🌌 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: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.51 AU - 0.69 AU

Year: 167 Days

Day: 21.1 Hours

Environment

Temp: 188 °C

Axial Tilt: 4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,389,945 km

• M1: 89,908 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.89 AU - 1.12 AU

Year: 360 Days

Day: 45.3 Hours

Environment

Temp: 46 °C

Axial Tilt: 29.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,389,945 km

• M1: 59,091 km (0.065 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.89 AU - 1.15 AU

Year: 371 Days

Day: 45.1 Hours

Environment

Temp: 37 °C

Axial Tilt: 35.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.92 AU - 2.22 AU

Year: 1072 Days

Day: 34 Hours

Environment

Temp: -60 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,389,945 km

• M1: 1,030,580 km (0.068 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.93 AU - 2.33 AU

Year: 1119 Days

Day: 34.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.82 AU - 2.84 AU

Year: 1280 Days

Day: 13.2 Hours

Environment

Temp: -79 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,389,945 km

• M1: 389,104 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.8

Radius: 11.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 5.3 AU - 7.02 AU

Year: 5502 Days

Day: 9.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 40,389,945 km

• M1: 300,542 km (0.054 R)
• M2: 409,300 km (0.108 R)
• M3: 569,968 km (0.059 R)
• M4: 889,210 km (0.05 R)
• M5: 1,018,014 km (0.08 R)
• M6: 1,153,549 km (0.095 R)
• M7: 1,279,211 km (0.106 R)
• M8: 1,792,631 km (0.05 R)
• M9: 2,091,378 km (0.107 R)
• M10: 2,426,627 km (0.115 R)
• M11: 2,736,743 km (0.05 R)
• M12: 3,059,875 km (0.111 R)
• M13: 3,148,138 km (0.113 R)
• M14: 4,077,589 km (0.025 R)
• M15: 4,175,127 km (0.086 R)
• M16: 4,273,263 km (0.115 R)
• M17: 4,372,297 km (0.099 R)
• M18: 4,547,626 km (0.106 R)
• M19: 5,034,866 km (0.025 R)
• M20: 5,139,584 km (0.105 R)
• M21: 5,647,170 km (0.098 R)
• M22: 6,198,737 km (0.079 R)
• M23: 6,623,895 km (0.106 R)
• M24: 7,264,473 km (0.078 R)
• M25: 7,472,563 km (0.095 R)
• M26: 7,592,242 km (0.117 R)
• M27: 8,355,340 km (0.119 R)
• M28: 8,951,637 km (0.032 R)
• M29: 9,142,674 km (0.09 R)
• M30: 9,691,848 km (0.119 R)
• M31: 9,953,943 km (0.026 R)
• M32: 11,853,387 km (0.104 R)
• M33: 12,345,564 km (0.104 R)
• M34: 12,594,046 km (0.062 R)
• M35: 13,349,815 km (0.056 R)
• M36: 13,531,875 km (0.11 R)
• M37: 13,825,087 km (0.119 R)
• M38: 14,417,495 km (0.041 R)
• M39: 15,094,126 km (0.079 R)
• M40: 15,359,961 km (0.077 R)
• M41: 15,589,145 km (0.052 R)
• M42: 15,665,739 km (0.064 R)
• M43: 16,595,191 km (0.105 R)
• M44: 16,751,820 km (0.06 R)
• M45: 17,185,205 km (0.07 R)
• M46: 17,264,342 km (0.06 R)
• M47: 17,702,066 km (0.117 R)
• M48: 18,547,892 km (0.119 R)
• M49: 18,873,567 km (0.036 R)
• M50: 19,078,067 km (0.092 R)
• M51: 19,489,311 km (0.038 R)
• M52: 20,320,627 km (0.094 R)
• M53: 20,446,289 km (0.076 R)
• M54: 21,248,283 km (0.107 R)
• M55: 21,375,890 km (0.106 R)
• M56: 21,461,161 km (0.12 R)
• M57: 21,674,637 km (0.112 R)
• M58: 22,060,749 km (0.067 R)
• M59: 22,449,105 km (0.051 R)
• M60: 22,578,956 km (0.034 R)
• M61: 22,926,771 km (0.038 R)
• M62: 24,513,705 km (0.1 R)
• M63: 24,647,596 km (0.116 R)
• M64: 25,185,400 km (0.102 R)
• M65: 25,500,902 km (0.116 R)
• M66: 25,817,750 km (0.076 R)
• M67: 25,953,884 km (0.116 R)
• M68: 26,044,840 km (0.109 R)
• M69: 26,546,741 km (0.09 R)
• M70: 27,932,017 km (0.077 R)
• M71: 28,680,455 km (0.112 R)
• M72: 29,010,019 km (0.091 R)
• M73: 31,061,455 km (0.07 R)
• M74: 31,593,874 km (0.048 R)
• M75: 32,324,510 km (0.075 R)
• M76: 32,471,415 km (0.05 R)
• M77: 32,962,395 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.7

Radius: 12.8

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.88 AU - 7.94 AU

Year: 7259 Days

Day: 9.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 40,389,945 km

• M1: 281,543 km (0.12 R)
• M2: 556,055 km (0.091 R)
• M3: 936,483 km (0.111 R)
• M4: 1,173,745 km (0.026 R)
• M5: 1,393,355 km (0.052 R)
• M6: 1,606,980 km (0.064 R)
• M7: 2,221,528 km (0.116 R)
• M8: 3,205,882 km (0.081 R)
• M9: 3,308,656 km (0.103 R)
• M10: 3,491,016 km (0.085 R)
• M11: 3,676,816 km (0.083 R)
• M12: 5,008,088 km (0.102 R)
• M13: 5,157,835 km (0.12 R)
• M14: 5,278,860 km (0.119 R)
• M15: 5,461,968 km (0.046 R)
• M16: 5,616,353 km (0.067 R)
• M17: 5,803,350 km (0.084 R)
• M18: 5,992,592 km (0.092 R)
• M19: 6,183,778 km (0.077 R)
• M20: 6,344,745 km (0.091 R)
• M21: 6,474,596 km (0.064 R)
• M22: 7,237,844 km (0.083 R)
• M23: 7,924,798 km (0.115 R)
• M24: 8,276,203 km (0.114 R)
• M25: 8,382,567 km (0.035 R)
• M26: 8,740,704 km (0.12 R)
• M27: 9,213,583 km (0.117 R)
• M28: 9,360,788 km (0.117 R)
• M29: 10,798,274 km (0.106 R)
• M30: 10,992,452 km (0.095 R)
• M31: 11,582,316 km (0.058 R)
• M32: 12,792,563 km (0.112 R)
• M33: 13,246,443 km (0.076 R)
• M34: 13,538,009 km (0.097 R)
• M35: 14,255,032 km (0.101 R)
• M36: 14,382,938 km (0.084 R)
• M37: 14,511,143 km (0.118 R)
• M38: 17,700,420 km (0.077 R)
• M39: 18,067,832 km (0.11 R)
• M40: 18,530,539 km (0.119 R)
• M41: 18,716,638 km (0.046 R)
• M42: 19,044,108 km (0.088 R)
• M43: 19,420,496 km (0.099 R)
• M44: 19,657,011 km (0.1 R)
• M45: 20,132,881 km (0.116 R)
• M46: 20,420,259 km (0.085 R)
• M47: 20,516,450 km (0.079 R)
• M48: 20,660,812 km (0.113 R)
• M49: 21,877,641 km (0.034 R)
• M50: 21,975,927 km (0.112 R)
• M51: 22,074,512 km (0.031 R)
• M52: 22,519,566 km (0.101 R)
• M53: 22,917,646 km (0.091 R)
• M54: 23,267,854 km (0.066 R)
• M55: 23,720,837 km (0.051 R)
• M56: 24,380,264 km (0.05 R)
• M57: 25,561,639 km (0.081 R)
• M58: 26,289,881 km (0.055 R)
• M59: 26,499,168 km (0.037 R)
• M60: 27,077,663 km (0.084 R)
• M61: 27,979,888 km (0.088 R)
• M62: 28,300,776 km (0.119 R)
• M63: 28,676,565 km (0.083 R)
• M64: 29,433,082 km (0.047 R)
• M65: 29,704,901 km (0.092 R)
• M66: 29,923,015 km (0.071 R)
• M67: 30,141,577 km (0.084 R)
• M68: 31,242,468 km (0.04 R)
• M69: 31,797,775 km (0.056 R)
• M70: 32,356,523 km (0.111 R)
• M71: 32,637,019 km (0.081 R)
• M72: 32,862,015 km (0.059 R)
• M73: 35,371,070 km (0.093 R)
• M74: 36,648,636 km (0.08 R)
• M75: 36,999,742 km (0.11 R)
• M76: 37,823,129 km (0.111 R)
• M77: 39,428,314 km (0.061 R)
• M78: 39,787,947 km (0.089 R)
• M79: 39,908,074 km (0.117 R)
• M80: 40,088,639 km (0.073 R)

Kuiper Belt

Range: 30.5 - 54.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 17,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit