🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.6 AU - 0.68 AU

Year: 189 Days

Day: 16.4 Hours

Environment

Temp: 206 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,241,395 km

• M1: 60,886 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.64 AU - 1.04 AU

Year: 284 Days

Day: 16.3 Hours

Environment

Temp: 109 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,241,395 km

• M1: 85,570 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 2.21 AU - 3.21 AU

Year: 1646 Days

Day: 29.1 Hours

Environment

Temp: -102 °C

Axial Tilt: 46.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 28,241,395 km

• M1: 49,666 km (0.09 R)
• M2: 135,984 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.8

Radius: 8.6

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.15 AU - 5.53 AU

Year: 4553 Days

Day: 12.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 28,241,395 km

• M1: 106,962 km (0.112 R)
• M2: 467,194 km (0.049 R)
• M3: 822,639 km (0.109 R)
• M4: 1,605,185 km (0.085 R)
• M5: 2,123,243 km (0.117 R)
• M6: 2,884,247 km (0.099 R)
• M7: 3,631,189 km (0.113 R)
• M8: 3,900,016 km (0.092 R)
• M9: 4,226,888 km (0.028 R)
• M10: 4,643,219 km (0.105 R)
• M11: 5,397,790 km (0.102 R)
• M12: 5,749,196 km (0.098 R)
• M13: 7,053,540 km (0.102 R)
• M14: 7,808,859 km (0.117 R)
• M15: 10,194,646 km (0.069 R)
• M16: 10,690,713 km (0.114 R)
• M17: 12,321,928 km (0.112 R)
• M18: 13,269,630 km (0.116 R)
• M19: 13,761,359 km (0.115 R)
• M20: 14,316,217 km (0.087 R)
• M21: 14,885,886 km (0.074 R)
• M22: 16,181,403 km (0.042 R)
• M23: 16,629,299 km (0.102 R)
• M24: 18,933,107 km (0.102 R)
• M25: 19,305,456 km (0.104 R)
• M26: 20,000,787 km (0.087 R)
• M27: 20,582,124 km (0.033 R)
• M28: 21,108,260 km (0.081 R)
• M29: 22,118,793 km (0.118 R)
• M30: 22,393,604 km (0.077 R)
• M31: 23,302,711 km (0.092 R)
• M32: 23,946,430 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.3

Radius: 15

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 7.6 AU - 9.9 AU

Year: 9550 Days

Day: 14.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,241,395 km

• M1: 186,549 km (0.09 R)
• M2: 716,125 km (0.103 R)
• M3: 1,622,838 km (0.053 R)
• M4: 2,414,360 km (0.073 R)
• M5: 3,084,858 km (0.056 R)
• M6: 4,508,880 km (0.042 R)
• M7: 5,239,665 km (0.09 R)
• M8: 6,191,257 km (0.096 R)
• M9: 11,844,262 km (0.119 R)
• M10: 12,355,139 km (0.093 R)
• M11: 14,419,739 km (0.11 R)
• M12: 15,601,712 km (0.082 R)
• M13: 16,424,799 km (0.115 R)
• M14: 18,232,839 km (0.064 R)
• M15: 19,301,566 km (0.116 R)
• M16: 24,088,548 km (0.078 R)
• M17: 28,387,243 km (0.093 R)
• M18: 30,031,623 km (0.116 R)
• M19: 32,065,855 km (0.1 R)
• M20: 34,076,301 km (0.071 R)
• M21: 35,462,474 km (0.038 R)
• M22: 36,886,048 km (0.059 R)
• M23: 42,830,020 km (0.109 R)
• M24: 44,580,465 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.5

Radius: 11.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 9.12 AU - 13.02 AU

Year: 13589 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,241,395 km

• M1: 139,276 km (0.105 R)
• M2: 636,090 km (0.106 R)
• M3: 1,095,056 km (0.061 R)
• M4: 2,275,234 km (0.117 R)
• M5: 3,610,694 km (0.118 R)
• M6: 4,395,784 km (0.097 R)
• M7: 6,371,523 km (0.119 R)
• M8: 6,964,230 km (0.083 R)
• M9: 7,329,697 km (0.119 R)
• M10: 10,028,293 km (0.033 R)
• M11: 14,009,541 km (0.034 R)
• M12: 16,963,800 km (0.115 R)
• M13: 17,762,802 km (0.104 R)
• M14: 19,942,892 km (0.103 R)
• M15: 28,002,178 km (0.071 R)
• M16: 31,636,359 km (0.092 R)
• M17: 36,551,697 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.5

Radius: 13.4

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 12.08 AU - 12.28 AU

Year: 15684 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,241,395 km

• M1: 167,250 km (0.094 R)
• M2: 755,320 km (0.093 R)
• M3: 1,216,829 km (0.048 R)
• M4: 1,717,683 km (0.115 R)
• M5: 3,150,531 km (0.081 R)
• M6: 3,784,078 km (0.069 R)
• M7: 4,601,481 km (0.114 R)
• M8: 7,118,016 km (0.12 R)
• M9: 10,092,920 km (0.051 R)
• M10: 12,178,613 km (0.109 R)
• M11: 12,911,044 km (0.113 R)
• M12: 18,452,449 km (0.068 R)
• M13: 19,152,417 km (0.114 R)
• M14: 20,419,661 km (0.077 R)
• M15: 20,885,658 km (0.118 R)
• M16: 22,721,224 km (0.101 R)
• M17: 23,525,462 km (0.042 R)
• M18: 25,727,094 km (0.085 R)
• M19: 27,269,149 km (0.111 R)
• M20: 31,640,398 km (0.085 R)
• M21: 33,797,151 km (0.06 R)
• M22: 36,050,244 km (0.063 R)
• M23: 36,731,513 km (0.071 R)
• M24: 46,388,056 km (0.083 R)
• M25: 51,194,486 km (0.094 R)
• M26: 55,234,975 km (0.104 R)
• M27: 57,981,891 km (0.111 R)
• M28: 59,105,670 km (0.094 R)
• M29: 69,461,283 km (0.087 R)
• M30: 71,154,881 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 674.5

Radius: 6.9

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 15.34 AU - 19.22 AU

Year: 26503 Days

Day: 24.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 28,241,395 km

• M1: 85,869 km (0.111 R)
• M2: 325,525 km (0.111 R)
• M3: 741,706 km (0.098 R)
• M4: 1,153,100 km (0.095 R)
• M5: 1,689,409 km (0.08 R)
• M6: 2,598,814 km (0.115 R)
• M7: 3,364,755 km (0.096 R)
• M8: 3,997,704 km (0.099 R)
• M9: 4,820,642 km (0.075 R)
• M10: 5,374,154 km (0.111 R)
• M11: 5,925,123 km (0.106 R)
• M12: 6,328,289 km (0.109 R)
• M13: 7,040,525 km (0.111 R)
• M14: 7,492,909 km (0.055 R)
• M15: 8,794,111 km (0.114 R)
• M16: 9,988,201 km (0.108 R)
• M17: 13,213,232 km (0.092 R)
• M18: 16,367,802 km (0.09 R)
• M19: 16,717,412 km (0.12 R)
• M20: 25,258,404 km (0.098 R)
• M21: 30,451,544 km (0.057 R)
• M22: 31,650,122 km (0.109 R)
• M23: 33,436,321 km (0.033 R)
• M24: 34,568,328 km (0.096 R)
• M25: 41,739,751 km (0.062 R)
• M26: 43,383,831 km (0.094 R)
• M27: 53,971,022 km (0.09 R)
• M28: 66,157,115 km (0.119 R)
• M29: 76,839,600 km (0.118 R)
• M30: 82,331,936 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 17.1

Radius: 5.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 17.64 AU - 18.74 AU

Year: 28624 Days

Day: 23.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,241,395 km

• M1: 70,012 km (0.104 R)
• M2: 552,166 km (0.086 R)
• M3: 2,215,844 km (0.084 R)
• M4: 4,679,421 km (0.081 R)
• M5: 11,484,778 km (0.095 R)
• M6: 12,001,489 km (0.102 R)
• M7: 14,985,368 km (0.087 R)
• M8: 16,003,232 km (0.105 R)
• M9: 16,177,364 km (0.033 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 18,937 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit