🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.55 AU - 0.59 AU

Year: 282 Days

Day: 24.3 Hours

Environment

Temp: -129 °C

Axial Tilt: 10.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,534,577 km

• M1: 152,739 km (0.078 R)
• M2: 347,516 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.2

Radius: 15

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.65 AU - 0.75 AU

Year: 384 Days

Day: 5.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 92,534,577 km

• M1: 186,549 km (0.095 R)
• M2: 716,275 km (0.067 R)
• M3: 1,186,012 km (0.048 R)
• M4: 1,923,679 km (0.048 R)
• M5: 2,400,148 km (0.115 R)
• M6: 2,986,123 km (0.117 R)
• M7: 4,107,210 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.7

Radius: 10.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.62 AU - 0.82 AU

Year: 401 Days

Day: 13.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,534,577 km

• M1: 130,599 km (0.049 R)
• M2: 567,574 km (0.065 R)
• M3: 1,095,804 km (0.079 R)
• M4: 1,531,134 km (0.071 R)
• M5: 2,023,760 km (0.097 R)
• M6: 2,600,759 km (0.071 R)
• M7: 3,138,713 km (0.054 R)
• M8: 4,177,221 km (0.073 R)
• M9: 5,115,499 km (0.077 R)
• M10: 5,626,376 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.6

Radius: 11.9

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.83 AU - 0.87 AU

Year: 514 Days

Day: 5.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,534,577 km

• M1: 151,243 km (0.102 R)
• M2: 728,392 km (0.118 R)
• M3: 1,241,064 km (0.108 R)
• M4: 1,740,721 km (0.116 R)
• M5: 2,285,257 km (0.106 R)
• M6: 3,289,956 km (0.095 R)
• M7: 3,733,813 km (0.066 R)
• M8: 4,217,613 km (0.083 R)
• M9: 4,905,913 km (0.101 R)
• M10: 5,595,260 km (0.119 R)
• M11: 5,982,419 km (0.11 R)
• M12: 6,728,912 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.8

Radius: 11

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.97 AU - 1.09 AU

Year: 686 Days

Day: 10.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,534,577 km

• M1: 136,882 km (0.075 R)
• M2: 577,448 km (0.104 R)
• M3: 1,011,581 km (0.063 R)
• M4: 1,417,440 km (0.094 R)
• M5: 1,851,872 km (0.11 R)
• M6: 2,230,504 km (0.036 R)
• M7: 2,672,267 km (0.11 R)
• M8: 3,172,372 km (0.045 R)
• M9: 3,591,396 km (0.053 R)
• M10: 4,139,822 km (0.096 R)
• M11: 4,658,478 km (0.077 R)
• M12: 5,022,150 km (0.098 R)
• M13: 7,225,577 km (0.043 R)
• M14: 7,572,644 km (0.098 R)
• M15: 8,300,288 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.8

Radius: 11.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.95 AU - 1.53 AU

Year: 906 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 92,534,577 km

• M1: 148,102 km (0.108 R)
• M2: 663,018 km (0.068 R)
• M3: 1,225,655 km (0.082 R)
• M4: 1,980,975 km (0.041 R)
• M5: 2,450,413 km (0.095 R)
• M6: 2,835,029 km (0.062 R)
• M7: 3,665,746 km (0.091 R)
• M8: 4,213,424 km (0.069 R)
• M9: 4,681,516 km (0.087 R)
• M10: 5,408,262 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.2

Radius: 10.2

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.09 AU - 1.49 AU

Year: 961 Days

Day: 7.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 92,534,577 km

• M1: 126,859 km (0.111 R)
• M2: 602,580 km (0.098 R)
• M3: 1,053,019 km (0.082 R)
• M4: 1,430,754 km (0.1 R)
• M5: 1,972,747 km (0.073 R)
• M6: 2,468,365 km (0.117 R)
• M7: 2,847,745 km (0.073 R)
• M8: 3,595,585 km (0.119 R)
• M9: 4,116,634 km (0.112 R)
• M10: 4,502,447 km (0.07 R)
• M11: 4,929,998 km (0.082 R)
• M12: 5,729,000 km (0.067 R)
• M13: 6,852,031 km (0.113 R)
• M14: 7,536,142 km (0.064 R)
• M15: 8,017,099 km (0.11 R)
• M16: 8,441,957 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 9.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.78 AU - 4.4 AU

Year: 5426 Days

Day: 8 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 92,534,577 km

• M1: 125,213 km (0.085 R)
• M2: 505,940 km (0.077 R)
• M3: 802,742 km (0.101 R)
• M4: 1,106,875 km (0.026 R)
• M5: 1,510,938 km (0.092 R)
• M6: 3,350,244 km (0.116 R)
• M7: 4,318,292 km (0.095 R)
• M8: 5,052,369 km (0.082 R)
• M9: 5,649,115 km (0.068 R)
• M10: 6,034,928 km (0.091 R)
• M11: 6,497,185 km (0.096 R)
• M12: 6,920,996 km (0.11 R)
• M13: 9,323,238 km (0.107 R)
• M14: 9,863,137 km (0.111 R)
• M15: 10,711,806 km (0.078 R)
• M16: 11,477,298 km (0.091 R)
• M17: 12,052,502 km (0.093 R)
• M18: 13,260,505 km (0.119 R)
• M19: 13,697,031 km (0.073 R)
• M20: 14,855,966 km (0.114 R)
• M21: 16,743,293 km (0.102 R)
• M22: 17,715,380 km (0.119 R)
• M23: 18,483,864 km (0.066 R)
• M24: 18,785,154 km (0.064 R)
• M25: 21,514,567 km (0.096 R)
• M26: 22,731,696 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.5

Radius: 7.3

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.43 AU - 7.23 AU

Year: 10448 Days

Day: 21.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 92,534,577 km

• M1: 90,956 km (0.098 R)
• M2: 580,889 km (0.077 R)
• M3: 945,309 km (0.096 R)
• M4: 1,606,532 km (0.085 R)
• M5: 2,020,768 km (0.036 R)
• M6: 2,353,474 km (0.034 R)
• M7: 4,011,168 km (0.087 R)
• M8: 4,255,611 km (0.076 R)
• M9: 4,538,799 km (0.11 R)
• M10: 4,804,485 km (0.111 R)
• M11: 5,111,759 km (0.1 R)
• M12: 6,511,547 km (0.09 R)
• M13: 6,849,937 km (0.113 R)
• M14: 8,812,362 km (0.099 R)
• M15: 11,389,335 km (0.086 R)
• M16: 12,330,305 km (0.086 R)
• M17: 13,262,450 km (0.116 R)
• M18: 16,409,241 km (0.104 R)
• M19: 16,825,871 km (0.058 R)
• M20: 19,475,249 km (0.076 R)
• M21: 20,337,232 km (0.097 R)
• M22: 21,306,327 km (0.105 R)
• M23: 26,144,621 km (0.037 R)
• M24: 27,193,003 km (0.077 R)
• M25: 28,170,177 km (0.059 R)
• M26: 33,409,543 km (0.114 R)
• M27: 36,140,452 km (0.091 R)
• M28: 37,680,263 km (0.055 R)
• M29: 39,016,770 km (0.113 R)
• M30: 39,510,593 km (0.066 R)
• M31: 40,636,766 km (0.043 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.8

Radius: 4.2

Gravity: 56.56 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 10.24 AU - 10.7 AU

Year: 22224 Days

Day: 18.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 92,534,577 km

• M1: 57,296 km (0.072 R)
• M2: 220,208 km (0.085 R)
• M3: 445,353 km (0.075 R)
• M4: 600,635 km (0.043 R)
• M5: 921,074 km (0.074 R)
• M6: 1,696,589 km (0.05 R)
• M7: 1,975,589 km (0.067 R)
• M8: 2,524,314 km (0.036 R)
• M9: 3,498,047 km (0.095 R)
• M10: 4,260,099 km (0.096 R)
• M11: 5,882,787 km (0.109 R)
• M12: 6,426,276 km (0.092 R)
• M13: 7,151,676 km (0.075 R)
• M14: 7,508,317 km (0.099 R)
• M15: 7,930,183 km (0.109 R)
• M16: 8,201,853 km (0.106 R)
• M17: 10,089,479 km (0.093 R)
• M18: 11,201,290 km (0.063 R)
• M19: 12,758,155 km (0.095 R)
• M20: 13,820,749 km (0.046 R)
• M21: 14,614,814 km (0.062 R)
• M22: 14,940,938 km (0.083 R)
• M23: 19,142,843 km (0.102 R)
• M24: 20,633,735 km (0.119 R)
• M25: 21,147,305 km (0.102 R)
• M26: 21,355,246 km (0.099 R)
• M27: 23,844,255 km (0.079 R)
• M28: 28,242,881 km (0.112 R)
• M29: 30,964,964 km (0.098 R)
• M30: 31,367,532 km (0.076 R)
• M31: 33,433,179 km (0.101 R)
• M32: 34,427,407 km (0.082 R)
• M33: 39,381,191 km (0.115 R)
• M34: 39,853,770 km (0.11 R)
• M35: 44,789,303 km (0.095 R)
• M36: 46,345,720 km (0.089 R)
• M37: 49,019,333 km (0.059 R)
• M38: 52,551,039 km (0.073 R)
• M39: 53,700,699 km (0.097 R)
• M40: 61,796,038 km (0.116 R)
• M41: 63,723,158 km (0.103 R)
• M42: 63,939,626 km (0.084 R)
• M43: 64,810,884 km (0.072 R)
• M44: 86,298,972 km (0.12 R)
• M45: 86,829,746 km (0.065 R)
• M46: 89,787,744 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 14,129 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit