🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.51 AU - 0.65 AU

Year: 281 Days

Day: 28.8 Hours

Environment

Temp: -124 °C

Axial Tilt: 99.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.6

Radius: 8.1

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.92 AU - 1.36 AU

Year: 774 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 81.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,364,010 km

• M1: 101,577 km (0.108 R)
• M2: 397,482 km (0.052 R)
• M3: 692,937 km (0.09 R)
• M4: 1,114,504 km (0.068 R)
• M5: 1,492,688 km (0.095 R)
• M6: 1,752,689 km (0.112 R)
• M7: 2,212,104 km (0.071 R)
• M8: 2,483,624 km (0.05 R)
• M9: 3,425,043 km (0.078 R)
• M10: 4,144,908 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.1

Radius: 10.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.99 AU - 1.37 AU

Year: 815 Days

Day: 11 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,364,010 km

• M1: 133,142 km (0.113 R)
• M2: 495,019 km (0.07 R)
• M3: 864,975 km (0.084 R)
• M4: 1,302,100 km (0.116 R)
• M5: 1,655,151 km (0.057 R)
• M6: 2,121,747 km (0.098 R)
• M7: 2,675,109 km (0.054 R)
• M8: 3,200,646 km (0.106 R)
• M9: 3,588,404 km (0.097 R)
• M10: 4,697,822 km (0.102 R)
• M11: 5,109,515 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.8

Radius: 10.3

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.42 AU - 3.68 AU

Year: 3387 Days

Day: 5.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,364,010 km

• M1: 128,056 km (0.104 R)
• M2: 451,636 km (0.098 R)
• M3: 982,858 km (0.064 R)
• M4: 1,596,060 km (0.111 R)
• M5: 1,996,683 km (0.079 R)
• M6: 3,021,428 km (0.051 R)
• M7: 3,844,665 km (0.118 R)
• M8: 4,388,304 km (0.11 R)
• M9: 5,082,438 km (0.116 R)
• M10: 5,738,126 km (0.107 R)
• M11: 6,072,477 km (0.041 R)
• M12: 6,688,970 km (0.053 R)
• M13: 8,360,427 km (0.101 R)
• M14: 9,011,925 km (0.035 R)
• M15: 10,705,523 km (0.114 R)
• M16: 11,042,716 km (0.028 R)
• M17: 16,206,835 km (0.096 R)
• M18: 18,095,508 km (0.073 R)
• M19: 19,999,291 km (0.111 R)
• M20: 21,296,304 km (0.111 R)
• M21: 21,897,837 km (0.119 R)
• M22: 22,579,555 km (0.117 R)
• M23: 22,995,287 km (0.111 R)
• M24: 23,557,625 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.7

Radius: 13.8

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.29 AU - 3.61 AU

Year: 4074 Days

Day: 5.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,364,010 km

• M1: 172,786 km (0.114 R)
• M2: 1,508,994 km (0.114 R)
• M3: 3,479,347 km (0.096 R)
• M4: 4,019,545 km (0.068 R)
• M5: 5,169,504 km (0.105 R)
• M6: 5,821,751 km (0.089 R)
• M7: 6,918,154 km (0.049 R)
• M8: 7,810,954 km (0.061 R)
• M9: 9,033,467 km (0.112 R)
• M10: 10,140,043 km (0.113 R)
• M11: 10,582,703 km (0.115 R)
• M12: 11,249,610 km (0.075 R)
• M13: 11,944,492 km (0.109 R)
• M14: 12,853,299 km (0.1 R)
• M15: 14,202,373 km (0.078 R)
• M16: 15,432,217 km (0.111 R)
• M17: 16,455,167 km (0.111 R)
• M18: 17,011,522 km (0.086 R)
• M19: 18,398,145 km (0.086 R)
• M20: 22,058,655 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595

Radius: 14.2

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.18 AU - 5.82 AU

Year: 8201 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,364,010 km

• M1: 176,675 km (0.086 R)
• M2: 674,686 km (0.113 R)
• M3: 1,190,350 km (0.09 R)
• M4: 1,649,765 km (0.118 R)
• M5: 2,180,987 km (0.111 R)
• M6: 3,326,309 km (0.111 R)
• M7: 4,927,754 km (0.064 R)
• M8: 5,531,082 km (0.042 R)
• M9: 6,048,990 km (0.116 R)
• M10: 6,923,240 km (0.107 R)
• M11: 8,122,566 km (0.098 R)
• M12: 10,488,157 km (0.076 R)
• M13: 11,284,915 km (0.098 R)
• M14: 17,345,724 km (0.094 R)
• M15: 20,832,999 km (0.096 R)
• M16: 22,659,290 km (0.075 R)
• M17: 27,549,046 km (0.092 R)
• M18: 28,111,534 km (0.118 R)
• M19: 29,259,399 km (0.059 R)
• M20: 30,338,897 km (0.119 R)
• M21: 36,026,758 km (0.079 R)
• M22: 37,609,802 km (0.077 R)
• M23: 38,070,564 km (0.079 R)
• M24: 39,712,700 km (0.087 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813

Radius: 5.1

Gravity: 31.26 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 5.59 AU - 8.83 AU

Year: 12309 Days

Day: 23.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,364,010 km

• M1: 63,429 km (0.058 R)
• M2: 297,401 km (0.089 R)
• M3: 462,856 km (0.087 R)
• M4: 762,650 km (0.113 R)
• M5: 1,196,783 km (0.11 R)
• M6: 1,355,357 km (0.103 R)
• M7: 2,025,555 km (0.077 R)
• M8: 2,646,386 km (0.1 R)
• M9: 2,825,605 km (0.064 R)
• M10: 3,036,687 km (0.112 R)
• M11: 3,283,673 km (0.106 R)
• M12: 3,679,210 km (0.066 R)
• M13: 3,960,155 km (0.107 R)
• M14: 4,165,104 km (0.05 R)
• M15: 11,424,041 km (0.117 R)
• M16: 16,727,286 km (0.039 R)
• M17: 18,614,912 km (0.028 R)
• M18: 18,942,830 km (0.061 R)
• M19: 19,525,813 km (0.098 R)
• M20: 20,206,633 km (0.086 R)
• M21: 20,466,036 km (0.089 R)
• M22: 20,727,533 km (0.103 R)
• M23: 28,445,437 km (0.056 R)
• M24: 28,662,354 km (0.098 R)
• M25: 31,467,912 km (0.101 R)
• M26: 31,816,326 km (0.108 R)
• M27: 32,167,432 km (0.084 R)
• M28: 34,697,730 km (0.11 R)
• M29: 40,286,407 km (0.1 R)
• M30: 41,806,771 km (0.026 R)
• M31: 47,657,543 km (0.035 R)
• M32: 56,218,431 km (0.093 R)
• M33: 56,389,122 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 655.3

Radius: 5.8

Gravity: 19.48 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 8.37 AU - 13.79 AU

Year: 23450 Days

Day: 22.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,364,010 km

• M1: 130,898 km (0.112 R)
• M2: 738,415 km (0.074 R)
• M3: 971,189 km (0.077 R)
• M4: 1,297,014 km (0.077 R)
• M5: 2,458,641 km (0.115 R)
• M6: 2,725,374 km (0.118 R)
• M7: 3,893,733 km (0.112 R)
• M8: 4,089,108 km (0.106 R)
• M9: 5,244,453 km (0.071 R)
• M10: 5,523,602 km (0.064 R)
• M11: 8,232,371 km (0.12 R)
• M12: 9,226,149 km (0.046 R)
• M13: 9,991,791 km (0.093 R)
• M14: 11,120,807 km (0.108 R)
• M15: 12,613,344 km (0.107 R)
• M16: 14,388,323 km (0.113 R)
• M17: 14,621,247 km (0.058 R)
• M18: 16,155,822 km (0.098 R)
• M19: 17,091,706 km (0.066 R)
• M20: 19,731,361 km (0.04 R)
• M21: 22,009,138 km (0.072 R)
• M22: 24,899,518 km (0.1 R)
• M23: 26,609,871 km (0.091 R)
• M24: 27,078,860 km (0.115 R)
• M25: 31,420,490 km (0.092 R)
• M26: 32,208,571 km (0.069 R)
• M27: 35,210,851 km (0.117 R)
• M28: 38,843,237 km (0.038 R)
• M29: 39,295,172 km (0.07 R)
• M30: 40,209,664 km (0.059 R)
• M31: 43,038,260 km (0.063 R)
• M32: 44,009,749 km (0.115 R)
• M33: 45,161,652 km (0.1 R)
• M34: 57,610,738 km (0.058 R)
• M35: 70,810,058 km (0.108 R)
• M36: 71,034,455 km (0.066 R)
• M37: 74,456,506 km (0.093 R)
• M38: 75,855,545 km (0.071 R)
• M39: 80,157,681 km (0.055 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 16,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit