🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.9

Radius: 9.2

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.48 AU - 1.52 AU

Year: 1205 Days

Day: 9.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,748,341 km

• M1: 114,442 km (0.074 R)
• M2: 539,151 km (0.107 R)
• M3: 970,441 km (0.084 R)
• M4: 1,293,722 km (0.092 R)
• M5: 1,756,877 km (0.085 R)
• M6: 2,165,878 km (0.082 R)
• M7: 2,742,578 km (0.092 R)
• M8: 3,543,674 km (0.08 R)
• M9: 4,059,787 km (0.11 R)
• M10: 4,363,620 km (0.069 R)
• M11: 4,818,547 km (0.115 R)
• M12: 5,304,890 km (0.081 R)
• M13: 6,187,817 km (0.089 R)
• M14: 6,543,112 km (0.047 R)
• M15: 7,320,871 km (0.084 R)
• M16: 7,691,724 km (0.103 R)
• M17: 9,059,348 km (0.114 R)
• M18: 10,449,411 km (0.09 R)
• M19: 11,057,227 km (0.076 R)
• M20: 11,546,113 km (0.098 R)
• M21: 12,232,618 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.1

Radius: 9.3

Gravity: 11.53 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.29 AU - 3.79 AU

Year: 4369 Days

Day: 7.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,748,341 km

• M1: 115,639 km (0.063 R)
• M2: 412,591 km (0.08 R)
• M3: 883,675 km (0.05 R)
• M4: 1,195,287 km (0.095 R)
• M5: 2,125,187 km (0.11 R)
• M6: 2,628,135 km (0.119 R)
• M7: 2,974,454 km (0.106 R)
• M8: 3,605,309 km (0.12 R)
• M9: 3,895,379 km (0.073 R)
• M10: 4,372,297 km (0.106 R)
• M11: 4,781,597 km (0.097 R)
• M12: 5,385,823 km (0.066 R)
• M13: 8,713,627 km (0.113 R)
• M14: 11,459,047 km (0.071 R)
• M15: 12,090,051 km (0.058 R)
• M16: 14,287,644 km (0.043 R)
• M17: 16,071,449 km (0.109 R)
• M18: 18,389,318 km (0.076 R)
• M19: 19,593,880 km (0.12 R)
• M20: 20,006,770 km (0.089 R)
• M21: 21,497,962 km (0.112 R)
• M22: 22,159,334 km (0.07 R)
• M23: 23,214,747 km (0.06 R)
• M24: 24,780,289 km (0.104 R)
• M25: 25,101,625 km (0.106 R)
• M26: 26,498,570 km (0.095 R)
• M27: 28,207,576 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.3

Radius: 10.2

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 4.22 AU - 4.96 AU

Year: 6451 Days

Day: 10 Hours

Environment

Temp: -212 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,748,341 km

• M1: 126,859 km (0.085 R)
• M2: 854,653 km (0.094 R)
• M3: 1,847,384 km (0.037 R)
• M4: 2,404,636 km (0.084 R)
• M5: 3,304,318 km (0.102 R)
• M6: 3,759,694 km (0.078 R)
• M7: 4,521,296 km (0.106 R)
• M8: 5,661,382 km (0.072 R)
• M9: 5,982,419 km (0.073 R)
• M10: 6,418,197 km (0.107 R)
• M11: 8,132,439 km (0.104 R)
• M12: 9,763,355 km (0.102 R)
• M13: 14,536,874 km (0.084 R)
• M14: 16,465,490 km (0.118 R)
• M15: 20,000,188 km (0.073 R)
• M16: 21,205,947 km (0.058 R)
• M17: 22,459,278 km (0.102 R)
• M18: 22,780,315 km (0.099 R)
• M19: 25,808,176 km (0.066 R)
• M20: 27,236,237 km (0.099 R)
• M21: 27,693,109 km (0.08 R)
• M22: 28,905,001 km (0.06 R)
• M23: 29,764,441 km (0.106 R)
• M24: 31,434,253 km (0.039 R)
• M25: 35,174,947 km (0.114 R)
• M26: 37,940,713 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.4

Radius: 14.3

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.66 AU - 5.96 AU

Year: 8027 Days

Day: 6.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 48,748,341 km

• M1: 177,872 km (0.066 R)
• M2: 863,479 km (0.116 R)
• M3: 1,462,469 km (0.114 R)
• M4: 1,986,361 km (0.113 R)
• M5: 2,729,114 km (0.029 R)
• M6: 4,635,589 km (0.091 R)
• M7: 5,294,717 km (0.049 R)
• M8: 8,959,416 km (0.074 R)
• M9: 9,440,673 km (0.111 R)
• M10: 10,407,673 km (0.093 R)
• M11: 11,138,160 km (0.038 R)
• M12: 12,112,192 km (0.095 R)
• M13: 13,707,503 km (0.072 R)
• M14: 15,191,963 km (0.113 R)
• M15: 17,786,588 km (0.11 R)
• M16: 18,408,766 km (0.056 R)
• M17: 18,902,738 km (0.043 R)
• M18: 19,478,092 km (0.03 R)
• M19: 20,739,650 km (0.104 R)
• M20: 21,197,719 km (0.086 R)
• M21: 22,213,489 km (0.111 R)
• M22: 23,755,843 km (0.098 R)
• M23: 24,341,818 km (0.091 R)
• M24: 26,513,679 km (0.092 R)
• M25: 27,053,578 km (0.063 R)
• M26: 30,057,952 km (0.052 R)
• M27: 30,645,124 km (0.103 R)
• M28: 36,722,238 km (0.08 R)
• M29: 37,280,986 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 970.7

Radius: 4.6

Gravity: 45.87 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.67 AU - 7.27 AU

Year: 9569 Days

Day: 19.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,748,341 km

• M1: 60,138 km (0.074 R)
• M2: 247,884 km (0.079 R)
• M3: 426,803 km (0.098 R)
• M4: 676,182 km (0.088 R)
• M5: 834,607 km (0.101 R)
• M6: 1,397,992 km (0.1 R)
• M7: 1,553,574 km (0.067 R)
• M8: 1,784,553 km (0.101 R)
• M9: 2,220,481 km (0.099 R)
• M10: 2,745,570 km (0.115 R)
• M11: 3,898,820 km (0.045 R)
• M12: 4,415,531 km (0.078 R)
• M13: 6,507,208 km (0.114 R)
• M14: 8,372,245 km (0.077 R)
• M15: 8,841,085 km (0.117 R)
• M16: 14,267,299 km (0.046 R)
• M17: 15,071,387 km (0.084 R)
• M18: 16,118,572 km (0.117 R)
• M19: 19,146,433 km (0.094 R)
• M20: 19,387,734 km (0.102 R)
• M21: 22,443,570 km (0.114 R)
• M22: 24,555,294 km (0.099 R)
• M23: 25,805,633 km (0.032 R)
• M24: 26,198,776 km (0.077 R)
• M25: 28,851,894 km (0.114 R)
• M26: 29,810,368 km (0.088 R)
• M27: 32,928,137 km (0.081 R)
• M28: 33,623,468 km (0.06 R)
• M29: 35,646,330 km (0.098 R)
• M30: 42,882,230 km (0.102 R)
• M31: 43,157,340 km (0.051 R)
• M32: 45,258,293 km (0.056 R)
• M33: 51,968,505 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.5

Radius: 3.1

Gravity: 35.74 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.26 AU - 9.48 AU

Year: 14483 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 48,748,341 km

• M1: 38,596 km (0.034 R)
• M2: 155,731 km (0.105 R)
• M3: 277,803 km (0.082 R)
• M4: 638,933 km (0.061 R)
• M5: 746,194 km (0.08 R)
• M6: 1,251,237 km (0.105 R)
• M7: 2,004,163 km (0.107 R)
• M8: 2,669,424 km (0.114 R)
• M9: 4,841,885 km (0.105 R)
• M10: 10,665,431 km (0.079 R)
• M11: 10,771,645 km (0.084 R)
• M12: 14,886,335 km (0.069 R)
• M13: 16,249,770 km (0.085 R)
• M14: 16,603,269 km (0.074 R)
• M15: 27,489,506 km (0.114 R)
• M16: 28,806,117 km (0.093 R)
• M17: 30,270,232 km (0.104 R)
• M18: 36,023,616 km (0.095 R)
• M19: 39,471,997 km (0.11 R)
• M20: 47,158,485 km (0.045 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 14,423 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit