🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.3

Radius: 12.2

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.61 AU - 0.95 AU

Year: 445 Days

Day: 5 Hours

Environment

Temp: -142 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,269,422 km

• M1: 151,991 km (0.096 R)
• M2: 535,112 km (0.085 R)
• M3: 993,928 km (0.119 R)
• M4: 1,621,043 km (0.094 R)
• M5: 2,051,735 km (0.115 R)
• M6: 2,520,425 km (0.103 R)
• M7: 3,264,674 km (0.083 R)
• M8: 4,261,445 km (0.072 R)
• M9: 5,190,597 km (0.051 R)
• M10: 5,618,447 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 8.3

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.07 AU - 1.09 AU

Year: 725 Days

Day: 13.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,269,422 km

• M1: 103,821 km (0.074 R)
• M2: 428,897 km (0.067 R)
• M3: 895,942 km (0.112 R)
• M4: 1,224,907 km (0.118 R)
• M5: 2,601,058 km (0.054 R)
• M6: 3,442,995 km (0.109 R)
• M7: 3,844,366 km (0.093 R)
• M8: 4,209,086 km (0.08 R)
• M9: 4,554,058 km (0.099 R)
• M10: 5,053,566 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.6

Radius: 9.5

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.99 AU - 1.19 AU

Year: 735 Days

Day: 11.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,269,422 km

• M1: 122,670 km (0.065 R)
• M2: 780,751 km (0.111 R)
• M3: 1,092,812 km (0.078 R)
• M4: 1,446,163 km (0.109 R)
• M5: 1,790,387 km (0.109 R)
• M6: 2,570,690 km (0.104 R)
• M7: 2,971,612 km (0.108 R)
• M8: 3,361,315 km (0.07 R)
• M9: 4,400,122 km (0.059 R)
• M10: 5,828,931 km (0.094 R)
• M11: 6,421,937 km (0.12 R)
• M12: 7,319,225 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.7

Radius: 11.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.81 AU - 2.85 AU

Year: 2296 Days

Day: 12 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,269,422 km

• M1: 139,276 km (0.096 R)
• M2: 504,294 km (0.113 R)
• M3: 1,104,481 km (0.112 R)
• M4: 1,825,842 km (0.085 R)
• M5: 2,268,353 km (0.071 R)
• M6: 3,811,155 km (0.113 R)
• M7: 4,561,089 km (0.097 R)
• M8: 5,473,936 km (0.094 R)
• M9: 6,106,884 km (0.084 R)
• M10: 6,606,840 km (0.065 R)
• M11: 7,947,686 km (0.097 R)
• M12: 8,728,886 km (0.068 R)
• M13: 9,962,021 km (0.115 R)
• M14: 10,620,402 km (0.109 R)
• M15: 11,160,600 km (0.096 R)
• M16: 12,062,974 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.1

Radius: 8.5

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 2.19 AU - 3.29 AU

Year: 2928 Days

Day: 14.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,269,422 km

• M1: 105,915 km (0.044 R)
• M2: 465,997 km (0.111 R)
• M3: 1,065,436 km (0.056 R)
• M4: 1,364,632 km (0.116 R)
• M5: 1,720,525 km (0.115 R)
• M6: 2,428,273 km (0.108 R)
• M7: 5,242,807 km (0.085 R)
• M8: 6,541,466 km (0.07 R)
• M9: 6,919,350 km (0.11 R)
• M10: 9,760,363 km (0.102 R)
• M11: 10,685,477 km (0.092 R)
• M12: 13,669,805 km (0.094 R)
• M13: 17,720,765 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 9

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.44 AU - 3.2 AU

Year: 3058 Days

Day: 7.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,269,422 km

• M1: 111,899 km (0.073 R)
• M2: 435,180 km (0.104 R)
• M3: 1,728,304 km (0.098 R)
• M4: 2,294,233 km (0.082 R)
• M5: 2,937,803 km (0.058 R)
• M6: 3,250,463 km (0.047 R)
• M7: 3,585,263 km (0.062 R)
• M8: 6,287,898 km (0.089 R)
• M9: 6,908,130 km (0.114 R)
• M10: 9,710,847 km (0.118 R)
• M11: 10,870,679 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 12.3

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.71 AU - 4.57 AU

Year: 5439 Days

Day: 7.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 67,269,422 km

• M1: 153,188 km (0.114 R)
• M2: 854,802 km (0.116 R)
• M3: 1,323,343 km (0.036 R)
• M4: 2,147,029 km (0.026 R)
• M5: 2,601,657 km (0.046 R)
• M6: 3,141,256 km (0.072 R)
• M7: 3,685,344 km (0.1 R)
• M8: 4,499,605 km (0.098 R)
• M9: 5,798,862 km (0.091 R)
• M10: 6,184,376 km (0.073 R)
• M11: 7,520,285 km (0.081 R)
• M12: 8,058,239 km (0.069 R)
• M13: 9,384,723 km (0.076 R)
• M14: 10,996,939 km (0.103 R)
• M15: 11,997,450 km (0.086 R)
• M16: 12,679,616 km (0.072 R)
• M17: 13,332,013 km (0.111 R)
• M18: 14,410,763 km (0.072 R)
• M19: 15,121,652 km (0.082 R)
• M20: 16,231,519 km (0.114 R)
• M21: 17,461,213 km (0.075 R)
• M22: 19,887,541 km (0.06 R)
• M23: 21,829,770 km (0.107 R)
• M24: 22,373,558 km (0.099 R)
• M25: 24,059,526 km (0.104 R)
• M26: 27,502,521 km (0.085 R)
• M27: 30,195,433 km (0.076 R)
• M28: 31,457,889 km (0.111 R)
• M29: 35,456,191 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.3

Radius: 10.9

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.54 AU - 5.52 AU

Year: 6225 Days

Day: 15 Hours

Environment

Temp: -214 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,269,422 km

• M1: 135,536 km (0.091 R)
• M2: 521,797 km (0.067 R)
• M3: 1,115,851 km (0.07 R)
• M4: 1,481,767 km (0.108 R)
• M5: 3,037,435 km (0.065 R)
• M6: 3,399,761 km (0.077 R)
• M7: 4,110,501 km (0.12 R)
• M8: 6,809,695 km (0.103 R)
• M9: 8,589,760 km (0.073 R)
• M10: 10,806,950 km (0.038 R)
• M11: 11,761,235 km (0.114 R)
• M12: 13,101,482 km (0.059 R)
• M13: 16,926,700 km (0.097 R)
• M14: 17,663,469 km (0.082 R)
• M15: 18,074,265 km (0.099 R)
• M16: 18,702,427 km (0.08 R)
• M17: 20,750,122 km (0.101 R)
• M18: 21,671,944 km (0.089 R)
• M19: 24,095,579 km (0.098 R)
• M20: 25,546,529 km (0.059 R)
• M21: 28,809,857 km (0.106 R)
• M22: 32,341,264 km (0.06 R)
• M23: 34,316,704 km (0.096 R)
• M24: 37,372,839 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.8

Radius: 11.2

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.16 AU - 6.64 AU

Year: 8102 Days

Day: 14.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,269,422 km

• M1: 139,276 km (0.036 R)
• M2: 505,491 km (0.088 R)
• M3: 931,845 km (0.089 R)
• M4: 1,456,784 km (0.074 R)
• M5: 1,880,445 km (0.067 R)
• M6: 2,423,336 km (0.046 R)
• M7: 2,960,691 km (0.075 R)
• M8: 3,385,549 km (0.089 R)
• M9: 3,980,351 km (0.075 R)
• M10: 5,220,218 km (0.118 R)
• M11: 7,279,133 km (0.116 R)
• M12: 7,931,679 km (0.108 R)
• M13: 9,494,827 km (0.109 R)
• M14: 15,211,560 km (0.111 R)
• M15: 15,605,900 km (0.074 R)
• M16: 19,162,590 km (0.107 R)
• M17: 21,537,905 km (0.089 R)
• M18: 23,053,780 km (0.08 R)
• M19: 29,020,940 km (0.026 R)
• M20: 34,569,525 km (0.043 R)
• M21: 37,951,933 km (0.109 R)
• M22: 38,800,153 km (0.119 R)
• M23: 40,409,078 km (0.103 R)
• M24: 43,363,935 km (0.104 R)
• M25: 45,096,278 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.9

Radius: 7.2

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 9.87 AU - 10.09 AU

Year: 20357 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 67,269,422 km

• M1: 91,105 km (0.081 R)
• M2: 408,103 km (0.083 R)
• M3: 1,256,772 km (0.102 R)
• M4: 1,628,373 km (0.07 R)
• M5: 2,189,365 km (0.106 R)
• M6: 2,481,829 km (0.081 R)
• M7: 2,706,824 km (0.118 R)
• M8: 2,994,650 km (0.065 R)
• M9: 4,074,597 km (0.052 R)
• M10: 6,130,072 km (0.115 R)
• M11: 7,019,880 km (0.075 R)
• M12: 7,944,844 km (0.118 R)
• M13: 8,336,790 km (0.088 R)
• M14: 16,648,897 km (0.111 R)
• M15: 20,114,331 km (0.085 R)
• M16: 24,440,103 km (0.087 R)
• M17: 26,331,170 km (0.093 R)
• M18: 29,001,642 km (0.046 R)
• M19: 32,586,904 km (0.071 R)
• M20: 37,266,026 km (0.089 R)
• M21: 39,907,326 km (0.113 R)
• M22: 42,670,848 km (0.104 R)
• M23: 44,023,362 km (0.108 R)
• M24: 45,094,782 km (0.067 R)
• M25: 54,650,795 km (0.081 R)
• M26: 57,506,169 km (0.071 R)
• M27: 61,402,745 km (0.056 R)
• M28: 64,879,849 km (0.112 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 190 - 13,012 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit