🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.14 AU - 1.46 AU

Year: 541 Days

Day: 37.4 Hours

Environment

Temp: -16 °C

Axial Tilt: 43.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.8 AU - 2.9 AU

Year: 1316 Days

Day: 13.6 Hours

Environment

Temp: -76 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.1

Radius: 12.6

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.82 AU - 10.24 AU

Year: 9099 Days

Day: 12.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 43,990,650 km

• M1: 184,155 km (0.045 R)
• M2: 279,449 km (0.117 R)
• M3: 463,454 km (0.119 R)
• M4: 545,583 km (0.061 R)
• M5: 1,297,163 km (0.113 R)
• M6: 1,936,245 km (0.103 R)
• M7: 2,770,104 km (0.095 R)
• M8: 2,932,866 km (0.079 R)
• M9: 3,267,965 km (0.073 R)
• M10: 3,411,430 km (0.032 R)
• M11: 3,645,251 km (0.115 R)
• M12: 4,441,411 km (0.087 R)
• M13: 4,600,733 km (0.079 R)
• M14: 4,761,850 km (0.108 R)
• M15: 5,837,758 km (0.051 R)
• M16: 5,977,482 km (0.09 R)
• M17: 6,367,334 km (0.057 R)
• M18: 6,656,208 km (0.108 R)
• M19: 7,246,820 km (0.064 R)
• M20: 7,397,166 km (0.064 R)
• M21: 7,777,593 km (0.093 R)
• M22: 9,199,371 km (0.117 R)
• M23: 9,526,243 km (0.053 R)
• M24: 10,065,543 km (0.061 R)
• M25: 10,444,624 km (0.117 R)
• M26: 10,957,595 km (0.115 R)
• M27: 11,435,112 km (0.09 R)
• M28: 12,097,082 km (0.119 R)
• M29: 13,136,339 km (0.115 R)
• M30: 13,597,100 km (0.117 R)
• M31: 14,016,423 km (0.103 R)
• M32: 14,157,045 km (0.05 R)
• M33: 14,677,047 km (0.082 R)
• M34: 15,251,503 km (0.111 R)
• M35: 15,687,132 km (0.104 R)
• M36: 16,918,622 km (0.071 R)
• M37: 17,824,586 km (0.117 R)
• M38: 18,746,259 km (0.104 R)
• M39: 18,849,631 km (0.086 R)
• M40: 19,160,944 km (0.094 R)
• M41: 19,788,507 km (0.119 R)
• M42: 19,999,291 km (0.092 R)
• M43: 20,104,907 km (0.047 R)
• M44: 20,263,630 km (0.075 R)
• M45: 20,529,316 km (0.083 R)
• M46: 20,903,161 km (0.101 R)
• M47: 21,225,245 km (0.041 R)
• M48: 21,711,737 km (0.029 R)
• M49: 21,820,345 km (0.094 R)
• M50: 22,256,423 km (0.062 R)
• M51: 23,303,908 km (0.106 R)
• M52: 24,536,744 km (0.096 R)
• M53: 25,963,458 km (0.092 R)
• M54: 27,358,159 km (0.096 R)
• M55: 27,769,554 km (0.051 R)
• M56: 28,539,085 km (0.043 R)
• M57: 28,658,015 km (0.082 R)
• M58: 28,896,624 km (0.088 R)
• M59: 30,280,703 km (0.054 R)
• M60: 31,440,536 km (0.112 R)
• M61: 32,180,447 km (0.112 R)
• M62: 32,304,314 km (0.03 R)
• M63: 32,739,195 km (0.116 R)
• M64: 33,113,339 km (0.066 R)
• M65: 34,624,577 km (0.071 R)
• M66: 34,815,164 km (0.071 R)
• M67: 35,836,918 km (0.091 R)
• M68: 37,258,098 km (0.093 R)
• M69: 37,518,398 km (0.1 R)
• M70: 38,040,943 km (0.085 R)
• M71: 38,171,991 km (0.089 R)
• M72: 39,490,397 km (0.112 R)
• M73: 39,888,776 km (0.083 R)
• M74: 42,646,912 km (0.113 R)
• M75: 44,083,201 km (0.093 R)
• M76: 45,605,060 km (0.067 R)
• M77: 45,744,187 km (0.116 R)
• M78: 46,722,557 km (0.108 R)
• M79: 47,003,352 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.7

Radius: 7.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 12.75 AU - 14.01 AU

Year: 17876 Days

Day: 20.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 97.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 43,990,650 km

• M1: 137,181 km (0.108 R)
• M2: 226,790 km (0.063 R)
• M3: 287,976 km (0.096 R)
• M4: 344,524 km (0.107 R)
• M5: 431,291 km (0.05 R)
• M6: 498,460 km (0.115 R)
• M7: 644,168 km (0.108 R)
• M8: 738,415 km (0.104 R)
• M9: 888,911 km (0.117 R)
• M10: 1,181,075 km (0.093 R)
• M11: 1,278,463 km (0.083 R)
• M12: 1,502,262 km (0.109 R)
• M13: 1,565,542 km (0.064 R)
• M14: 1,629,719 km (0.108 R)
• M15: 1,694,794 km (0.077 R)
• M16: 2,056,672 km (0.115 R)
• M17: 2,127,132 km (0.098 R)
• M18: 2,343,600 km (0.104 R)
• M19: 2,567,399 km (0.08 R)
• M20: 2,850,139 km (0.056 R)
• M21: 3,008,712 km (0.077 R)
• M22: 3,224,582 km (0.068 R)
• M23: 3,389,888 km (0.102 R)
• M24: 3,529,762 km (0.063 R)
• M25: 4,137,877 km (0.117 R)
• M26: 4,378,131 km (0.114 R)
• M27: 5,062,242 km (0.082 R)
• M28: 5,319,251 km (0.104 R)
• M29: 5,879,346 km (0.111 R)
• M30: 6,527,703 km (0.075 R)
• M31: 6,772,146 km (0.114 R)
• M32: 6,913,217 km (0.025 R)
• M33: 7,451,021 km (0.081 R)
• M34: 7,560,228 km (0.114 R)
• M35: 7,670,032 km (0.08 R)
• M36: 8,301,635 km (0.105 R)
• M37: 8,490,726 km (0.077 R)
• M38: 8,757,609 km (0.054 R)
• M39: 8,949,992 km (0.096 R)
• M40: 9,299,901 km (0.099 R)
• M41: 9,456,829 km (0.107 R)
• M42: 10,254,635 km (0.089 R)
• M43: 10,908,228 km (0.065 R)
• M44: 11,617,621 km (0.097 R)
• M45: 11,701,994 km (0.101 R)
• M46: 11,956,460 km (0.114 R)
• M47: 13,654,994 km (0.076 R)
• M48: 13,967,654 km (0.092 R)
• M49: 14,102,442 km (0.095 R)
• M50: 15,242,377 km (0.108 R)
• M51: 15,659,905 km (0.091 R)
• M52: 16,648,897 km (0.105 R)
• M53: 16,935,077 km (0.09 R)
• M54: 17,126,862 km (0.098 R)
• M55: 17,223,053 km (0.081 R)
• M56: 18,145,324 km (0.072 R)
• M57: 18,439,882 km (0.093 R)
• M58: 18,736,086 km (0.108 R)
• M59: 19,183,234 km (0.077 R)
• M60: 19,233,200 km (0.082 R)
• M61: 20,342,169 km (0.071 R)
• M62: 20,853,046 km (0.053 R)
• M63: 22,463,467 km (0.058 R)
• M64: 22,991,398 km (0.11 R)
• M65: 23,630,480 km (0.083 R)
• M66: 23,791,148 km (0.118 R)
• M67: 24,599,874 km (0.101 R)
• M68: 24,817,090 km (0.063 R)
• M69: 25,034,904 km (0.113 R)
• M70: 25,308,070 km (0.093 R)
• M71: 26,967,859 km (0.09 R)
• M72: 27,923,939 km (0.053 R)
• M73: 28,719,650 km (0.078 R)
• M74: 30,975,137 km (0.116 R)
• M75: 31,268,349 km (0.07 R)
• M76: 32,391,230 km (0.072 R)
• M77: 33,707,841 km (0.108 R)
• M78: 33,948,993 km (0.051 R)
• M79: 34,615,451 km (0.078 R)
• M80: 34,737,074 km (0.089 R)
• M81: 35,408,619 km (0.1 R)
• M82: 36,331,189 km (0.101 R)
• M83: 36,640,408 km (0.112 R)
• M84: 39,019,463 km (0.038 R)
• M85: 39,399,591 km (0.063 R)
• M86: 39,590,179 km (0.036 R)
• M87: 39,844,645 km (0.094 R)
• M88: 40,675,661 km (0.118 R)
• M89: 43,333,866 km (0.111 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: 372 - 16,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit