🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.68 AU - 0.7 AU

Year: 258 Days

Day: 23.1 Hours

Environment

Temp: -28 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.95 AU - 1.01 AU

Year: 436 Days

Day: 37.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,780,297 km

• M1: 439,519 km (0.041 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.83 AU - 1.17 AU

Year: 450 Days

Day: 29.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,780,297 km

• M1: 450,589 km (0.069 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.32 AU - 1.88 AU

Year: 910 Days

Day: 27.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 47.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.45 AU - 1.91 AU

Year: 979 Days

Day: 29.8 Hours

Environment

Temp: -109 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,780,297 km

• M1: 152,291 km (0.073 R)
• M2: 231,578 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 12.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.9 AU - 3.96 AU

Year: 2856 Days

Day: 5.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 42,780,297 km

• M1: 199,264 km (0.112 R)
• M2: 398,978 km (0.091 R)
• M3: 530,773 km (0.116 R)
• M4: 631,453 km (0.116 R)
• M5: 1,036,713 km (0.111 R)
• M6: 1,231,190 km (0.075 R)
• M7: 1,317,060 km (0.099 R)
• M8: 1,552,228 km (0.11 R)
• M9: 1,669,213 km (0.109 R)
• M10: 1,777,223 km (0.09 R)
• M11: 1,887,776 km (0.119 R)
• M12: 2,193,853 km (0.05 R)
• M13: 2,379,953 km (0.119 R)
• M14: 2,599,113 km (0.075 R)
• M15: 2,882,751 km (0.085 R)
• M16: 3,013,649 km (0.115 R)
• M17: 3,372,684 km (0.093 R)
• M18: 3,761,489 km (0.082 R)
• M19: 3,857,082 km (0.065 R)
• M20: 4,066,818 km (0.109 R)
• M21: 4,280,294 km (0.102 R)
• M22: 4,787,431 km (0.047 R)
• M23: 4,978,168 km (0.12 R)
• M24: 5,206,903 km (0.07 R)
• M25: 5,421,128 km (0.077 R)
• M26: 5,529,436 km (0.051 R)
• M27: 5,932,603 km (0.062 R)
• M28: 6,307,345 km (0.067 R)
• M29: 6,536,081 km (0.107 R)
• M30: 6,981,882 km (0.096 R)
• M31: 7,397,764 km (0.114 R)
• M32: 7,497,995 km (0.107 R)
• M33: 7,618,870 km (0.108 R)
• M34: 7,801,379 km (0.025 R)
• M35: 8,047,019 km (0.093 R)
• M36: 8,212,175 km (0.053 R)
• M37: 8,357,584 km (0.11 R)
• M38: 8,567,021 km (0.029 R)
• M39: 9,140,879 km (0.062 R)
• M40: 9,356,599 km (0.065 R)
• M41: 9,530,432 km (0.081 R)
• M42: 9,837,107 km (0.076 R)
• M43: 10,124,933 km (0.042 R)
• M44: 10,280,964 km (0.082 R)
• M45: 10,482,921 km (0.12 R)
• M46: 10,708,814 km (0.104 R)
• M47: 10,936,352 km (0.062 R)
• M48: 11,165,536 km (0.077 R)
• M49: 11,280,727 km (0.086 R)
• M50: 11,373,029 km (0.052 R)
• M51: 11,721,891 km (0.113 R)
• M52: 12,074,343 km (0.103 R)
• M53: 12,216,312 km (0.111 R)
• M54: 12,311,157 km (0.061 R)
• M55: 12,741,400 km (0.091 R)
• M56: 12,837,741 km (0.12 R)
• M57: 12,982,702 km (0.03 R)
• M58: 13,494,027 km (0.104 R)
• M59: 13,838,701 km (0.11 R)
• M60: 14,386,229 km (0.076 R)
• M61: 14,511,592 km (0.104 R)
• M62: 14,713,100 km (0.115 R)
• M63: 14,991,502 km (0.101 R)
• M64: 15,220,686 km (0.097 R)
• M65: 15,399,754 km (0.12 R)
• M66: 15,528,109 km (0.086 R)
• M67: 15,656,764 km (0.072 R)
• M68: 15,915,269 km (0.066 R)
• M69: 16,672,683 km (0.063 R)
• M70: 17,016,010 km (0.095 R)
• M71: 18,222,666 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910.5

Radius: 10.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.41 AU - 7.43 AU

Year: 7313 Days

Day: 12 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 42,780,297 km

• M1: 135,685 km (0.066 R)
• M2: 331,658 km (0.073 R)
• M3: 608,714 km (0.115 R)
• M4: 871,408 km (0.095 R)
• M5: 938,727 km (0.091 R)
• M6: 1,170,155 km (0.076 R)
• M7: 1,730,399 km (0.06 R)
• M8: 1,949,260 km (0.083 R)
• M9: 2,341,955 km (0.097 R)
• M10: 4,959,319 km (0.081 R)
• M11: 5,146,167 km (0.096 R)
• M12: 5,272,128 km (0.079 R)
• M13: 5,431,001 km (0.106 R)
• M14: 6,148,472 km (0.114 R)
• M15: 6,518,578 km (0.101 R)
• M16: 7,209,869 km (0.114 R)
• M17: 7,350,940 km (0.056 R)
• M18: 7,564,267 km (0.05 R)
• M19: 8,290,265 km (0.06 R)
• M20: 8,512,418 km (0.094 R)
• M21: 9,228,992 km (0.03 R)
• M22: 9,305,586 km (0.107 R)
• M23: 9,575,161 km (0.08 R)
• M24: 9,652,653 km (0.074 R)
• M25: 10,161,585 km (0.088 R)
• M26: 10,639,101 km (0.071 R)
• M27: 11,948,232 km (0.103 R)
• M28: 12,283,481 km (0.049 R)
• M29: 12,536,900 km (0.111 R)
• M30: 13,048,973 km (0.109 R)
• M31: 13,264,394 km (0.073 R)
• M32: 13,481,012 km (0.063 R)
• M33: 13,567,928 km (0.073 R)
• M34: 13,655,144 km (0.108 R)
• M35: 14,447,863 km (0.11 R)
• M36: 14,536,874 km (0.108 R)
• M37: 15,120,006 km (0.075 R)
• M38: 15,210,364 km (0.086 R)
• M39: 15,528,109 km (0.083 R)
• M40: 15,848,099 km (0.097 R)
• M41: 16,401,611 km (0.107 R)
• M42: 16,680,761 km (0.117 R)
• M43: 17,008,530 km (0.081 R)
• M44: 17,670,201 km (0.078 R)
• M45: 18,052,274 km (0.116 R)
• M46: 18,388,720 km (0.08 R)
• M47: 18,727,260 km (0.082 R)
• M48: 19,361,405 km (0.056 R)
• M49: 19,903,548 km (0.109 R)
• M50: 20,151,581 km (0.119 R)
• M51: 20,500,593 km (0.034 R)
• M52: 20,700,905 km (0.104 R)
• M53: 22,327,033 km (0.077 R)
• M54: 22,636,551 km (0.06 R)
• M55: 23,259,776 km (0.118 R)
• M56: 23,468,764 km (0.118 R)
• M57: 24,363,808 km (0.064 R)
• M58: 24,895,629 km (0.066 R)
• M59: 25,055,848 km (0.108 R)
• M60: 25,270,222 km (0.118 R)
• M61: 25,646,610 km (0.029 R)
• M62: 26,350,468 km (0.099 R)
• M63: 26,459,375 km (0.092 R)
• M64: 27,060,759 km (0.107 R)
• M65: 27,280,668 km (0.103 R)
• M66: 27,888,185 km (0.079 R)
• M67: 28,165,838 km (0.061 R)
• M68: 28,500,339 km (0.08 R)
• M69: 28,723,988 km (0.051 R)
• M70: 28,892,136 km (0.118 R)
• M71: 29,285,728 km (0.087 R)
• M72: 30,419,979 km (0.112 R)
• M73: 31,915,958 km (0.108 R)
• M74: 34,620,986 km (0.071 R)
• M75: 36,061,315 km (0.094 R)
• M76: 36,849,546 km (0.111 R)
• M77: 37,827,617 km (0.111 R)
• M78: 38,073,406 km (0.114 R)
• M79: 38,443,212 km (0.097 R)
• M80: 39,000,165 km (0.087 R)
• M81: 40,059,318 km (0.095 R)
• M82: 40,749,562 km (0.109 R)
• M83: 42,460,812 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 17,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit