118 R)
• M7: 2,505,615 km (0.078 R)
• M8: 3,179,703 km (0.073 R)
• M9: 3,654,526 km (0.112 R)
• M10: 3,956,415 km (0.104 R)
• M11: 4,610,606 km (0.106 R)
• M12: 5,107,122 km (0.12 R)
• M13: 5,485,604 km (0.114 R)
• M14: 6,079,508 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.8

Radius: 10.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.17 AU - 3.33 AU

Year: 3148 Days

Day: 9.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,352,369 km

• M1: 125,662 km (0.078 R)
• M2: 920,625 km (0.1 R)
• M3: 1,235,978 km (0.105 R)
• M4: 1,614,460 km (0.118 R)
• M5: 2,070,435 km (0.092 R)
• M6: 2,534,936 km (0.108 R)
• M7: 3,445,089 km (0.085 R)
• M8: 3,853,192 km (0.032 R)
• M9: 4,628,109 km (0.096 R)
• M10: 7,390,135 km (0.084 R)
• M11: 8,172,532 km (0.119 R)
• M12: 8,653,788 km (0.093 R)
• M13: 9,045,136 km (0.119 R)
• M14: 12,525,231 km (0.094 R)
• M15: 13,446,754 km (0.091 R)
• M16: 13,875,950 km (0.095 R)
• M17: 15,580,319 km (0.119 R)
• M18: 16,482,993 km (0.113 R)
• M19: 19,340,013 km (0.08 R)
• M20: 20,507,325 km (0.086 R)

Asteroid Belt

Center: 3.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 10.7

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.62 AU - 4.16 AU

Year: 4308 Days

Day: 8.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,352,369 km

• M1: 137,929 km (0.094 R)
• M2: 564,882 km (0.099 R)
• M3: 1,060,200 km (0.108 R)
• M4: 1,571,376 km (0.095 R)
• M5: 2,461,035 km (0.062 R)
• M6: 3,519,589 km (0.1 R)
• M7: 5,666,767 km (0.115 R)
• M8: 6,253,939 km (0.048 R)
• M9: 8,984,998 km (0.088 R)
• M10: 12,386,853 km (0.05 R)
• M11: 14,196,988 km (0.093 R)
• M12: 14,959,039 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969

Radius: 7

Gravity: 19.78 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.56 AU - 6.34 AU

Year: 10018 Days

Day: 18.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,352,369 km

• M1: 87,066 km (0.053 R)
• M2: 651,948 km (0.093 R)
• M3: 1,133,952 km (0.097 R)
• M4: 2,534,338 km (0.102 R)
• M5: 3,015,145 km (0.074 R)
• M6: 3,478,001 km (0.095 R)
• M7: 3,987,082 km (0.078 R)
• M8: 4,363,321 km (0.097 R)
• M9: 5,120,137 km (0.088 R)
• M10: 6,810,293 km (0.102 R)
• M11: 7,391,032 km (0.028 R)
• M12: 10,854,971 km (0.112 R)
• M13: 11,879,866 km (0.076 R)
• M14: 12,235,460 km (0.048 R)
• M15: 13,793,821 km (0.096 R)
• M16: 15,340,364 km (0.08 R)
• M17: 18,773,785 km (0.028 R)
• M18: 20,583,620 km (0.091 R)
• M19: 23,978,444 km (0.109 R)
• M20: 24,261,334 km (0.116 R)
• M21: 26,404,623 km (0.081 R)
• M22: 26,908,767 km (0.098 R)
• M23: 28,144,895 km (0.098 R)
• M24: 29,526,281 km (0.11 R)
• M25: 30,288,482 km (0.101 R)
• M26: 33,469,232 km (0.112 R)
• M27: 33,822,583 km (0.071 R)
• M28: 34,777,316 km (0.11 R)
• M29: 36,615,724 km (0.116 R)
• M30: 36,990,916 km (0.12 R)
• M31: 37,622,219 km (0.107 R)
• M32: 45,333,241 km (0.115 R)
• M33: 46,639,829 km (0.049 R)
• M34: 49,785,573 km (0.114 R)
• M35: 50,092,398 km (0.094 R)
• M36: 53,711,470 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.8

Radius: 3.9

Gravity: 36.67 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.68 AU - 9.28 AU

Year: 14121 Days

Day: 21.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,352,369 km

• M1: 48,470 km (0.052 R)
• M2: 190,139 km (0.11 R)
• M3: 1,144,125 km (0.101 R)
• M4: 1,774,530 km (0.08 R)
• M5: 3,597,230 km (0.06 R)
• M6: 4,523,989 km (0.08 R)
• M7: 4,713,979 km (0.119 R)
• M8: 7,827,110 km (0.118 R)
• M9: 8,912,144 km (0.111 R)
• M10: 9,723,562 km (0.103 R)
• M11: 10,638,503 km (0.092 R)
• M12: 15,364,898 km (0.109 R)
• M13: 17,360,384 km (0.076 R)
• M14: 23,606,394 km (0.106 R)
• M15: 28,761,088 km (0.109 R)
• M16: 39,464,217 km (0.103 R)
• M17: 46,207,790 km (0.115 R)
• M18: 46,801,993 km (0.088 R)
• M19: 54,007,225 km (0.09 R)
• M20: 54,832,257 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.3

Radius: 7

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 10.45 AU - 10.69 AU

Year: 23720 Days

Day: 16 Hours

Environment

Temp: -238 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,352,369 km

• M1: 90,208 km (0.03 R)
• M2: 319,840 km (0.096 R)
• M3: 673,190 km (0.06 R)
• M4: 921,523 km (0.091 R)
• M5: 3,768,221 km (0.113 R)
• M6: 4,333,551 km (0.099 R)
• M7: 5,671,704 km (0.114 R)
• M8: 6,852,779 km (0.047 R)
• M9: 7,597,029 km (0.1 R)
• M10: 8,706,596 km (0.104 R)
• M11: 9,578,901 km (0.089 R)
• M12: 13,022,644 km (0.094 R)
• M13: 14,604,941 km (0.097 R)
• M14: 14,905,782 km (0.115 R)
• M15: 21,246,488 km (0.117 R)
• M16: 28,588,452 km (0.101 R)
• M17: 37,598,882 km (0.103 R)
• M18: 41,828,013 km (0.106 R)
• M19: 45,399,513 km (0.091 R)
• M20: 45,719,353 km (0.105 R)
• M21: 48,499,031 km (0.066 R)
• M22: 50,015,355 km (0.117 R)
• M23: 53,854,336 km (0.048 R)
• M24: 57,137,860 km (0.066 R)
• M25: 60,166,468 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 18,430 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit