🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.9 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.7

Radius: 10.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.49 AU - 2.11 AU

Year: 1584 Days

Day: 12.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,601,831 km

• M1: 132,843 km (0.108 R)
• M2: 910,752 km (0.099 R)
• M3: 1,977,983 km (0.089 R)
• M4: 3,750,119 km (0.027 R)
• M5: 4,190,536 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956

Radius: 12.5

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.52 AU - 2.7 AU

Year: 2766 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,601,831 km

• M1: 155,881 km (0.028 R)
• M2: 556,953 km (0.073 R)
• M3: 1,235,678 km (0.119 R)
• M4: 1,655,749 km (0.12 R)
• M5: 2,668,826 km (0.072 R)
• M6: 3,442,247 km (0.08 R)
• M7: 4,100,627 km (0.043 R)
• M8: 5,434,591 km (0.067 R)
• M9: 6,244,066 km (0.066 R)
• M10: 6,857,417 km (0.053 R)
• M11: 8,691,187 km (0.057 R)
• M12: 9,456,680 km (0.111 R)
• M13: 10,108,927 km (0.108 R)
• M14: 10,709,263 km (0.076 R)
• M15: 11,248,563 km (0.032 R)
• M16: 12,381,767 km (0.115 R)
• M17: 13,069,319 km (0.084 R)
• M18: 15,182,239 km (0.055 R)
• M19: 15,916,914 km (0.098 R)
• M20: 18,030,583 km (0.111 R)
• M21: 18,675,948 km (0.082 R)
• M22: 22,605,435 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.2

Radius: 9.5

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.53 AU - 2.93 AU

Year: 2959 Days

Day: 7.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,601,831 km

• M1: 118,182 km (0.105 R)
• M2: 493,075 km (0.052 R)
• M3: 812,915 km (0.114 R)
• M4: 1,506,451 km (0.059 R)
• M5: 2,076,269 km (0.044 R)
• M6: 2,619,908 km (0.081 R)
• M7: 3,118,068 km (0.117 R)
• M8: 4,081,778 km (0.105 R)
• M9: 4,752,874 km (0.117 R)
• M10: 5,232,634 km (0.076 R)
• M11: 5,562,797 km (0.073 R)
• M12: 5,930,209 km (0.061 R)
• M13: 8,637,183 km (0.103 R)
• M14: 11,044,362 km (0.104 R)
• M15: 11,737,748 km (0.082 R)
• M16: 12,266,876 km (0.093 R)
• M17: 13,251,529 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 249.1

Radius: 9.9

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.11 AU - 3.47 AU

Year: 3057 Days

Day: 11.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,601,831 km

• M1: 246,388 km (0.118 R)
• M2: 1,200,373 km (0.099 R)
• M3: 1,671,906 km (0.114 R)
• M4: 2,313,980 km (0.095 R)
• M5: 2,930,921 km (0.085 R)
• M6: 3,829,855 km (0.1 R)
• M7: 4,275,657 km (0.053 R)
• M8: 6,214,296 km (0.085 R)
• M9: 7,237,695 km (0.076 R)
• M10: 7,631,436 km (0.112 R)
• M11: 9,886,325 km (0.108 R)
• M12: 10,620,102 km (0.086 R)
• M13: 14,137,896 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 10.3

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.91 AU - 4.09 AU

Year: 4295 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,601,831 km

• M1: 128,056 km (0.107 R)
• M2: 556,354 km (0.096 R)
• M3: 1,081,144 km (0.071 R)
• M4: 1,429,408 km (0.095 R)
• M5: 1,945,670 km (0.078 R)
• M6: 2,285,556 km (0.058 R)
• M7: 2,699,045 km (0.094 R)
• M8: 3,106,250 km (0.108 R)
• M9: 4,112,296 km (0.042 R)
• M10: 4,484,047 km (0.047 R)
• M11: 6,475,194 km (0.083 R)
• M12: 8,394,984 km (0.114 R)
• M13: 8,767,333 km (0.037 R)
• M14: 11,645,297 km (0.067 R)
• M15: 12,440,858 km (0.114 R)
• M16: 13,625,374 km (0.102 R)
• M17: 14,455,642 km (0.102 R)
• M18: 15,596,326 km (0.059 R)
• M19: 19,185,329 km (0.114 R)
• M20: 19,702,189 km (0.104 R)
• M21: 21,446,052 km (0.066 R)
• M22: 23,436,750 km (0.115 R)
• M23: 25,937,428 km (0.106 R)
• M24: 26,649,215 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 287.1

Radius: 11.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.89 AU - 5.31 AU

Year: 6472 Days

Day: 6.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,601,831 km

• M1: 138,079 km (0.089 R)
• M2: 675,434 km (0.071 R)
• M3: 1,457,981 km (0.073 R)
• M4: 2,231,551 km (0.115 R)
• M5: 4,508,281 km (0.108 R)
• M6: 5,511,186 km (0.072 R)
• M7: 7,170,525 km (0.104 R)
• M8: 9,257,565 km (0.103 R)
• M9: 9,980,272 km (0.083 R)
• M10: 10,525,407 km (0.093 R)
• M11: 11,268,160 km (0.108 R)
• M12: 12,375,783 km (0.12 R)
• M13: 14,592,823 km (0.075 R)
• M14: 17,300,246 km (0.12 R)
• M15: 18,521,264 km (0.071 R)
• M16: 19,409,576 km (0.075 R)
• M17: 19,929,877 km (0.101 R)
• M18: 21,754,672 km (0.062 R)
• M19: 22,600,349 km (0.098 R)
• M20: 23,321,859 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.3

Radius: 12

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.37 AU - 6.25 AU

Year: 8027 Days

Day: 9.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,601,831 km

• M1: 149,299 km (0.081 R)
• M2: 612,005 km (0.119 R)
• M3: 1,149,809 km (0.106 R)
• M4: 1,523,206 km (0.069 R)
• M5: 1,995,785 km (0.063 R)
• M6: 3,749,371 km (0.104 R)
• M7: 4,336,393 km (0.042 R)
• M8: 5,235,177 km (0.114 R)
• M9: 6,111,073 km (0.076 R)
• M10: 6,584,401 km (0.084 R)
• M11: 7,522,828 km (0.079 R)
• M12: 8,910,199 km (0.106 R)
• M13: 10,771,495 km (0.061 R)
• M14: 11,960,649 km (0.069 R)
• M15: 13,659,482 km (0.064 R)
• M16: 14,281,062 km (0.114 R)
• M17: 15,647,788 km (0.105 R)
• M18: 16,190,678 km (0.11 R)
• M19: 17,822,043 km (0.085 R)
• M20: 18,489,399 km (0.091 R)
• M21: 20,672,331 km (0.097 R)
• M22: 22,163,373 km (0.112 R)
• M23: 22,676,045 km (0.115 R)
• M24: 27,066,144 km (0.118 R)
• M25: 28,047,207 km (0.105 R)
• M26: 30,920,533 km (0.066 R)
• M27: 31,453,401 km (0.084 R)
• M28: 34,552,171 km (0.058 R)
• M29: 42,782,448 km (0.092 R)
• M30: 46,577,895 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.5

Radius: 5.5

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.45 AU - 6.57 AU

Year: 9665 Days

Day: 21 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,601,831 km

• M1: 68,366 km (0.095 R)
• M2: 444,156 km (0.112 R)
• M3: 649,554 km (0.113 R)
• M4: 891,304 km (0.099 R)
• M5: 1,116,449 km (0.074 R)
• M6: 1,391,709 km (0.062 R)
• M7: 2,478,238 km (0.073 R)
• M8: 3,689,682 km (0.071 R)
• M9: 5,129,412 km (0.086 R)
• M10: 7,019,132 km (0.082 R)
• M11: 7,399,559 km (0.112 R)
• M12: 8,453,028 km (0.114 R)
• M13: 8,840,037 km (0.094 R)
• M14: 9,556,910 km (0.106 R)
• M15: 10,167,419 km (0.067 R)
• M16: 10,360,401 km (0.082 R)
• M17: 10,604,993 km (0.099 R)
• M18: 10,803,509 km (0.096 R)
• M19: 13,096,845 km (0.09 R)
• M20: 13,967,654 km (0.09 R)
• M21: 14,938,395 km (0.109 R)
• M22: 19,199,840 km (0.034 R)
• M23: 20,705,542 km (0.078 R)
• M24: 23,611,182 km (0.1 R)
• M25: 25,692,387 km (0.102 R)
• M26: 26,140,882 km (0.113 R)
• M27: 27,424,431 km (0.074 R)
• M28: 27,892,822 km (0.106 R)
• M29: 30,916,943 km (0.112 R)
• M30: 33,296,746 km (0.055 R)
• M31: 35,463,222 km (0.116 R)

Asteroid Belt

Center: 7.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.9

Radius: 3.6

Gravity: 42.51 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.13 AU - 9.69 AU

Year: 17447 Days

Day: 20.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,601,831 km

• M1: 44,730 km (0.104 R)
• M2: 229,633 km (0.067 R)
• M3: 350,807 km (0.061 R)
• M4: 561,291 km (0.094 R)
• M5: 1,090,269 km (0.065 R)
• M6: 1,719,029 km (0.082 R)
• M7: 2,024,358 km (0.025 R)
• M8: 2,302,012 km (0.066 R)
• M9: 2,933,016 km (0.094 R)
• M10: 3,449,129 km (0.098 R)
• M11: 3,903,756 km (0.104 R)
• M12: 4,559,594 km (0.058 R)
• M13: 7,501,136 km (0.108 R)
• M14: 10,552,783 km (0.06 R)
• M15: 13,919,483 km (0.056 R)
• M16: 17,207,046 km (0.107 R)
• M17: 17,529,430 km (0.107 R)
• M18: 19,461,187 km (0.092 R)
• M19: 20,976,913 km (0.118 R)
• M20: 25,055,549 km (0.104 R)
• M21: 29,174,128 km (0.063 R)
• M22: 29,978,964 km (0.116 R)
• M23: 30,211,589 km (0.108 R)
• M24: 34,099,488 km (0.119 R)
• M25: 34,735,728 km (0.09 R)
• M26: 35,379,597 km (0.113 R)
• M27: 41,250,117 km (0.115 R)
• M28: 43,441,426 km (0.092 R)
• M29: 49,337,378 km (0.11 R)
• M30: 50,150,891 km (0.082 R)
• M31: 51,637,445 km (0.057 R)
• M32: 53,323,263 km (0.071 R)
• M33: 56,272,885 km (0.091 R)
• M34: 57,697,804 km (0.106 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 15,049 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit