🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.52 AU - 0.56 AU

Year: 144 Days

Day: 25.1 Hours

Environment

Temp: 190 °C

Axial Tilt: 5.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.5 AU - 0.6 AU

Year: 148 Days

Day: 20.1 Hours

Environment

Temp: 159 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.51 AU - 0.75 AU

Year: 182 Days

Day: 37.1 Hours

Environment

Temp: 180 °C

Axial Tilt: 5.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 21,567,135 km

• M1: 521,498 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.89 AU - 0.95 AU

Year: 321 Days

Day: 34.1 Hours

Environment

Temp: 101 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 21,567,135 km

• M1: 336,446 km (0.083 R)
• M2: 384,915 km (0.056 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.16 AU - 1.4 AU

Year: 526 Days

Day: 46.4 Hours

Environment

Temp: -15 °C

Axial Tilt: 31.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.99

Radius: 1.32

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.39 AU - 2.31 AU

Year: 915 Days

Day: 20.2 Hours

Environment

Temp: -58 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.55 AU - 5.19 AU

Year: 3906 Days

Day: 47.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 14

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.01 AU - 6.21 AU

Year: 4198 Days

Day: 13.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 21,567,135 km

• M1: 253,868 km (0.106 R)
• M2: 501,602 km (0.084 R)
• M3: 951,592 km (0.051 R)
• M4: 1,462,170 km (0.054 R)
• M5: 1,609,374 km (0.091 R)
• M6: 1,705,715 km (0.107 R)
• M7: 2,051,884 km (0.061 R)
• M8: 2,202,829 km (0.111 R)
• M9: 2,468,215 km (0.088 R)
• M10: 2,596,869 km (0.099 R)
• M11: 3,030,703 km (0.105 R)
• M12: 3,168,932 km (0.029 R)
• M13: 3,505,826 km (0.101 R)
• M14: 3,706,138 km (0.092 R)
• M15: 3,910,488 km (0.111 R)
• M16: 4,061,433 km (0.102 R)
• M17: 4,175,875 km (0.036 R)
• M18: 4,272,216 km (0.037 R)
• M19: 4,427,798 km (0.082 R)
• M20: 4,585,324 km (0.118 R)
• M21: 4,926,407 km (0.097 R)
• M22: 5,048,779 km (0.108 R)
• M23: 5,172,197 km (0.098 R)
• M24: 5,275,719 km (0.096 R)
• M25: 5,590,921 km (0.086 R)
• M26: 5,782,855 km (0.071 R)
• M27: 6,173,605 km (0.118 R)
• M28: 6,305,849 km (0.096 R)
• M29: 6,685,529 km (0.107 R)
• M30: 6,957,947 km (0.097 R)
• M31: 7,420,503 km (0.108 R)
• M32: 7,561,125 km (0.112 R)
• M33: 8,351,002 km (0.087 R)
• M34: 8,472,924 km (0.091 R)
• M35: 8,941,914 km (0.081 R)
• M36: 10,451,805 km (0.108 R)
• M37: 10,689,067 km (0.058 R)
• M38: 10,954,902 km (0.078 R)
• M39: 11,168,977 km (0.11 R)
• M40: 11,874,780 km (0.039 R)
• M41: 11,984,585 km (0.103 R)
• M42: 12,150,040 km (0.057 R)
• M43: 12,288,567 km (0.062 R)
• M44: 12,455,369 km (0.076 R)
• M45: 12,735,117 km (0.099 R)
• M46: 12,904,013 km (0.074 R)
• M47: 13,187,052 km (0.115 R)
• M48: 13,500,759 km (0.083 R)
• M49: 14,077,608 km (0.087 R)
• M50: 14,223,167 km (0.052 R)
• M51: 14,544,952 km (0.112 R)
• M52: 15,225,772 km (0.111 R)
• M53: 15,735,602 km (0.073 R)
• M54: 16,007,870 km (0.087 R)
• M55: 17,112,201 km (0.114 R)
• M56: 17,205,401 km (0.055 R)
• M57: 17,642,376 km (0.088 R)
• M58: 18,241,216 km (0.114 R)
• M59: 18,399,940 km (0.087 R)
• M60: 18,622,990 km (0.096 R)
• M61: 18,878,802 km (0.062 R)
• M62: 19,458,943 km (0.116 R)
• M63: 20,406,047 km (0.065 R)
• M64: 20,537,843 km (0.114 R)
• M65: 20,769,121 km (0.107 R)
• M66: 20,901,665 km (0.09 R)
• M67: 21,568,871 km (0.058 R)
• M68: 21,938,827 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.7

Radius: 11.3

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.64 AU - 6.28 AU

Year: 4637 Days

Day: 7.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 21,567,135 km

• M1: 153,039 km (0.049 R)
• M2: 335,249 km (0.088 R)
• M3: 422,614 km (0.118 R)
• M4: 498,311 km (0.094 R)
• M5: 618,737 km (0.113 R)
• M6: 699,669 km (0.089 R)
• M7: 1,162,824 km (0.114 R)
• M8: 1,350,869 km (0.104 R)
• M9: 1,459,926 km (0.114 R)
• M10: 1,640,640 km (0.109 R)
• M11: 1,938,190 km (0.075 R)
• M12: 2,062,207 km (0.113 R)
• M13: 2,423,635 km (0.116 R)
• M14: 2,639,206 km (0.062 R)
• M15: 2,847,147 km (0.101 R)
• M16: 3,413,075 km (0.035 R)
• M17: 3,624,906 km (0.088 R)
• M18: 3,732,467 km (0.081 R)
• M19: 4,061,433 km (0.073 R)
• M20: 4,269,822 km (0.073 R)
• M21: 4,597,442 km (0.082 R)
• M22: 5,417,088 km (0.107 R)
• M23: 6,373,916 km (0.086 R)
• M24: 6,597,864 km (0.114 R)
• M25: 7,875,580 km (0.116 R)
• M26: 8,015,604 km (0.104 R)
• M27: 8,156,375 km (0.1 R)
• M28: 8,707,194 km (0.078 R)
• M29: 8,914,388 km (0.093 R)
• M30: 9,228,094 km (0.096 R)
• M31: 9,418,084 km (0.115 R)
• M32: 10,017,373 km (0.11 R)
• M33: 10,321,655 km (0.085 R)
• M34: 11,388,288 km (0.117 R)
• M35: 11,888,692 km (0.105 R)
• M36: 12,817,246 km (0.112 R)
• M37: 12,887,857 km (0.108 R)
• M38: 13,076,649 km (0.107 R)
• M39: 13,648,711 km (0.1 R)
• M40: 14,155,998 km (0.099 R)
• M41: 14,253,236 km (0.043 R)
• M42: 14,399,693 km (0.109 R)
• M43: 14,546,598 km (0.075 R)
• M44: 14,965,621 km (0.094 R)
• M45: 15,664,393 km (0.11 R)
• M46: 16,424,799 km (0.072 R)
• M47: 16,527,124 km (0.072 R)
• M48: 16,655,329 km (0.097 R)
• M49: 17,223,352 km (0.065 R)
• M50: 17,353,353 km (0.073 R)

Planet 10 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 11.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.52 AU - 6.8 AU

Year: 5556 Days

Day: 8 Hours

Environment

Temp: -140 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 21,567,135 km

• M1: 142,417 km (0.096 R)
• M2: 242,199 km (0.11 R)
• M3: 395,836 km (0.069 R)
• M4: 513,270 km (0.09 R)
• M5: 710,590 km (0.12 R)
• M6: 809,175 km (0.115 R)
• M7: 1,032,375 km (0.119 R)
• M8: 1,288,187 km (0.027 R)
• M9: 1,643,482 km (0.108 R)
• M10: 1,723,667 km (0.094 R)
• M11: 1,860,399 km (0.068 R)
• M12: 2,188,916 km (0.097 R)
• M13: 2,520,575 km (0.066 R)
• M14: 2,692,462 km (0.096 R)
• M15: 2,998,689 km (0.099 R)
• M16: 3,333,190 km (0.112 R)
• M17: 3,435,964 km (0.04 R)
• M18: 3,715,263 km (0.092 R)
• M19: 3,857,680 km (0.085 R)
• M20: 4,277,452 km (0.119 R)
• M21: 4,351,952 km (0.119 R)
• M22: 5,121,034 km (0.089 R)
• M23: 5,299,953 km (0.062 R)
• M24: 5,480,967 km (0.117 R)
• M25: 5,932,004 km (0.106 R)
• M26: 6,057,068 km (0.116 R)
• M27: 6,395,010 km (0.108 R)
• M28: 6,501,972 km (0.089 R)
• M29: 6,630,926 km (0.09 R)
• M30: 6,760,926 km (0.113 R)
• M31: 7,445,785 km (0.12 R)
• M32: 8,014,108 km (0.088 R)
• M33: 8,152,635 km (0.083 R)
• M34: 8,385,260 km (0.052 R)
• M35: 8,525,882 km (0.116 R)
• M36: 8,714,674 km (0.104 R)
• M37: 8,857,092 km (0.081 R)
• M38: 9,024,342 km (0.107 R)
• M39: 9,265,045 km (0.1 R)
• M40: 9,410,604 km (0.098 R)
• M41: 9,581,145 km (0.082 R)
• M42: 9,802,101 km (0.079 R)
• M43: 9,975,186 km (0.119 R)
• M44: 10,500,275 km (0.069 R)
• M45: 10,753,544 km (0.087 R)
• M46: 10,881,001 km (0.083 R)
• M47: 11,111,531 km (0.111 R)
• M48: 11,188,724 km (0.098 R)
• M49: 11,421,498 km (0.118 R)
• M50: 12,341,824 km (0.116 R)
• M51: 12,851,504 km (0.083 R)
• M52: 12,986,741 km (0.105 R)
• M53: 13,068,122 km (0.076 R)
• M54: 13,204,106 km (0.064 R)
• M55: 13,422,669 km (0.109 R)
• M56: 13,780,507 km (0.106 R)
• M57: 13,863,534 km (0.034 R)
• M58: 14,058,011 km (0.029 R)
• M59: 14,929,568 km (0.094 R)
• M60: 15,128,833 km (0.111 R)
• M61: 15,674,117 km (0.106 R)
• M62: 15,905,694 km (0.103 R)
• M63: 16,372,141 km (0.104 R)
• M64: 16,666,100 km (0.055 R)
• M65: 16,961,706 km (0.076 R)
• M66: 18,282,805 km (0.076 R)
• M67: 18,465,613 km (0.108 R)
• M68: 18,863,544 km (0.12 R)
• M69: 20,263,032 km (0.071 R)
• M70: 20,673,528 km (0.081 R)

Kuiper Belt

Range: 30.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 20,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit