🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.52 AU - 0.52 AU

Year: 143 Days

Day: 30.9 Hours

Environment

Temp: 142 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.47 AU - 0.59 AU

Year: 147 Days

Day: 15.8 Hours

Environment

Temp: 228 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.92 AU - 1.16 AU

Year: 404 Days

Day: 40.6 Hours

Environment

Temp: 16 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 39,124,961 km

• M1: 321,785 km (0.076 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.2 AU - 1.48 AU

Year: 591 Days

Day: 17.6 Hours

Environment

Temp: -44 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,124,961 km

• M1: 505,491 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.17 AU - 1.53 AU

Year: 597 Days

Day: 27.3 Hours

Environment

Temp: -47 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,124,961 km

• M1: 1,267,244 km (0.118 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.51 AU - 1.93 AU

Year: 859 Days

Day: 34 Hours

Environment

Temp: -61 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,124,961 km

• M1: 511,326 km (0.071 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2 AU - 2.02 AU

Year: 1085 Days

Day: 16 Hours

Environment

Temp: -77 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.7

Radius: 9.4

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 4.93 AU - 6.09 AU

Year: 4925 Days

Day: 15 Hours

Environment

Temp: -159 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 39,124,961 km

• M1: 123,119 km (0.032 R)
• M2: 186,399 km (0.106 R)
• M3: 399,875 km (0.071 R)
• M4: 487,091 km (0.083 R)
• M5: 552,615 km (0.091 R)
• M6: 662,419 km (0.083 R)
• M7: 905,516 km (0.044 R)
• M8: 1,176,737 km (0.1 R)
• M9: 1,308,533 km (0.12 R)
• M10: 1,630,617 km (0.118 R)
• M11: 1,823,748 km (0.101 R)
• M12: 2,481,230 km (0.118 R)
• M13: 2,549,148 km (0.118 R)
• M14: 2,915,662 km (0.117 R)
• M15: 3,023,523 km (0.1 R)
• M16: 3,411,729 km (0.099 R)
• M17: 3,698,658 km (0.119 R)
• M18: 3,973,619 km (0.045 R)
• M19: 4,357,337 km (0.112 R)
• M20: 4,522,643 km (0.095 R)
• M21: 4,605,969 km (0.077 R)
• M22: 5,379,539 km (0.098 R)
• M23: 5,467,952 km (0.073 R)
• M24: 5,668,712 km (0.088 R)
• M25: 5,826,538 km (0.101 R)
• M26: 6,637,658 km (0.064 R)
• M27: 6,852,031 km (0.042 R)
• M28: 7,068,649 km (0.05 R)
• M29: 7,141,354 km (0.082 R)
• M30: 7,214,208 km (0.06 R)
• M31: 7,857,030 km (0.05 R)
• M32: 8,569,564 km (0.104 R)
• M33: 8,777,057 km (0.085 R)
• M34: 9,091,362 km (0.028 R)
• M35: 9,516,070 km (0.045 R)
• M36: 10,634,015 km (0.054 R)
• M37: 11,025,213 km (0.037 R)
• M38: 11,449,623 km (0.086 R)
• M39: 11,563,766 km (0.108 R)
• M40: 11,850,695 km (0.089 R)
• M41: 12,285,426 km (0.082 R)
• M42: 12,431,433 km (0.094 R)
• M43: 12,607,510 km (0.101 R)
• M44: 12,695,773 km (0.066 R)
• M45: 13,110,907 km (0.092 R)
• M46: 13,620,737 km (0.097 R)
• M47: 13,954,190 km (0.042 R)
• M48: 14,321,004 km (0.118 R)
• M49: 14,536,425 km (0.069 R)
• M50: 14,784,010 km (0.088 R)
• M51: 14,939,442 km (0.051 R)
• M52: 15,471,861 km (0.102 R)
• M53: 15,788,110 km (0.103 R)
• M54: 16,298,389 km (0.091 R)
• M55: 16,814,053 km (0.111 R)
• M56: 16,878,978 km (0.114 R)
• M57: 17,106,517 km (0.049 R)
• M58: 17,960,870 km (0.096 R)
• M59: 18,126,774 km (0.088 R)
• M60: 18,393,208 km (0.084 R)
• M61: 18,560,458 km (0.119 R)
• M62: 18,761,817 km (0.066 R)
• M63: 19,166,629 km (0.064 R)
• M64: 19,268,206 km (0.074 R)
• M65: 19,642,500 km (0.115 R)
• M66: 19,779,232 km (0.098 R)
• M67: 19,984,929 km (0.114 R)
• M68: 20,502,089 km (0.096 R)
• M69: 20,710,180 km (0.112 R)
• M70: 20,953,875 km (0.107 R)
• M71: 21,163,611 km (0.117 R)
• M72: 21,233,623 km (0.11 R)
• M73: 21,726,099 km (0.065 R)
• M74: 21,796,709 km (0.094 R)
• M75: 21,973,683 km (0.079 R)
• M76: 22,293,523 km (0.09 R)
• M77: 22,471,844 km (0.069 R)
• M78: 22,973,595 km (0.085 R)
• M79: 23,225,817 km (0.12 R)
• M80: 24,464,338 km (0.09 R)
• M81: 24,685,145 km (0.088 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.3

Radius: 8.9

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.16 AU - 7.5 AU

Year: 7557 Days

Day: 5.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 39,124,961 km

• M1: 114,143 km (0.119 R)
• M2: 175,329 km (0.1 R)
• M3: 283,787 km (0.105 R)
• M4: 560,094 km (0.038 R)
• M5: 727,644 km (0.029 R)
• M6: 833,260 km (0.047 R)
• M7: 1,553,424 km (0.092 R)
• M8: 1,612,366 km (0.066 R)
• M9: 1,793,678 km (0.069 R)
• M10: 2,966,825 km (0.062 R)
• M11: 3,114,927 km (0.072 R)
• M12: 3,600,222 km (0.083 R)
• M13: 4,274,610 km (0.1 R)
• M14: 4,442,159 km (0.071 R)
• M15: 4,526,832 km (0.066 R)
• M16: 4,929,100 km (0.117 R)
• M17: 5,402,727 km (0.114 R)
• M18: 5,798,413 km (0.09 R)
• M19: 5,984,214 km (0.104 R)
• M20: 6,046,596 km (0.101 R)
• M21: 6,393,663 km (0.114 R)
• M22: 7,540,331 km (0.069 R)
• M23: 7,607,650 km (0.091 R)
• M24: 7,982,243 km (0.105 R)
• M25: 8,258,401 km (0.12 R)
• M26: 8,327,964 km (0.073 R)
• M27: 8,502,694 km (0.079 R)
• M28: 9,649,362 km (0.082 R)
• M29: 9,869,720 km (0.115 R)
• M30: 10,091,872 km (0.104 R)
• M31: 10,278,122 km (0.062 R)
• M32: 11,073,234 km (0.077 R)
• M33: 11,149,978 km (0.1 R)
• M34: 11,731,166 km (0.119 R)
• M35: 12,045,321 km (0.085 R)
• M36: 12,721,803 km (0.049 R)
• M37: 15,249,409 km (0.119 R)
• M38: 16,111,092 km (0.103 R)
• M39: 16,416,422 km (0.095 R)
• M40: 17,210,337 km (0.063 R)
• M41: 17,701,617 km (0.113 R)
• M42: 19,249,207 km (0.109 R)
• M43: 19,899,060 km (0.083 R)
• M44: 20,367,600 km (0.111 R)
• M45: 20,792,309 km (0.025 R)
• M46: 21,554,809 km (0.079 R)
• M47: 21,746,743 km (0.037 R)
• M48: 21,987,596 km (0.101 R)
• M49: 23,008,901 km (0.092 R)
• M50: 23,797,281 km (0.037 R)
• M51: 24,594,488 km (0.084 R)
• M52: 25,451,235 km (0.07 R)
• M53: 26,215,232 km (0.069 R)
• M54: 26,317,706 km (0.118 R)
• M55: 26,522,954 km (0.049 R)
• M56: 26,677,190 km (0.119 R)
• M57: 27,090,230 km (0.085 R)
• M58: 27,297,423 km (0.11 R)
• M59: 27,922,443 km (0.111 R)
• M60: 28,604,758 km (0.068 R)
• M61: 28,763,033 km (0.043 R)
• M62: 30,900,787 km (0.115 R)
• M63: 31,388,775 km (0.064 R)
• M64: 31,497,532 km (0.094 R)
• M65: 31,879,306 km (0.107 R)
• M66: 32,152,921 km (0.037 R)
• M67: 32,482,335 km (0.12 R)
• M68: 32,757,595 km (0.117 R)
• M69: 33,310,659 km (0.113 R)
• M70: 33,421,660 km (0.085 R)
• M71: 34,146,013 km (0.06 R)
• M72: 34,257,912 km (0.105 R)
• M73: 34,369,961 km (0.11 R)
• M74: 34,538,109 km (0.053 R)
• M75: 34,594,358 km (0.112 R)
• M76: 34,762,955 km (0.031 R)
• M77: 35,213,992 km (0.093 R)
• M78: 35,610,128 km (0.107 R)
• M79: 35,950,911 km (0.103 R)
• M80: 36,064,755 km (0.039 R)
• M81: 36,864,954 km (0.065 R)
• M82: 36,979,846 km (0.115 R)
• M83: 37,152,182 km (0.102 R)
• M84: 37,671,137 km (0.11 R)
• M85: 38,134,292 km (0.106 R)
• M86: 38,366,618 km (0.095 R)
• M87: 38,424,811 km (0.11 R)
• M88: 38,716,079 km (0.031 R)
• M89: 38,891,108 km (0.117 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 10,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit