🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.1

Radius: 12.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.91 AU - 0.97 AU

Year: 618 Days

Day: 5.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 66.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,383,580 km

• M1: 156,779 km (0.083 R)
• M2: 738,415 km (0.069 R)
• M3: 1,378,544 km (0.119 R)
• M4: 1,972,897 km (0.1 R)
• M5: 2,763,521 km (0.106 R)
• M6: 3,189,127 km (0.076 R)
• M7: 3,670,833 km (0.095 R)
• M8: 4,214,022 km (0.104 R)
• M9: 4,898,283 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.5

Radius: 13.7

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1 AU - 1.01 AU

Year: 678 Days

Day: 8.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,383,580 km

• M1: 170,392 km (0.073 R)
• M2: 715,676 km (0.113 R)
• M3: 1,159,084 km (0.081 R)
• M4: 1,612,964 km (0.031 R)
• M5: 2,050,538 km (0.08 R)
• M6: 3,183,592 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.9

Radius: 13.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.08 AU - 1.56 AU

Year: 1029 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,383,580 km

• M1: 164,258 km (0.058 R)
• M2: 614,847 km (0.093 R)
• M3: 1,366,128 km (0.082 R)
• M4: 1,859,801 km (0.106 R)
• M5: 2,342,104 km (0.104 R)
• M6: 3,479,497 km (0.074 R)
• M7: 4,014,459 km (0.061 R)
• M8: 4,569,916 km (0.055 R)
• M9: 5,010,781 km (0.049 R)
• M10: 6,271,292 km (0.071 R)
• M11: 8,208,286 km (0.081 R)
• M12: 8,836,148 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.6

Radius: 12.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.74 AU - 2 AU

Year: 1734 Days

Day: 11.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 54,383,580 km

• M1: 163,810 km (0.117 R)
• M2: 617,839 km (0.086 R)
• M3: 1,578,407 km (0.114 R)
• M4: 2,816,180 km (0.077 R)
• M5: 3,491,315 km (0.073 R)
• M6: 4,552,712 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656.3

Radius: 12.4

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.93 AU - 3.05 AU

Year: 2665 Days

Day: 11.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,383,580 km

• M1: 154,684 km (0.058 R)
• M2: 553,512 km (0.044 R)
• M3: 1,037,611 km (0.072 R)
• M4: 1,463,067 km (0.063 R)
• M5: 2,031,689 km (0.103 R)
• M6: 3,245,376 km (0.11 R)
• M7: 3,749,671 km (0.105 R)
• M8: 4,306,025 km (0.11 R)
• M9: 4,736,568 km (0.064 R)
• M10: 5,510,587 km (0.101 R)
• M11: 7,831,598 km (0.059 R)
• M12: 8,476,515 km (0.092 R)
• M13: 8,914,388 km (0.081 R)
• M14: 9,617,797 km (0.105 R)
• M15: 10,741,726 km (0.096 R)
• M16: 11,135,318 km (0.091 R)
• M17: 13,384,671 km (0.093 R)
• M18: 14,929,718 km (0.069 R)
• M19: 15,770,458 km (0.105 R)
• M20: 17,873,355 km (0.069 R)
• M21: 18,878,204 km (0.088 R)
• M22: 19,278,977 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.1

Radius: 12

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.14 AU - 5.04 AU

Year: 5610 Days

Day: 7.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,383,580 km

• M1: 149,448 km (0.084 R)
• M2: 706,700 km (0.063 R)
• M3: 1,081,593 km (0.058 R)
• M4: 1,466,807 km (0.116 R)
• M5: 1,973,794 km (0.075 R)
• M6: 2,511,898 km (0.106 R)
• M7: 4,737,914 km (0.113 R)
• M8: 5,680,680 km (0.091 R)
• M9: 6,072,776 km (0.108 R)
• M10: 6,844,551 km (0.086 R)
• M11: 8,198,861 km (0.11 R)
• M12: 8,583,327 km (0.105 R)
• M13: 9,639,937 km (0.064 R)
• M14: 10,112,218 km (0.119 R)
• M15: 10,599,907 km (0.107 R)
• M16: 11,384,548 km (0.068 R)
• M17: 11,864,009 km (0.054 R)
• M18: 12,914,635 km (0.119 R)
• M19: 14,466,413 km (0.076 R)
• M20: 15,373,874 km (0.093 R)
• M21: 15,841,667 km (0.069 R)
• M22: 16,379,321 km (0.085 R)
• M23: 16,867,459 km (0.113 R)
• M24: 20,772,562 km (0.101 R)
• M25: 21,417,030 km (0.09 R)
• M26: 23,277,279 km (0.119 R)
• M27: 24,443,843 km (0.102 R)
• M28: 25,001,395 km (0.037 R)
• M29: 27,316,870 km (0.076 R)
• M30: 29,591,955 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.3

Radius: 9.7

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.71 AU - 6.17 AU

Year: 8606 Days

Day: 8.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 109.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,383,580 km

• M1: 121,174 km (0.059 R)
• M2: 680,371 km (0.05 R)
• M3: 984,055 km (0.071 R)
• M4: 1,481,019 km (0.089 R)
• M5: 2,240,677 km (0.041 R)
• M6: 4,827,822 km (0.057 R)
• M7: 6,371,822 km (0.102 R)
• M8: 6,915,760 km (0.112 R)
• M9: 7,569,203 km (0.05 R)
• M10: 9,223,606 km (0.114 R)
• M11: 11,158,056 km (0.083 R)
• M12: 12,496,060 km (0.094 R)
• M13: 16,007,571 km (0.104 R)
• M14: 17,565,932 km (0.076 R)
• M15: 18,780,965 km (0.119 R)
• M16: 19,596,423 km (0.105 R)
• M17: 20,668,292 km (0.074 R)
• M18: 23,688,673 km (0.09 R)
• M19: 27,084,694 km (0.101 R)
• M20: 30,487,896 km (0.091 R)
• M21: 33,086,561 km (0.035 R)
• M22: 36,623,653 km (0.119 R)
• M23: 37,545,774 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 791.9

Radius: 3.5

Gravity: 64.64 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.43 AU - 8.03 AU

Year: 11842 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,383,580 km

• M1: 43,533 km (0.057 R)
• M2: 169,943 km (0.111 R)
• M3: 405,560 km (0.105 R)
• M4: 1,415,794 km (0.075 R)
• M5: 2,353,922 km (0.03 R)
• M6: 2,476,593 km (0.083 R)
• M7: 2,757,089 km (0.085 R)
• M8: 2,963,384 km (0.102 R)
• M9: 3,130,934 km (0.025 R)
• M10: 3,836,886 km (0.101 R)
• M11: 4,579,640 km (0.098 R)
• M12: 4,803,737 km (0.119 R)
• M13: 5,555,915 km (0.073 R)
• M14: 6,744,321 km (0.047 R)
• M15: 7,773,554 km (0.077 R)
• M16: 8,707,643 km (0.067 R)
• M17: 10,518,226 km (0.034 R)
• M18: 10,739,930 km (0.115 R)
• M19: 11,657,863 km (0.117 R)
• M20: 14,931,663 km (0.052 R)
• M21: 17,041,591 km (0.111 R)
• M22: 17,891,457 km (0.077 R)
• M23: 18,768,998 km (0.086 R)
• M24: 19,095,121 km (0.082 R)
• M25: 20,266,323 km (0.1 R)
• M26: 20,869,501 km (0.105 R)
• M27: 21,396,086 km (0.065 R)
• M28: 22,750,844 km (0.067 R)
• M29: 25,431,040 km (0.065 R)
• M30: 26,641,286 km (0.093 R)
• M31: 30,952,547 km (0.05 R)
• M32: 34,232,331 km (0.088 R)
• M33: 35,581,704 km (0.088 R)
• M34: 37,349,951 km (0.116 R)
• M35: 37,607,110 km (0.108 R)
• M36: 52,837,220 km (0.05 R)
• M37: 52,999,085 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.7

Radius: 4.5

Gravity: 16.43 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.71 AU - 8.33 AU

Year: 12615 Days

Day: 20.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,383,580 km

• M1: 58,642 km (0.097 R)
• M2: 2,157,351 km (0.088 R)
• M3: 3,196,009 km (0.078 R)
• M4: 4,249,178 km (0.081 R)
• M5: 4,705,152 km (0.081 R)
• M6: 5,781,659 km (0.12 R)
• M7: 6,341,005 km (0.105 R)
• M8: 8,672,338 km (0.062 R)
• M9: 10,325,245 km (0.045 R)
• M10: 13,507,790 km (0.118 R)
• M11: 13,688,205 km (0.097 R)
• M12: 14,996,439 km (0.06 R)
• M13: 15,385,094 km (0.062 R)
• M14: 15,647,937 km (0.117 R)
• M15: 16,867,609 km (0.101 R)
• M16: 17,146,908 km (0.068 R)
• M17: 18,295,520 km (0.115 R)
• M18: 18,739,228 km (0.041 R)
• M19: 22,381,786 km (0.095 R)
• M20: 28,986,532 km (0.036 R)
• M21: 29,893,694 km (0.098 R)
• M22: 32,512,704 km (0.074 R)
• M23: 34,378,339 km (0.078 R)
• M24: 41,153,477 km (0.068 R)
• M25: 41,532,857 km (0.045 R)
• M26: 42,684,910 km (0.085 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 413.8

Radius: 7.5

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.63 AU - 9.51 AU

Year: 15549 Days

Day: 17 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,383,580 km

• M1: 106,813 km (0.111 R)
• M2: 364,720 km (0.071 R)
• M3: 1,185,862 km (0.051 R)
• M4: 2,009,099 km (0.065 R)
• M5: 2,563,509 km (0.092 R)
• M6: 2,888,136 km (0.113 R)
• M7: 3,363,559 km (0.112 R)
• M8: 3,973,619 km (0.082 R)
• M9: 5,516,721 km (0.115 R)
• M10: 6,287,000 km (0.089 R)
• M11: 7,949,182 km (0.11 R)
• M12: 8,313,902 km (0.032 R)
• M13: 9,027,633 km (0.113 R)
• M14: 9,989,547 km (0.066 R)
• M15: 10,740,828 km (0.102 R)
• M16: 11,018,182 km (0.119 R)
• M17: 11,820,027 km (0.118 R)
• M18: 13,094,900 km (0.074 R)
• M19: 17,013,766 km (0.115 R)
• M20: 18,955,247 km (0.082 R)
• M21: 20,356,979 km (0.098 R)
• M22: 22,271,832 km (0.092 R)
• M23: 23,925,487 km (0.041 R)
• M24: 24,590,000 km (0.096 R)
• M25: 25,266,931 km (0.077 R)
• M26: 27,681,889 km (0.071 R)
• M27: 28,626,001 km (0.116 R)
• M28: 37,343,368 km (0.111 R)
• M29: 38,624,824 km (0.112 R)
• M30: 39,276,472 km (0.094 R)
• M31: 40,334,279 km (0.042 R)
• M32: 43,340,747 km (0.106 R)
• M33: 43,762,015 km (0.064 R)
• M34: 45,042,124 km (0.115 R)
• M35: 54,058,537 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 12,735 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit