🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.6

Radius: 12.5

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.44 AU - 0.64 AU

Year: 265 Days

Day: 9.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,936,984 km

• M1: 155,582 km (0.118 R)
• M2: 556,803 km (0.091 R)
• M3: 1,000,660 km (0.081 R)
• M4: 1,537,567 km (0.068 R)
• M5: 1,995,037 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.3

Radius: 9.9

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.48 AU - 0.62 AU

Year: 272 Days

Day: 8.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,936,984 km

• M1: 123,119 km (0.047 R)
• M2: 527,033 km (0.119 R)
• M3: 918,980 km (0.116 R)
• M4: 1,249,142 km (0.105 R)
• M5: 1,584,391 km (0.096 R)
• M6: 2,018,075 km (0.083 R)
• M7: 2,529,850 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 9.1

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.55 AU - 0.63 AU

Year: 302 Days

Day: 12.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,936,984 km

• M1: 113,096 km (0.116 R)
• M2: 408,851 km (0.054 R)
• M3: 727,345 km (0.071 R)
• M4: 1,078,451 km (0.103 R)
• M5: 1,412,353 km (0.094 R)
• M6: 1,994,588 km (0.074 R)
• M7: 2,372,024 km (0.105 R)
• M8: 2,748,412 km (0.096 R)
• M9: 3,038,333 km (0.11 R)
• M10: 3,860,672 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.5

Radius: 8.4

Gravity: 10.82 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.91 AU - 1.15 AU

Year: 697 Days

Day: 12 Hours

Environment

Temp: -186 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,936,984 km

• M1: 104,569 km (0.066 R)
• M2: 414,237 km (0.088 R)
• M3: 698,622 km (0.105 R)
• M4: 1,413,550 km (0.102 R)
• M5: 1,882,240 km (0.092 R)
• M6: 2,202,978 km (0.093 R)
• M7: 2,730,012 km (0.058 R)
• M8: 3,067,355 km (0.078 R)
• M9: 3,542,029 km (0.116 R)
• M10: 4,064,724 km (0.075 R)
• M11: 4,344,921 km (0.116 R)
• M12: 4,721,758 km (0.098 R)
• M13: 5,209,895 km (0.077 R)
• M14: 5,616,652 km (0.096 R)
• M15: 7,164,691 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.8

Radius: 8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.99 AU - 1.57 AU

Year: 966 Days

Day: 7.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,936,984 km

• M1: 99,782 km (0.028 R)
• M2: 385,514 km (0.044 R)
• M3: 746,194 km (0.097 R)
• M4: 1,064,688 km (0.092 R)
• M5: 1,319,603 km (0.051 R)
• M6: 1,724,415 km (0.097 R)
• M7: 3,016,940 km (0.037 R)
• M8: 3,551,005 km (0.108 R)
• M9: 4,177,969 km (0.1 R)
• M10: 4,635,589 km (0.091 R)
• M11: 6,676,703 km (0.094 R)
• M12: 8,364,615 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.7

Radius: 12

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.17 AU - 1.47 AU

Year: 1011 Days

Day: 13.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,936,984 km

• M1: 149,299 km (0.119 R)
• M2: 599,588 km (0.111 R)
• M3: 1,407,267 km (0.082 R)
• M4: 2,013,139 km (0.084 R)
• M5: 3,078,425 km (0.116 R)
• M6: 3,767,024 km (0.103 R)
• M7: 4,538,799 km (0.079 R)
• M8: 5,510,438 km (0.104 R)
• M9: 6,549,395 km (0.1 R)
• M10: 7,788,813 km (0.073 R)
• M11: 9,013,421 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.9

Radius: 8.1

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.4 AU - 2.18 AU

Year: 1597 Days

Day: 7.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,936,984 km

• M1: 100,679 km (0.029 R)
• M2: 430,991 km (0.099 R)
• M3: 693,087 km (0.094 R)
• M4: 1,005,746 km (0.04 R)
• M5: 1,429,408 km (0.118 R)
• M6: 1,989,951 km (0.08 R)
• M7: 2,689,171 km (0.108 R)
• M8: 3,037,286 km (0.038 R)
• M9: 3,415,319 km (0.08 R)
• M10: 4,940,619 km (0.091 R)
• M11: 5,887,424 km (0.07 R)
• M12: 7,235,002 km (0.101 R)
• M13: 7,554,393 km (0.073 R)
• M14: 8,023,083 km (0.109 R)
• M15: 8,569,564 km (0.1 R)
• M16: 9,768,891 km (0.107 R)
• M17: 10,392,115 km (0.096 R)
• M18: 11,358,518 km (0.118 R)
• M19: 12,383,562 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.2

Radius: 15

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.91 AU - 2.45 AU

Year: 2146 Days

Day: 10.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,936,984 km

• M1: 187,147 km (0.087 R)
• M2: 732,282 km (0.113 R)
• M3: 1,269,787 km (0.038 R)
• M4: 1,894,507 km (0.088 R)
• M5: 2,536,581 km (0.114 R)
• M6: 3,004,374 km (0.097 R)
• M7: 4,100,178 km (0.029 R)
• M8: 4,873,151 km (0.076 R)
• M9: 6,021,763 km (0.104 R)
• M10: 6,840,063 km (0.104 R)
• M11: 7,844,613 km (0.106 R)
• M12: 8,397,676 km (0.106 R)
• M13: 9,007,886 km (0.113 R)
• M14: 10,181,182 km (0.084 R)
• M15: 11,491,061 km (0.093 R)
• M16: 12,244,436 km (0.115 R)
• M17: 13,313,612 km (0.12 R)
• M18: 14,060,405 km (0.052 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 13.3

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.44 AU - 4.74 AU

Year: 5516 Days

Day: 12.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 68,936,984 km

• M1: 170,392 km (0.027 R)
• M2: 888,312 km (0.065 R)
• M3: 1,444,517 km (0.12 R)
• M4: 1,926,521 km (0.077 R)
• M5: 2,396,109 km (0.1 R)
• M6: 3,288,311 km (0.097 R)
• M7: 3,942,652 km (0.108 R)
• M8: 4,601,780 km (0.073 R)
• M9: 5,043,393 km (0.091 R)
• M10: 5,853,166 km (0.091 R)
• M11: 6,541,466 km (0.104 R)
• M12: 7,065,807 km (0.058 R)
• M13: 7,580,423 km (0.083 R)
• M14: 8,893,145 km (0.1 R)
• M15: 9,581,893 km (0.044 R)
• M16: 10,213,346 km (0.074 R)
• M17: 10,872,624 km (0.09 R)
• M18: 11,660,556 km (0.083 R)
• M19: 12,805,877 km (0.082 R)
• M20: 13,240,459 km (0.107 R)
• M21: 13,797,561 km (0.044 R)
• M22: 15,809,653 km (0.046 R)
• M23: 17,343,180 km (0.062 R)
• M24: 19,898,611 km (0.097 R)
• M25: 20,335,587 km (0.06 R)
• M26: 24,229,619 km (0.106 R)
• M27: 25,318,243 km (0.094 R)
• M28: 32,949,380 km (0.117 R)
• M29: 35,231,047 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 918.9

Radius: 3.6

Gravity: 70.9 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 6.65 AU - 9.21 AU

Year: 14892 Days

Day: 19.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 68,936,984 km

• M1: 46,824 km (0.103 R)
• M2: 221,854 km (0.055 R)
• M3: 629,657 km (0.092 R)
• M4: 1,147,266 km (0.056 R)
• M5: 1,477,578 km (0.068 R)
• M6: 1,777,671 km (0.06 R)
• M7: 2,498,135 km (0.097 R)
• M8: 2,681,392 km (0.113 R)
• M9: 3,619,969 km (0.098 R)
• M10: 3,976,162 km (0.12 R)
• M11: 6,971,560 km (0.073 R)
• M12: 7,381,608 km (0.081 R)
• M13: 7,711,471 km (0.113 R)
• M14: 9,129,808 km (0.103 R)
• M15: 9,291,374 km (0.107 R)
• M16: 9,509,787 km (0.092 R)
• M17: 10,128,075 km (0.103 R)
• M18: 10,832,681 km (0.056 R)
• M19: 11,506,769 km (0.117 R)
• M20: 12,470,329 km (0.045 R)
• M21: 13,979,023 km (0.087 R)
• M22: 14,265,803 km (0.108 R)
• M23: 15,605,152 km (0.026 R)
• M24: 16,543,281 km (0.101 R)
• M25: 16,783,535 km (0.071 R)
• M26: 17,107,564 km (0.099 R)
• M27: 17,684,413 km (0.04 R)
• M28: 19,493,051 km (0.073 R)
• M29: 20,213,365 km (0.094 R)
• M30: 23,472,804 km (0.068 R)
• M31: 24,806,319 km (0.065 R)
• M32: 25,651,696 km (0.108 R)
• M33: 29,108,604 km (0.082 R)
• M34: 29,225,141 km (0.075 R)
• M35: 39,721,825 km (0.104 R)
• M36: 39,865,140 km (0.049 R)
• M37: 46,673,488 km (0.038 R)
• M38: 48,448,168 km (0.061 R)
• M39: 58,368,302 km (0.083 R)
• M40: 59,297,903 km (0.119 R)
• M41: 60,237,527 km (0.099 R)
• M42: 62,146,247 km (0.08 R)
• M43: 67,093,598 km (0.083 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: 267 - 14,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit