🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.55 AU - 0.65 AU

Year: 170 Days

Day: 42.3 Hours

Environment

Temp: 144 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.62 AU - 0.72 AU

Year: 200 Days

Day: 15.3 Hours

Environment

Temp: 188 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.86 AU - 1.3 AU

Year: 410 Days

Day: 45.5 Hours

Environment

Temp: 34 °C

Axial Tilt: 38.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.19

Radius: 0.51

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.09 AU - 1.13 AU

Year: 427 Days

Day: 32.9 Hours

Environment

Temp: 14 °C

Axial Tilt: 20.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.18 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.04 AU - 1.32 AU

Year: 468 Days

Day: 43.2 Hours

Environment

Temp: -2 °C

Axial Tilt: 8.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.24 AU - 5.36 AU

Year: 3257 Days

Day: 40.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 28,058,375 km

• M1: 42,187 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.3

Radius: 14.3

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 8.68 AU - 12.76 AU

Year: 12820 Days

Day: 5.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 28,058,375 km

• M1: 226,192 km (0.082 R)
• M2: 325,974 km (0.1 R)
• M3: 415,134 km (0.077 R)
• M4: 548,426 km (0.077 R)
• M5: 772,972 km (0.108 R)
• M6: 887,863 km (0.066 R)
• M7: 1,115,551 km (0.116 R)
• M8: 1,294,022 km (0.117 R)
• M9: 2,075,820 km (0.101 R)
• M10: 2,242,322 km (0.064 R)
• M11: 2,471,656 km (0.044 R)
• M12: 2,618,860 km (0.115 R)
• M13: 3,564,468 km (0.085 R)
• M14: 3,833,445 km (0.041 R)
• M15: 5,353,509 km (0.108 R)
• M16: 5,740,669 km (0.074 R)
• M17: 6,097,011 km (0.11 R)
• M18: 6,338,462 km (0.107 R)
• M19: 7,082,262 km (0.027 R)
• M20: 7,208,972 km (0.111 R)
• M21: 8,117,031 km (0.118 R)
• M22: 8,338,585 km (0.051 R)
• M23: 8,562,085 km (0.107 R)
• M24: 9,198,623 km (0.059 R)
• M25: 9,616,002 km (0.116 R)
• M26: 9,897,844 km (0.07 R)
• M27: 9,992,390 km (0.043 R)
• M28: 10,277,673 km (0.043 R)
• M29: 11,396,665 km (0.046 R)
• M30: 11,595,181 km (0.101 R)
• M31: 11,694,814 km (0.067 R)
• M32: 12,400,915 km (0.085 R)
• M33: 12,605,266 km (0.09 R)
• M34: 12,759,202 km (0.087 R)
• M35: 12,913,737 km (0.108 R)
• M36: 13,854,259 km (0.053 R)
• M37: 15,142,745 km (0.063 R)
• M38: 16,022,830 km (0.09 R)
• M39: 16,245,431 km (0.114 R)
• M40: 16,357,181 km (0.109 R)
• M41: 17,089,612 km (0.06 R)
• M42: 17,602,882 km (0.073 R)
• M43: 19,350,485 km (0.099 R)
• M44: 20,244,930 km (0.116 R)
• M45: 21,274,912 km (0.116 R)
• M46: 21,519,654 km (0.048 R)
• M47: 22,135,847 km (0.089 R)
• M48: 22,633,111 km (0.088 R)
• M49: 23,322,757 km (0.088 R)
• M50: 24,146,592 km (0.065 R)
• M51: 24,274,199 km (0.07 R)
• M52: 25,303,133 km (0.105 R)
• M53: 26,018,810 km (0.12 R)
• M54: 29,969,689 km (0.097 R)
• M55: 30,175,536 km (0.07 R)
• M56: 30,865,182 km (0.093 R)
• M57: 31,979,387 km (0.106 R)
• M58: 33,532,812 km (0.115 R)
• M59: 35,472,647 km (0.05 R)
• M60: 37,596,638 km (0.109 R)
• M61: 37,892,841 km (0.065 R)
• M62: 38,636,642 km (0.098 R)
• M63: 39,085,286 km (0.108 R)
• M64: 39,912,263 km (0.074 R)
• M65: 41,813,353 km (0.06 R)
• M66: 42,659,030 km (0.118 R)
• M67: 43,588,182 km (0.073 R)
• M68: 44,133,167 km (0.104 R)
• M69: 44,445,677 km (0.117 R)
• M70: 44,994,252 km (0.092 R)
• M71: 45,702,897 km (0.105 R)
• M72: 47,610,719 km (0.084 R)
• M73: 48,413,312 km (0.103 R)
• M74: 48,816,328 km (0.079 R)
• M75: 50,031,811 km (0.102 R)
• M76: 51,339,446 km (0.108 R)
• M77: 51,915,099 km (0.09 R)
• M78: 52,079,956 km (0.118 R)
• M79: 52,823,906 km (0.101 R)
• M80: 54,573,602 km (0.09 R)
• M81: 54,825,076 km (0.116 R)
• M82: 55,835,012 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.8

Radius: 8.6

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 8.82 AU - 14.44 AU

Year: 14486 Days

Day: 6.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 28,058,375 km

• M1: 121,773 km (0.106 R)
• M2: 415,882 km (0.072 R)
• M3: 659,727 km (0.102 R)
• M4: 1,033,123 km (0.108 R)
• M5: 2,410,171 km (0.06 R)
• M6: 2,677,203 km (0.106 R)
• M7: 3,160,704 km (0.117 R)
• M8: 3,292,500 km (0.111 R)
• M9: 3,426,240 km (0.105 R)
• M10: 3,507,322 km (0.068 R)
• M11: 4,352,849 km (0.095 R)
• M12: 4,798,501 km (0.058 R)
• M13: 4,950,343 km (0.065 R)
• M14: 5,959,231 km (0.053 R)
• M15: 6,453,652 km (0.089 R)
• M16: 6,756,737 km (0.081 R)
• M17: 7,029,903 km (0.108 R)
• M18: 8,122,865 km (0.099 R)
• M19: 8,195,121 km (0.096 R)
• M20: 8,559,990 km (0.104 R)
• M21: 8,855,745 km (0.106 R)
• M22: 9,042,294 km (0.107 R)
• M23: 9,495,276 km (0.114 R)
• M24: 10,071,976 km (0.052 R)
• M25: 10,739,182 km (0.074 R)
• M26: 11,583,064 km (0.066 R)
• M27: 12,783,288 km (0.103 R)
• M28: 12,867,511 km (0.068 R)
• M29: 13,676,836 km (0.119 R)
• M30: 13,849,322 km (0.085 R)
• M31: 14,546,598 km (0.064 R)
• M32: 15,478,892 km (0.069 R)
• M33: 16,247,825 km (0.093 R)
• M34: 16,936,573 km (0.111 R)
• M35: 17,261,201 km (0.059 R)
• M36: 17,728,544 km (0.057 R)
• M37: 17,916,739 km (0.118 R)
• M38: 18,342,494 km (0.116 R)
• M39: 18,437,489 km (0.106 R)
• M40: 21,115,141 km (0.031 R)
• M41: 21,414,636 km (0.079 R)
• M42: 21,514,717 km (0.09 R)
• M43: 22,118,644 km (0.048 R)
• M44: 22,321,199 km (0.12 R)
• M45: 22,473,490 km (0.087 R)
• M46: 25,804,586 km (0.117 R)
• M47: 25,964,356 km (0.117 R)
• M48: 26,768,744 km (0.039 R)
• M49: 28,182,294 km (0.069 R)
• M50: 28,512,008 km (0.101 R)
• M51: 29,397,328 km (0.059 R)
• M52: 30,179,426 km (0.11 R)
• M53: 32,221,586 km (0.054 R)
• M54: 33,491,522 km (0.074 R)
• M55: 33,782,341 km (0.091 R)
• M56: 34,425,312 km (0.111 R)
• M57: 34,483,955 km (0.077 R)
• M58: 35,604,592 km (0.097 R)
• M59: 36,557,381 km (0.069 R)
• M60: 37,337,833 km (0.035 R)
• M61: 38,063,084 km (0.088 R)
• M62: 39,958,190 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.9

Radius: 14.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 11.97 AU - 11.99 AU

Year: 15145 Days

Day: 8.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 28,058,375 km

• M1: 339,886 km (0.117 R)
• M2: 549,772 km (0.117 R)
• M3: 685,607 km (0.117 R)
• M4: 1,211,294 km (0.063 R)
• M5: 1,656,348 km (0.117 R)
• M6: 2,344,947 km (0.107 R)
• M7: 3,116,124 km (0.062 R)
• M8: 3,581,822 km (0.076 R)
• M9: 4,534,012 km (0.098 R)
• M10: 5,015,418 km (0.112 R)
• M11: 5,156,040 km (0.067 R)
• M12: 6,252,293 km (0.045 R)
• M13: 6,454,550 km (0.085 R)
• M14: 6,633,469 km (0.117 R)
• M15: 6,788,153 km (0.115 R)
• M16: 8,849,612 km (0.078 R)
• M17: 9,163,019 km (0.085 R)
• M18: 9,335,655 km (0.09 R)
• M19: 9,859,846 km (0.098 R)
• M20: 10,634,015 km (0.117 R)
• M21: 11,863,111 km (0.057 R)
• M22: 12,526,279 km (0.041 R)
• M23: 13,266,638 km (0.103 R)
• M24: 14,220,325 km (0.103 R)
• M25: 14,386,977 km (0.058 R)
• M26: 14,655,056 km (0.051 R)
• M27: 14,857,163 km (0.107 R)
• M28: 15,537,684 km (0.112 R)
• M29: 15,812,794 km (0.096 R)
• M30: 16,193,521 km (0.113 R)
• M31: 18,142,931 km (0.086 R)
• M32: 20,090,844 km (0.034 R)
• M33: 20,277,991 km (0.09 R)
• M34: 22,530,337 km (0.042 R)
• M35: 22,647,023 km (0.081 R)
• M36: 24,340,920 km (0.068 R)
• M37: 24,620,518 km (0.067 R)
• M38: 24,820,980 km (0.097 R)
• M39: 25,384,963 km (0.086 R)
• M40: 26,034,667 km (0.08 R)
• M41: 26,978,181 km (0.069 R)
• M42: 27,433,407 km (0.11 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: 201 - 16,193 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit