🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.2

Radius: 11.1

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.5 AU - 0.72 AU

Year: 329 Days

Day: 9.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 68.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,186,559 km

• M1: 138,079 km (0.061 R)
• M2: 596,596 km (0.097 R)
• M3: 1,026,391 km (0.109 R)
• M4: 1,381,686 km (0.094 R)
• M5: 1,835,715 km (0.086 R)
• M6: 2,283,611 km (0.095 R)
• M7: 3,793,652 km (0.1 R)
• M8: 4,362,424 km (0.118 R)
• M9: 4,724,750 km (0.025 R)
• M10: 5,076,903 km (0.038 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.6

Radius: 9.7

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.87 AU - 1.25 AU

Year: 753 Days

Day: 12.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 85,186,559 km

• M1: 120,875 km (0.068 R)
• M2: 437,723 km (0.083 R)
• M3: 1,671,307 km (0.11 R)
• M4: 3,201,394 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 14.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.28 AU - 1.46 AU

Year: 1107 Days

Day: 14.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,186,559 km

• M1: 185,352 km (0.104 R)
• M2: 683,662 km (0.09 R)
• M3: 1,172,997 km (0.045 R)
• M4: 1,730,698 km (0.105 R)
• M5: 2,477,790 km (0.047 R)
• M6: 3,004,075 km (0.04 R)
• M7: 3,518,692 km (0.059 R)
• M8: 4,076,392 km (0.111 R)
• M9: 4,658,478 km (0.066 R)
• M10: 5,705,663 km (0.034 R)
• M11: 6,306,897 km (0.099 R)
• M12: 7,042,619 km (0.084 R)
• M13: 8,265,881 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94

Radius: 8.5

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.32 AU - 1.88 AU

Year: 1397 Days

Day: 12.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 46.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,186,559 km

• M1: 105,766 km (0.109 R)
• M2: 393,891 km (0.082 R)
• M3: 694,733 km (0.05 R)
• M4: 990,039 km (0.036 R)
• M5: 1,306,139 km (0.109 R)
• M6: 1,614,610 km (0.103 R)
• M7: 2,165,429 km (0.071 R)
• M8: 3,757,300 km (0.087 R)
• M9: 4,185,748 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.7

Radius: 14

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.12 AU - 2.24 AU

Year: 2222 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,186,559 km

• M1: 175,329 km (0.059 R)
• M2: 702,661 km (0.079 R)
• M3: 1,531,882 km (0.069 R)
• M4: 3,152,626 km (0.088 R)
• M5: 4,266,232 km (0.026 R)
• M6: 5,043,094 km (0.104 R)
• M7: 9,931,204 km (0.067 R)
• M8: 10,599,458 km (0.102 R)
• M9: 11,947,784 km (0.099 R)
• M10: 12,461,951 km (0.102 R)
• M11: 13,662,325 km (0.085 R)
• M12: 14,224,813 km (0.071 R)
• M13: 14,712,951 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.2

Radius: 8

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.15 AU - 3.23 AU

Year: 3933 Days

Day: 13.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,186,559 km

• M1: 137,331 km (0.107 R)
• M2: 398,678 km (0.111 R)
• M3: 688,150 km (0.075 R)
• M4: 1,309,729 km (0.061 R)
• M5: 1,694,345 km (0.039 R)
• M6: 2,073,277 km (0.106 R)
• M7: 2,433,808 km (0.092 R)
• M8: 3,104,904 km (0.087 R)
• M9: 3,502,685 km (0.059 R)
• M10: 4,099,580 km (0.069 R)
• M11: 4,422,562 km (0.113 R)
• M12: 5,676,342 km (0.1 R)
• M13: 6,078,311 km (0.099 R)
• M14: 7,749,469 km (0.086 R)
• M15: 9,152,697 km (0.091 R)
• M16: 9,781,606 km (0.103 R)
• M17: 10,048,788 km (0.065 R)
• M18: 11,458,449 km (0.054 R)
• M19: 11,884,354 km (0.078 R)
• M20: 12,498,453 km (0.067 R)
• M21: 13,179,572 km (0.045 R)
• M22: 14,914,908 km (0.114 R)
• M23: 15,994,855 km (0.054 R)
• M24: 16,797,447 km (0.045 R)
• M25: 17,347,369 km (0.071 R)
• M26: 18,950,759 km (0.093 R)
• M27: 20,713,172 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.2

Radius: 13.7

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.04 AU - 4.82 AU

Year: 5378 Days

Day: 6.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 85,186,559 km

• M1: 170,542 km (0.089 R)
• M2: 634,445 km (0.098 R)
• M3: 1,065,137 km (0.03 R)
• M4: 1,652,009 km (0.113 R)
• M5: 2,269,998 km (0.045 R)
• M6: 2,941,693 km (0.077 R)
• M7: 4,221,054 km (0.03 R)
• M8: 4,876,143 km (0.111 R)
• M9: 5,658,839 km (0.106 R)
• M10: 6,423,733 km (0.102 R)
• M11: 8,680,117 km (0.104 R)
• M12: 9,920,433 km (0.042 R)
• M13: 10,513,439 km (0.079 R)
• M14: 11,130,082 km (0.096 R)
• M15: 11,821,074 km (0.104 R)
• M16: 12,804,381 km (0.074 R)
• M17: 15,052,239 km (0.077 R)
• M18: 16,458,010 km (0.082 R)
• M19: 18,900,793 km (0.065 R)
• M20: 19,388,782 km (0.119 R)
• M21: 20,244,781 km (0.077 R)
• M22: 22,109,369 km (0.082 R)
• M23: 23,202,181 km (0.067 R)
• M24: 29,213,472 km (0.089 R)
• M25: 32,675,915 km (0.104 R)
• M26: 35,026,097 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.6

Radius: 13.1

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.66 AU - 4.22 AU

Year: 5398 Days

Day: 10.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,186,559 km

• M1: 162,912 km (0.054 R)
• M2: 678,875 km (0.068 R)
• M3: 1,129,614 km (0.094 R)
• M4: 1,557,912 km (0.063 R)
• M5: 2,169,169 km (0.091 R)
• M6: 2,640,253 km (0.101 R)
• M7: 3,315,837 km (0.1 R)
• M8: 5,560,104 km (0.101 R)
• M9: 9,877,050 km (0.119 R)
• M10: 17,472,134 km (0.049 R)
• M11: 19,250,404 km (0.097 R)
• M12: 19,846,850 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.1

Radius: 6.8

Gravity: 12.63 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.84 AU - 6.92 AU

Year: 9842 Days

Day: 16.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,186,559 km

• M1: 84,523 km (0.088 R)
• M2: 305,030 km (0.061 R)
• M3: 536,907 km (0.111 R)
• M4: 777,610 km (0.082 R)
• M5: 1,038,658 km (0.111 R)
• M6: 1,308,682 km (0.109 R)
• M7: 1,683,126 km (0.106 R)
• M8: 1,927,868 km (0.116 R)
• M9: 2,414,061 km (0.057 R)
• M10: 2,978,942 km (0.042 R)
• M11: 3,754,009 km (0.102 R)
• M12: 4,397,130 km (0.08 R)
• M13: 4,986,995 km (0.057 R)
• M14: 6,144,733 km (0.09 R)
• M15: 7,717,006 km (0.086 R)
• M16: 8,573,753 km (0.11 R)
• M17: 9,975,635 km (0.119 R)
• M18: 10,628,181 km (0.116 R)
• M19: 12,931,240 km (0.119 R)
• M20: 18,946,122 km (0.079 R)
• M21: 20,979,306 km (0.098 R)
• M22: 21,881,830 km (0.107 R)
• M23: 25,658,428 km (0.072 R)
• M24: 28,636,024 km (0.119 R)
• M25: 31,304,701 km (0.085 R)
• M26: 32,373,727 km (0.089 R)
• M27: 32,699,103 km (0.099 R)
• M28: 35,152,657 km (0.104 R)
• M29: 35,496,433 km (0.089 R)
• M30: 36,541,374 km (0.084 R)
• M31: 37,249,271 km (0.047 R)
• M32: 37,606,511 km (0.112 R)
• M33: 38,328,171 km (0.103 R)
• M34: 40,422,691 km (0.099 R)
• M35: 42,722,310 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.4

Radius: 3.8

Gravity: 64.57 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 7.46 AU - 11.6 AU

Year: 20307 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 85,186,559 km

• M1: 143,016 km (0.119 R)
• M2: 465,549 km (0.036 R)
• M3: 649,853 km (0.09 R)
• M4: 881,580 km (0.117 R)
• M5: 1,029,981 km (0.09 R)
• M6: 1,152,203 km (0.113 R)
• M7: 1,361,640 km (0.119 R)
• M8: 1,631,664 km (0.104 R)
• M9: 1,837,211 km (0.082 R)
• M10: 2,785,064 km (0.082 R)
• M11: 3,079,173 km (0.117 R)
• M12: 3,219,496 km (0.099 R)
• M13: 3,453,018 km (0.085 R)
• M14: 3,697,611 km (0.096 R)
• M15: 3,921,110 km (0.102 R)
• M16: 4,255,760 km (0.088 R)
• M17: 8,718,414 km (0.101 R)
• M18: 8,886,712 km (0.066 R)
• M19: 10,562,507 km (0.115 R)
• M20: 12,296,945 km (0.104 R)
• M21: 13,678,332 km (0.11 R)
• M22: 13,905,421 km (0.077 R)
• M23: 15,814,440 km (0.111 R)
• M24: 16,402,509 km (0.113 R)
• M25: 16,831,406 km (0.087 R)
• M26: 18,345,486 km (0.043 R)
• M27: 22,470,797 km (0.086 R)
• M28: 25,198,116 km (0.062 R)
• M29: 26,465,060 km (0.097 R)
• M30: 29,500,999 km (0.107 R)
• M31: 32,761,186 km (0.08 R)
• M32: 33,440,809 km (0.115 R)
• M33: 36,980,594 km (0.087 R)
• M34: 37,127,050 km (0.092 R)
• M35: 37,865,764 km (0.108 R)
• M36: 42,665,163 km (0.117 R)
• M37: 45,461,596 km (0.112 R)
• M38: 49,613,835 km (0.093 R)
• M39: 50,509,627 km (0.107 R)
• M40: 55,533,722 km (0.086 R)
• M41: 57,475,951 km (0.109 R)
• M42: 57,672,672 km (0.055 R)
• M43: 58,662,711 km (0.038 R)
• M44: 62,736,560 km (0.1 R)
• M45: 65,055,476 km (0.112 R)
• M46: 66,994,863 km (0.066 R)
• M47: 72,813,323 km (0.058 R)
• M48: 84,676,733 km (0.082 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 16,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit