🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.5

Radius: 8.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.68 AU - 0.7 AU

Year: 382 Days

Day: 10.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,629,651 km

• M1: 109,506 km (0.113 R)
• M2: 633,397 km (0.099 R)
• M3: 1,009,038 km (0.064 R)
• M4: 1,284,447 km (0.026 R)
• M5: 1,617,003 km (0.112 R)
• M6: 1,906,924 km (0.113 R)
• M7: 2,950,519 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 13.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.35 AU - 1.97 AU

Year: 1426 Days

Day: 9.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,629,651 km

• M1: 163,211 km (0.029 R)
• M2: 694,284 km (0.08 R)
• M3: 1,111,512 km (0.065 R)
• M4: 1,831,826 km (0.084 R)
• M5: 4,344,621 km (0.074 R)
• M6: 5,207,801 km (0.079 R)
• M7: 8,936,977 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.1

Radius: 13.2

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.46 AU - 1.9 AU

Year: 1452 Days

Day: 5.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,629,651 km

• M1: 165,455 km (0.106 R)
• M2: 629,059 km (0.088 R)
• M3: 1,113,607 km (0.065 R)
• M4: 1,599,949 km (0.087 R)
• M5: 2,079,710 km (0.104 R)
• M6: 2,499,032 km (0.118 R)
• M7: 3,107,896 km (0.106 R)
• M8: 4,605,670 km (0.073 R)
• M9: 5,051,621 km (0.073 R)
• M10: 5,706,261 km (0.086 R)
• M11: 7,347,051 km (0.101 R)
• M12: 8,877,437 km (0.056 R)
• M13: 10,065,543 km (0.075 R)
• M14: 11,539,681 km (0.099 R)
• M15: 12,290,363 km (0.081 R)
• M16: 13,314,510 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.2

Radius: 6.4

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 6.25 AU - 7.63 AU

Year: 12192 Days

Day: 18.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 38,629,651 km

• M1: 96,191 km (0.12 R)
• M2: 339,438 km (0.085 R)
• M3: 610,060 km (0.071 R)
• M4: 819,048 km (0.079 R)
• M5: 1,414,897 km (0.082 R)
• M6: 2,087,788 km (0.089 R)
• M7: 2,398,503 km (0.086 R)
• M8: 2,656,709 km (0.057 R)
• M9: 3,229,220 km (0.107 R)
• M10: 3,544,722 km (0.11 R)
• M11: 3,801,282 km (0.112 R)
• M12: 4,468,040 km (0.109 R)
• M13: 4,798,651 km (0.112 R)
• M14: 6,397,852 km (0.116 R)
• M15: 6,935,806 km (0.1 R)
• M16: 7,587,155 km (0.107 R)
• M17: 8,234,016 km (0.101 R)
• M18: 8,548,172 km (0.093 R)
• M19: 8,963,904 km (0.117 R)
• M20: 10,551,587 km (0.069 R)
• M21: 10,762,370 km (0.048 R)
• M22: 13,393,797 km (0.09 R)
• M23: 16,780,094 km (0.116 R)
• M24: 16,995,365 km (0.031 R)
• M25: 19,017,330 km (0.112 R)
• M26: 21,110,803 km (0.113 R)
• M27: 22,041,002 km (0.097 R)
• M28: 24,623,959 km (0.086 R)
• M29: 26,036,013 km (0.11 R)
• M30: 27,105,189 km (0.093 R)
• M31: 36,493,503 km (0.074 R)
• M32: 37,219,352 km (0.08 R)
• M33: 40,605,051 km (0.106 R)
• M34: 48,126,084 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48

Radius: 5.3

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.24 AU - 9.52 AU

Year: 14751 Days

Day: 18.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,629,651 km

• M1: 65,973 km (0.069 R)
• M2: 393,143 km (0.039 R)
• M3: 967,150 km (0.109 R)
• M4: 1,318,107 km (0.097 R)
• M5: 2,197,443 km (0.095 R)
• M6: 2,519,677 km (0.113 R)
• M7: 6,513,491 km (0.089 R)
• M8: 8,603,224 km (0.076 R)
• M9: 9,718,775 km (0.073 R)
• M10: 11,145,640 km (0.08 R)
• M11: 11,909,038 km (0.055 R)
• M12: 13,192,139 km (0.098 R)
• M13: 15,641,056 km (0.116 R)
• M14: 18,438,386 km (0.111 R)
• M15: 18,747,755 km (0.072 R)
• M16: 19,440,243 km (0.117 R)
• M17: 21,212,529 km (0.068 R)
• M18: 22,172,499 km (0.036 R)
• M19: 22,663,329 km (0.07 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.1

Radius: 4.3

Gravity: 51.49 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 7.4 AU - 8.86 AU

Year: 15458 Days

Day: 25 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 38,629,651 km

• M1: 62,382 km (0.117 R)
• M2: 266,883 km (0.088 R)
• M3: 660,175 km (0.075 R)
• M4: 911,649 km (0.106 R)
• M5: 1,104,481 km (0.105 R)
• M6: 1,238,371 km (0.034 R)
• M7: 2,101,102 km (0.116 R)
• M8: 2,308,445 km (0.072 R)
• M9: 2,788,504 km (0.105 R)
• M10: 3,065,260 km (0.036 R)
• M11: 3,332,442 km (0.065 R)
• M12: 3,644,055 km (0.088 R)
• M13: 4,592,954 km (0.104 R)
• M14: 5,124,325 km (0.065 R)
• M15: 5,462,267 km (0.066 R)
• M16: 6,740,730 km (0.078 R)
• M17: 7,425,739 km (0.119 R)
• M18: 12,469,581 km (0.104 R)
• M19: 13,427,755 km (0.101 R)
• M20: 14,880,351 km (0.081 R)
• M21: 20,974,669 km (0.102 R)
• M22: 26,284,944 km (0.068 R)
• M23: 27,968,369 km (0.091 R)
• M24: 37,472,172 km (0.077 R)
• M25: 40,327,248 km (0.103 R)
• M26: 43,786,100 km (0.118 R)
• M27: 46,627,113 km (0.118 R)
• M28: 47,600,696 km (0.106 R)
• M29: 47,928,315 km (0.089 R)
• M30: 52,847,841 km (0.109 R)
• M31: 58,280,338 km (0.082 R)
• M32: 58,467,635 km (0.072 R)
• M33: 61,517,936 km (0.051 R)
• M34: 65,883,052 km (0.108 R)
• M35: 67,314,105 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.8

Radius: 3.6

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 8.92 AU - 10.52 AU

Year: 20208 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,629,651 km

• M1: 47,123 km (0.064 R)
• M2: 169,794 km (0.106 R)
• M3: 428,299 km (0.103 R)
• M4: 647,609 km (0.092 R)
• M5: 1,262,307 km (0.092 R)
• M6: 1,756,429 km (0.113 R)
• M7: 1,890,319 km (0.099 R)
• M8: 9,329,970 km (0.052 R)
• M9: 12,070,304 km (0.096 R)
• M10: 17,866,773 km (0.103 R)
• M11: 20,550,409 km (0.086 R)
• M12: 21,947,952 km (0.049 R)
• M13: 22,670,061 km (0.091 R)
• M14: 28,549,856 km (0.035 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 17,136 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit