🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.4

Radius: 8.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.62 AU - 0.88 AU

Year: 433 Days

Day: 8.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,821,344 km

• M1: 108,758 km (0.104 R)
• M2: 420,819 km (0.074 R)
• M3: 786,735 km (0.109 R)
• M4: 1,262,008 km (0.11 R)
• M5: 1,565,991 km (0.066 R)
• M6: 1,843,046 km (0.096 R)
• M7: 2,423,037 km (0.105 R)
• M8: 2,861,508 km (0.102 R)
• M9: 3,478,001 km (0.081 R)
• M10: 3,784,078 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.9

Radius: 8.1

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.91 AU - 1.19 AU

Year: 717 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,821,344 km

• M1: 100,979 km (0.117 R)
• M2: 390,600 km (0.118 R)
• M3: 807,679 km (0.066 R)
• M4: 1,412,353 km (0.064 R)
• M5: 2,071,631 km (0.091 R)
• M6: 2,608,388 km (0.084 R)
• M7: 2,909,828 km (0.115 R)
• M8: 3,222,039 km (0.075 R)
• M9: 3,637,173 km (0.095 R)
• M10: 4,622,275 km (0.04 R)
• M11: 5,151,103 km (0.095 R)
• M12: 5,830,727 km (0.092 R)
• M13: 6,508,405 km (0.083 R)
• M14: 6,835,127 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.8

Radius: 9.1

Gravity: 8.87 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.12 AU - 1.14 AU

Year: 801 Days

Day: 14.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,821,344 km

• M1: 113,096 km (0.066 R)
• M2: 492,626 km (0.081 R)
• M3: 780,302 km (0.113 R)
• M4: 1,694,495 km (0.118 R)
• M5: 2,058,168 km (0.047 R)
• M6: 2,529,401 km (0.069 R)
• M7: 2,894,868 km (0.101 R)
• M8: 3,188,529 km (0.118 R)
• M9: 3,530,510 km (0.074 R)
• M10: 3,896,875 km (0.075 R)
• M11: 4,240,202 km (0.061 R)
• M12: 5,023,796 km (0.106 R)
• M13: 5,393,302 km (0.103 R)
• M14: 5,880,692 km (0.115 R)
• M15: 6,765,414 km (0.073 R)
• M16: 7,356,176 km (0.071 R)
• M17: 8,005,431 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 12.2

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.96 AU - 1.36 AU

Year: 833 Days

Day: 7.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,821,344 km

• M1: 151,692 km (0.097 R)
• M2: 563,535 km (0.062 R)
• M3: 1,067,082 km (0.056 R)
• M4: 1,581,100 km (0.116 R)
• M5: 2,300,366 km (0.116 R)
• M6: 3,109,242 km (0.099 R)
• M7: 4,693,633 km (0.118 R)
• M8: 5,363,832 km (0.076 R)
• M9: 7,666,292 km (0.117 R)
• M10: 8,941,764 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 8.6

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.03 AU - 1.43 AU

Year: 910 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,821,344 km

• M1: 108,758 km (0.088 R)
• M2: 389,553 km (0.114 R)
• M3: 685,457 km (0.051 R)
• M4: 955,182 km (0.079 R)
• M5: 1,225,506 km (0.098 R)
• M6: 1,945,221 km (0.05 R)
• M7: 2,504,119 km (0.048 R)
• M8: 2,862,555 km (0.093 R)
• M9: 3,669,337 km (0.101 R)
• M10: 4,652,494 km (0.105 R)
• M11: 5,161,575 km (0.12 R)
• M12: 5,801,854 km (0.077 R)
• M13: 6,494,044 km (0.11 R)
• M14: 7,373,529 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 8.6

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.2 AU - 1.38 AU

Year: 977 Days

Day: 8.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,821,344 km

• M1: 106,962 km (0.106 R)
• M2: 381,624 km (0.105 R)
• M3: 717,621 km (0.115 R)
• M4: 1,098,497 km (0.065 R)
• M5: 1,437,935 km (0.115 R)
• M6: 1,815,520 km (0.095 R)
• M7: 2,304,705 km (0.111 R)
• M8: 2,585,949 km (0.111 R)
• M9: 2,923,142 km (0.087 R)
• M10: 3,289,508 km (0.067 R)
• M11: 4,156,876 km (0.113 R)
• M12: 4,819,894 km (0.096 R)
• M13: 5,989,151 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.1

Radius: 12.2

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.71 AU - 1.83 AU

Year: 1570 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,821,344 km

• M1: 151,692 km (0.068 R)
• M2: 585,975 km (0.091 R)
• M3: 1,048,980 km (0.114 R)
• M4: 1,474,437 km (0.104 R)
• M5: 1,864,139 km (0.097 R)
• M6: 2,398,951 km (0.072 R)
• M7: 4,369,604 km (0.11 R)
• M8: 6,637,209 km (0.113 R)
• M9: 7,865,557 km (0.082 R)
• M10: 9,698,729 km (0.104 R)
• M11: 10,415,453 km (0.037 R)
• M12: 12,224,988 km (0.096 R)
• M13: 13,061,390 km (0.047 R)
• M14: 13,935,640 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937

Radius: 7.9

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 6.59 AU - 10.11 AU

Year: 16090 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 158 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,821,344 km

• M1: 98,435 km (0.045 R)
• M2: 344,524 km (0.112 R)
• M3: 929,302 km (0.1 R)
• M4: 1,566,589 km (0.077 R)
• M5: 2,127,880 km (0.093 R)
• M6: 2,400,597 km (0.07 R)
• M7: 2,841,312 km (0.101 R)
• M8: 3,307,759 km (0.093 R)
• M9: 4,360,180 km (0.093 R)
• M10: 5,388,964 km (0.088 R)
• M11: 5,859,001 km (0.066 R)
• M12: 6,441,535 km (0.05 R)
• M13: 7,770,712 km (0.076 R)
• M14: 8,629,852 km (0.116 R)
• M15: 10,064,346 km (0.105 R)
• M16: 10,476,339 km (0.102 R)
• M17: 11,146,388 km (0.11 R)
• M18: 11,587,402 km (0.118 R)
• M19: 12,775,060 km (0.053 R)
• M20: 14,855,966 km (0.044 R)
• M21: 17,571,766 km (0.077 R)
• M22: 20,414,574 km (0.119 R)
• M23: 22,438,334 km (0.112 R)
• M24: 23,345,197 km (0.112 R)
• M25: 28,482,238 km (0.071 R)
• M26: 29,187,891 km (0.107 R)
• M27: 29,905,063 km (0.091 R)
• M28: 32,001,229 km (0.076 R)
• M29: 37,175,968 km (0.091 R)
• M30: 38,874,054 km (0.077 R)
• M31: 40,180,941 km (0.098 R)
• M32: 41,217,505 km (0.025 R)
• M33: 43,964,720 km (0.111 R)
• M34: 48,643,543 km (0.103 R)
• M35: 49,990,522 km (0.066 R)
• M36: 50,844,726 km (0.104 R)
• M37: 53,288,557 km (0.051 R)
• M38: 69,403,389 km (0.112 R)
• M39: 72,624,680 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657

Radius: 7.1

Gravity: 13.03 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.73 AU - 9.37 AU

Year: 18155 Days

Day: 22.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 69,821,344 km

• M1: 91,105 km (0.116 R)
• M2: 1,147,116 km (0.088 R)
• M3: 1,630,617 km (0.113 R)
• M4: 2,412,266 km (0.113 R)
• M5: 3,074,984 km (0.073 R)
• M6: 4,551,366 km (0.065 R)
• M7: 6,114,364 km (0.11 R)
• M8: 7,761,886 km (0.108 R)
• M9: 9,910,709 km (0.098 R)
• M10: 11,524,721 km (0.049 R)
• M11: 12,230,075 km (0.102 R)
• M12: 22,278,265 km (0.111 R)
• M13: 25,986,646 km (0.115 R)
• M14: 27,308,792 km (0.115 R)
• M15: 29,729,734 km (0.03 R)
• M16: 30,688,358 km (0.073 R)
• M17: 31,297,969 km (0.092 R)
• M18: 35,391,715 km (0.104 R)
• M19: 43,849,380 km (0.117 R)
• M20: 49,286,963 km (0.118 R)
• M21: 53,034,988 km (0.097 R)
• M22: 55,157,333 km (0.088 R)
• M23: 59,382,127 km (0.054 R)
• M24: 64,611,171 km (0.119 R)
• M25: 65,210,460 km (0.102 R)
• M26: 68,676,493 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.2

Radius: 6.5

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 7.37 AU - 11.77 AU

Year: 19742 Days

Day: 20.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,821,344 km

• M1: 80,783 km (0.104 R)
• M2: 306,975 km (0.091 R)
• M3: 630,405 km (0.083 R)
• M4: 1,515,426 km (0.107 R)
• M5: 2,138,502 km (0.068 R)
• M6: 2,387,582 km (0.112 R)
• M7: 2,821,865 km (0.083 R)
• M8: 3,200,946 km (0.09 R)
• M9: 3,472,167 km (0.112 R)
• M10: 4,029,718 km (0.108 R)
• M11: 4,748,087 km (0.109 R)
• M12: 6,693,607 km (0.085 R)
• M13: 7,092,884 km (0.045 R)
• M14: 11,001,577 km (0.117 R)
• M15: 11,308,253 km (0.061 R)
• M16: 17,436,380 km (0.118 R)
• M17: 17,937,682 km (0.092 R)
• M18: 19,233,349 km (0.085 R)
• M19: 20,130,937 km (0.058 R)
• M20: 22,496,827 km (0.085 R)
• M21: 24,726,733 km (0.097 R)
• M22: 28,341,317 km (0.091 R)
• M23: 32,922,452 km (0.056 R)
• M24: 37,695,671 km (0.103 R)
• M25: 38,815,561 km (0.068 R)
• M26: 39,813,529 km (0.082 R)
• M27: 44,749,959 km (0.11 R)
• M28: 47,606,979 km (0.054 R)
• M29: 49,744,583 km (0.042 R)
• M30: 51,431,748 km (0.109 R)
• M31: 53,506,371 km (0.072 R)
• M32: 54,741,900 km (0.109 R)
• M33: 57,086,697 km (0.088 R)
• M34: 69,612,377 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 16,595 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit