🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.53 AU - 0.65 AU

Year: 297 Days

Day: 43.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 18.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 8.8

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.56 AU - 0.8 AU

Year: 368 Days

Day: 11.7 Hours

Environment

Temp: -130 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 40,331,190 km

• M1: 114,592 km (0.083 R)
• M2: 174,132 km (0.089 R)
• M3: 235,018 km (0.102 R)
• M4: 297,700 km (0.066 R)
• M5: 385,514 km (0.041 R)
• M6: 471,084 km (0.119 R)
• M7: 564,134 km (0.097 R)
• M8: 623,823 km (0.116 R)
• M9: 758,312 km (0.072 R)
• M10: 845,527 km (0.043 R)
• M11: 902,823 km (0.116 R)
• M12: 1,013,077 km (0.084 R)
• M13: 1,083,238 km (0.112 R)
• M14: 1,177,934 km (0.118 R)
• M15: 1,289,683 km (0.114 R)
• M16: 1,414,897 km (0.103 R)
• M17: 1,498,971 km (0.058 R)
• M18: 1,651,560 km (0.092 R)
• M19: 1,719,328 km (0.109 R)
• M20: 1,820,008 km (0.082 R)
• M21: 1,939,237 km (0.11 R)
• M22: 2,145,682 km (0.105 R)
• M23: 2,237,236 km (0.084 R)
• M24: 2,359,308 km (0.104 R)
• M25: 2,442,036 km (0.11 R)
• M26: 2,592,082 km (0.113 R)
• M27: 2,695,903 km (0.044 R)
• M28: 2,807,354 km (0.108 R)
• M29: 2,939,299 km (0.084 R)
• M30: 3,092,786 km (0.106 R)
• M31: 3,361,015 km (0.103 R)
• M32: 3,427,586 km (0.053 R)
• M33: 3,589,152 km (0.061 R)
• M34: 3,774,055 km (0.088 R)
• M35: 3,850,200 km (0.078 R)
• M36: 3,983,193 km (0.069 R)
• M37: 4,110,501 km (0.073 R)
• M38: 4,246,336 km (0.101 R)
• M39: 4,318,442 km (0.079 R)
• M40: 4,633,196 km (0.1 R)
• M41: 4,752,276 km (0.086 R)
• M42: 4,887,362 km (0.037 R)
• M43: 4,985,798 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 13.2

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.96 AU - 1.28 AU

Year: 778 Days

Day: 14.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 40,331,190 km

• M1: 165,754 km (0.116 R)
• M2: 332,257 km (0.113 R)
• M3: 425,756 km (0.075 R)
• M4: 508,034 km (0.086 R)
• M5: 592,408 km (0.101 R)
• M6: 699,220 km (0.076 R)
• M7: 813,663 km (0.107 R)
• M8: 979,417 km (0.106 R)
• M9: 1,123,330 km (0.098 R)
• M10: 1,289,234 km (0.062 R)
• M11: 1,523,505 km (0.09 R)
• M12: 1,622,987 km (0.09 R)
• M13: 1,724,564 km (0.07 R)
• M14: 1,836,613 km (0.093 R)
• M15: 2,001,021 km (0.076 R)
• M16: 2,161,988 km (0.114 R)
• M17: 2,274,636 km (0.06 R)
• M18: 2,487,962 km (0.11 R)
• M19: 2,643,095 km (0.097 R)
• M20: 2,829,943 km (0.102 R)
• M21: 3,256,446 km (0.118 R)
• M22: 3,376,424 km (0.071 R)
• M23: 3,538,738 km (0.08 R)
• M24: 3,755,655 km (0.088 R)
• M25: 3,977,209 km (0.098 R)
• M26: 4,224,793 km (0.051 R)
• M27: 4,477,464 km (0.039 R)
• M28: 4,566,475 km (0.079 R)
• M29: 4,667,454 km (0.051 R)
• M30: 4,757,811 km (0.106 R)
• M31: 4,860,285 km (0.078 R)
• M32: 4,997,915 km (0.108 R)
• M33: 5,125,223 km (0.054 R)
• M34: 5,478,124 km (0.043 R)
• M35: 5,729,898 km (0.108 R)
• M36: 5,948,759 km (0.101 R)
• M37: 6,195,297 km (0.044 R)
• M38: 7,149,581 km (0.085 R)
• M39: 7,240,986 km (0.066 R)
• M40: 7,411,827 km (0.086 R)
• M41: 7,730,769 km (0.102 R)
• M42: 8,054,200 km (0.088 R)
• M43: 8,327,216 km (0.108 R)
• M44: 8,756,412 km (0.066 R)
• M45: 8,840,337 km (0.098 R)
• M46: 8,952,685 km (0.08 R)
• M47: 9,136,241 km (0.112 R)
• M48: 9,378,141 km (0.113 R)
• M49: 9,478,371 km (0.072 R)
• M50: 9,636,646 km (0.111 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216

Radius: 3.8

Gravity: 14.96 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 7.44 AU - 7.76 AU

Year: 13745 Days

Day: 24.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 40,331,190 km

• M1: 128,804 km (0.114 R)
• M2: 206,445 km (0.091 R)
• M3: 256,560 km (0.099 R)
• M4: 444,754 km (0.057 R)
• M5: 497,712 km (0.04 R)
• M6: 1,045,540 km (0.093 R)
• M7: 1,171,351 km (0.046 R)
• M8: 1,577,510 km (0.106 R)
• M9: 1,638,845 km (0.105 R)
• M10: 1,892,114 km (0.101 R)
• M11: 1,935,497 km (0.098 R)
• M12: 2,410,919 km (0.113 R)
• M13: 2,649,677 km (0.093 R)
• M14: 3,021,727 km (0.078 R)
• M15: 3,436,413 km (0.067 R)
• M16: 4,813,311 km (0.115 R)
• M17: 4,932,391 km (0.119 R)
• M18: 5,082,737 km (0.083 R)
• M19: 5,204,061 km (0.06 R)
• M20: 5,449,551 km (0.112 R)
• M21: 5,667,515 km (0.065 R)
• M22: 6,111,971 km (0.038 R)
• M23: 6,732,951 km (0.106 R)
• M24: 6,899,603 km (0.06 R)
• M25: 7,339,421 km (0.12 R)
• M26: 7,928,238 km (0.06 R)
• M27: 8,495,962 km (0.101 R)
• M28: 9,040,199 km (0.076 R)
• M29: 10,085,888 km (0.087 R)
• M30: 10,430,113 km (0.102 R)
• M31: 10,894,914 km (0.1 R)
• M32: 11,247,965 km (0.079 R)
• M33: 11,724,584 km (0.058 R)
• M34: 12,045,920 km (0.079 R)
• M35: 12,329,557 km (0.047 R)
• M36: 12,656,279 km (0.043 R)
• M37: 13,611,611 km (0.116 R)
• M38: 13,906,917 km (0.093 R)
• M39: 14,161,832 km (0.09 R)
• M40: 14,289,738 km (0.06 R)
• M41: 14,676,000 km (0.116 R)
• M42: 15,283,666 km (0.044 R)
• M43: 15,458,846 km (0.1 R)
• M44: 16,299,735 km (0.117 R)
• M45: 16,523,534 km (0.087 R)
• M46: 16,658,321 km (0.072 R)
• M47: 16,748,379 km (0.048 R)
• M48: 16,928,944 km (0.112 R)
• M49: 17,703,412 km (0.118 R)
• M50: 17,841,341 km (0.113 R)
• M51: 17,979,570 km (0.056 R)
• M52: 18,071,872 km (0.045 R)
• M53: 18,535,924 km (0.071 R)
• M54: 19,428,575 km (0.102 R)
• M55: 19,523,420 km (0.026 R)
• M56: 20,720,951 km (0.115 R)
• M57: 21,157,926 km (0.073 R)
• M58: 21,255,464 km (0.084 R)
• M59: 22,686,068 km (0.036 R)
• M60: 23,589,490 km (0.12 R)
• M61: 24,045,614 km (0.077 R)
• M62: 24,966,538 km (0.051 R)
• M63: 26,421,976 km (0.116 R)
• M64: 28,065,159 km (0.113 R)
• M65: 28,440,799 km (0.101 R)
• M66: 29,034,404 km (0.071 R)
• M67: 29,632,047 km (0.083 R)
• M68: 30,343,535 km (0.025 R)
• M69: 31,560,513 km (0.119 R)
• M70: 32,343,209 km (0.043 R)
• M71: 34,270,479 km (0.106 R)
• M72: 34,499,663 km (0.108 R)
• M73: 35,305,696 km (0.115 R)
• M74: 36,409,579 km (0.065 R)
• M75: 37,406,948 km (0.049 R)
• M76: 37,583,772 km (0.098 R)
• M77: 39,188,509 km (0.078 R)
• M78: 39,728,407 km (0.108 R)
• M79: 40,029,398 km (0.102 R)
• M80: 40,210,412 km (0.068 R)
• M81: 40,331,137 km (0.118 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: 377 - 14,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit