🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913

Radius: 13.4

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.73 AU - 0.89 AU

Year: 486 Days

Day: 10.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,241,666 km

• M1: 166,652 km (0.088 R)
• M2: 639,381 km (0.053 R)
• M3: 1,193,641 km (0.098 R)
• M4: 1,890,019 km (0.106 R)
• M5: 2,449,665 km (0.067 R)
• M6: 3,072,142 km (0.051 R)
• M7: 4,276,106 km (0.058 R)
• M8: 4,730,733 km (0.099 R)
• M9: 5,200,770 km (0.087 R)
• M10: 6,103,892 km (0.057 R)
• M11: 6,524,711 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.4

Radius: 8.5

Gravity: 11.71 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.92 AU - 1.1 AU

Year: 677 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,241,666 km

• M1: 105,766 km (0.093 R)
• M2: 1,009,935 km (0.028 R)
• M3: 1,383,182 km (0.117 R)
• M4: 1,651,860 km (0.074 R)
• M5: 2,962,636 km (0.079 R)
• M6: 3,912,732 km (0.069 R)
• M7: 4,572,908 km (0.09 R)
• M8: 5,453,441 km (0.116 R)
• M9: 5,738,574 km (0.118 R)
• M10: 6,174,802 km (0.081 R)
• M11: 6,442,731 km (0.066 R)
• M12: 7,158,258 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 12

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.3 AU - 1.5 AU

Year: 1105 Days

Day: 5.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,241,666 km

• M1: 149,448 km (0.084 R)
• M2: 528,679 km (0.049 R)
• M3: 935,884 km (0.078 R)
• M4: 1,392,158 km (0.096 R)
• M5: 1,949,709 km (0.057 R)
• M6: 4,082,526 km (0.068 R)
• M7: 4,938,675 km (0.113 R)
• M8: 5,527,193 km (0.056 R)
• M9: 9,116,793 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.8

Radius: 8.3

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.52 AU - 1.76 AU

Year: 1401 Days

Day: 6.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 84,241,666 km

• M1: 107,860 km (0.119 R)
• M2: 406,757 km (0.094 R)
• M3: 784,940 km (0.041 R)
• M4: 1,266,047 km (0.112 R)
• M5: 1,561,054 km (0.1 R)
• M6: 2,112,621 km (0.068 R)
• M7: 2,936,606 km (0.07 R)
• M8: 3,308,955 km (0.106 R)
• M9: 5,143,175 km (0.062 R)
• M10: 6,762,721 km (0.078 R)
• M11: 9,681,525 km (0.076 R)
• M12: 10,378,352 km (0.101 R)
• M13: 11,554,940 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.1

Radius: 8.6

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.98 AU - 3.2 AU

Year: 2780 Days

Day: 13.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,241,666 km

• M1: 106,962 km (0.043 R)
• M2: 605,273 km (0.072 R)
• M3: 875,297 km (0.108 R)
• M4: 1,243,906 km (0.095 R)
• M5: 1,518,718 km (0.117 R)
• M6: 1,865,336 km (0.104 R)
• M7: 2,312,334 km (0.096 R)
• M8: 2,640,253 km (0.095 R)
• M9: 3,970,178 km (0.089 R)
• M10: 4,811,367 km (0.097 R)
• M11: 5,632,509 km (0.111 R)
• M12: 6,041,510 km (0.037 R)
• M13: 7,177,855 km (0.079 R)
• M14: 8,421,313 km (0.118 R)
• M15: 10,700,736 km (0.099 R)
• M16: 11,364,950 km (0.087 R)
• M17: 11,908,290 km (0.095 R)
• M18: 12,506,980 km (0.075 R)
• M19: 12,930,193 km (0.025 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.8

Radius: 9.5

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.42 AU - 3.92 AU

Year: 3764 Days

Day: 7.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,241,666 km

• M1: 118,182 km (0.072 R)
• M2: 418,126 km (0.07 R)
• M3: 718,070 km (0.107 R)
• M4: 1,334,563 km (0.115 R)
• M5: 1,831,527 km (0.063 R)
• M6: 2,420,643 km (0.049 R)
• M7: 3,385,699 km (0.116 R)
• M8: 3,690,729 km (0.105 R)
• M9: 4,567,073 km (0.089 R)
• M10: 5,031,425 km (0.107 R)
• M11: 5,625,179 km (0.109 R)
• M12: 6,699,292 km (0.035 R)
• M13: 7,153,621 km (0.04 R)
• M14: 8,092,646 km (0.05 R)
• M15: 10,549,941 km (0.099 R)
• M16: 10,932,014 km (0.106 R)
• M17: 12,384,609 km (0.08 R)
• M18: 12,853,000 km (0.103 R)
• M19: 14,007,447 km (0.069 R)
• M20: 14,609,878 km (0.1 R)
• M21: 16,066,063 km (0.101 R)
• M22: 16,572,303 km (0.1 R)
• M23: 16,881,222 km (0.118 R)
• M24: 17,992,435 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.4

Radius: 7.6

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.88 AU - 6.04 AU

Year: 9703 Days

Day: 23.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,241,666 km

• M1: 117,135 km (0.092 R)
• M2: 961,316 km (0.119 R)
• M3: 2,493,797 km (0.098 R)
• M4: 2,971,163 km (0.075 R)
• M5: 5,967,908 km (0.086 R)
• M6: 8,606,814 km (0.095 R)
• M7: 9,564,091 km (0.064 R)
• M8: 10,452,702 km (0.111 R)
• M9: 11,443,788 km (0.108 R)
• M10: 12,599,731 km (0.084 R)
• M11: 19,082,555 km (0.083 R)
• M12: 19,846,551 km (0.107 R)
• M13: 21,509,780 km (0.066 R)
• M14: 22,489,945 km (0.061 R)
• M15: 23,342,354 km (0.108 R)
• M16: 24,216,006 km (0.07 R)
• M17: 27,929,623 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 640.4

Radius: 4.9

Gravity: 26.67 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 9.44 AU - 12.42 AU

Year: 24097 Days

Day: 23.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 84,241,666 km

• M1: 62,083 km (0.063 R)
• M2: 460,163 km (0.069 R)
• M3: 647,460 km (0.119 R)
• M4: 885,919 km (0.097 R)
• M5: 1,239,269 km (0.094 R)
• M6: 2,333,876 km (0.096 R)
• M7: 3,311,498 km (0.081 R)
• M8: 3,639,267 km (0.032 R)
• M9: 4,680,169 km (0.108 R)
• M10: 5,611,715 km (0.118 R)
• M11: 6,209,060 km (0.06 R)
• M12: 6,477,588 km (0.09 R)
• M13: 7,834,590 km (0.071 R)
• M14: 8,745,192 km (0.101 R)
• M15: 10,086,487 km (0.106 R)
• M16: 10,710,310 km (0.047 R)
• M17: 12,103,515 km (0.089 R)
• M18: 13,538,458 km (0.108 R)
• M19: 14,765,310 km (0.064 R)
• M20: 19,074,477 km (0.12 R)
• M21: 22,128,367 km (0.105 R)
• M22: 22,649,716 km (0.081 R)
• M23: 23,500,629 km (0.118 R)
• M24: 24,043,220 km (0.104 R)
• M25: 25,492,973 km (0.12 R)
• M26: 25,720,960 km (0.11 R)
• M27: 29,058,788 km (0.079 R)
• M28: 29,558,146 km (0.086 R)
• M29: 33,759,751 km (0.12 R)
• M30: 35,009,492 km (0.068 R)
• M31: 37,014,253 km (0.088 R)
• M32: 40,162,840 km (0.063 R)
• M33: 43,974,593 km (0.083 R)
• M34: 55,877,348 km (0.058 R)
• M35: 64,548,489 km (0.116 R)
• M36: 64,972,300 km (0.111 R)
• M37: 72,921,332 km (0.064 R)
• M38: 75,943,808 km (0.159 R)
• M39: 77,605,541 km (0.071 R)
• M40: 79,777,253 km (0.109 R)
• M41: 81,494,188 km (0.074 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 12,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit