🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.4

Radius: 10.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.98 AU - 1 AU

Year: 636 Days

Day: 11.7 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,315,143 km

• M1: 134,339 km (0.074 R)
• M2: 477,516 km (0.098 R)
• M3: 1,131,708 km (0.107 R)
• M4: 1,664,725 km (0.118 R)
• M5: 2,126,983 km (0.092 R)
• M6: 2,600,759 km (0.109 R)
• M7: 4,266,382 km (0.072 R)
• M8: 4,831,114 km (0.049 R)
• M9: 5,549,632 km (0.106 R)
• M10: 6,849,488 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.4

Radius: 9.1

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.99 AU - 1.27 AU

Year: 776 Days

Day: 8.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,315,143 km

• M1: 113,246 km (0.117 R)
• M2: 398,529 km (0.118 R)
• M3: 713,283 km (0.089 R)
• M4: 1,414,298 km (0.081 R)
• M5: 1,721,572 km (0.052 R)
• M6: 2,363,646 km (0.094 R)
• M7: 2,825,605 km (0.077 R)
• M8: 3,197,355 km (0.044 R)
• M9: 3,572,547 km (0.026 R)
• M10: 4,182,607 km (0.117 R)
• M11: 4,701,861 km (0.085 R)
• M12: 5,728,551 km (0.028 R)
• M13: 6,199,785 km (0.063 R)
• M14: 6,808,049 km (0.075 R)
• M15: 8,244,937 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.6

Radius: 8.1

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.19 AU - 2.23 AU

Year: 2121 Days

Day: 6.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,315,143 km

• M1: 101,427 km (0.096 R)
• M2: 371,900 km (0.113 R)
• M3: 1,356,404 km (0.105 R)
• M4: 1,940,584 km (0.041 R)
• M5: 3,245,675 km (0.094 R)
• M6: 3,694,319 km (0.092 R)
• M7: 3,982,894 km (0.044 R)
• M8: 4,307,521 km (0.027 R)
• M9: 5,914,202 km (0.058 R)
• M10: 6,283,559 km (0.101 R)
• M11: 6,981,284 km (0.107 R)
• M12: 7,606,304 km (0.08 R)
• M13: 10,146,476 km (0.081 R)
• M14: 11,026,709 km (0.053 R)
• M15: 11,384,697 km (0.062 R)
• M16: 11,668,484 km (0.105 R)
• M17: 12,082,122 km (0.117 R)
• M18: 14,298,415 km (0.077 R)
• M19: 16,205,339 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.9

Radius: 13.1

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.08 AU - 3.44 AU

Year: 3801 Days

Day: 8 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 37,315,143 km

• M1: 163,211 km (0.104 R)
• M2: 583,581 km (0.029 R)
• M3: 1,543,102 km (0.081 R)
• M4: 2,515,787 km (0.109 R)
• M5: 3,028,160 km (0.078 R)
• M6: 3,906,449 km (0.11 R)
• M7: 4,382,320 km (0.087 R)
• M8: 5,025,441 km (0.111 R)
• M9: 7,172,769 km (0.12 R)
• M10: 10,122,690 km (0.076 R)
• M11: 10,982,129 km (0.098 R)
• M12: 11,566,459 km (0.1 R)
• M13: 12,895,636 km (0.084 R)
• M14: 13,648,263 km (0.098 R)
• M15: 15,186,577 km (0.09 R)
• M16: 16,197,859 km (0.117 R)
• M17: 16,837,540 km (0.114 R)
• M18: 18,354,462 km (0.033 R)
• M19: 18,858,457 km (0.03 R)
• M20: 19,894,572 km (0.12 R)
• M21: 21,104,968 km (0.089 R)
• M22: 21,938,827 km (0.042 R)
• M23: 22,722,421 km (0.03 R)
• M24: 25,340,234 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 14.4

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.78 AU - 4.88 AU

Year: 5818 Days

Day: 14.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 37,315,143 km

• M1: 199,414 km (0.119 R)
• M2: 716,275 km (0.086 R)
• M3: 1,619,547 km (0.105 R)
• M4: 2,208,065 km (0.026 R)
• M5: 3,037,585 km (0.032 R)
• M6: 4,502,597 km (0.107 R)
• M7: 5,348,124 km (0.111 R)
• M8: 5,936,941 km (0.111 R)
• M9: 6,883,447 km (0.11 R)
• M10: 12,645,508 km (0.114 R)
• M11: 16,732,821 km (0.077 R)
• M12: 21,705,454 km (0.066 R)
• M13: 23,047,198 km (0.072 R)
• M14: 26,421,677 km (0.097 R)
• M15: 31,880,802 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.1

Radius: 7.4

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.57 AU - 6.47 AU

Year: 9537 Days

Day: 23.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,315,143 km

• M1: 93,798 km (0.111 R)
• M2: 431,440 km (0.11 R)
• M3: 842,834 km (0.051 R)
• M4: 1,225,805 km (0.115 R)
• M5: 1,634,806 km (0.056 R)
• M6: 1,950,457 km (0.043 R)
• M7: 2,217,938 km (0.071 R)
• M8: 2,685,431 km (0.043 R)
• M9: 3,448,231 km (0.084 R)
• M10: 4,129,350 km (0.043 R)
• M11: 4,777,558 km (0.104 R)
• M12: 7,566,062 km (0.088 R)
• M13: 9,869,869 km (0.096 R)
• M14: 11,552,845 km (0.076 R)
• M15: 16,960,359 km (0.113 R)
• M16: 18,684,325 km (0.115 R)
• M17: 30,294,018 km (0.108 R)
• M18: 36,637,267 km (0.081 R)
• M19: 37,222,344 km (0.088 R)
• M20: 37,813,555 km (0.033 R)
• M21: 41,493,213 km (0.085 R)
• M22: 41,746,632 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 134.6

Radius: 6.1

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.55 AU - 9.09 AU

Year: 15495 Days

Day: 16.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 37,315,143 km

• M1: 75,996 km (0.082 R)
• M2: 559,197 km (0.091 R)
• M3: 841,937 km (0.039 R)
• M4: 1,091,466 km (0.049 R)
• M5: 1,307,635 km (0.102 R)
• M6: 1,539,512 km (0.079 R)
• M7: 1,755,980 km (0.11 R)
• M8: 2,151,666 km (0.105 R)
• M9: 2,459,239 km (0.109 R)
• M10: 2,894,420 km (0.085 R)
• M11: 4,016,703 km (0.035 R)
• M12: 4,758,708 km (0.097 R)
• M13: 5,044,739 km (0.113 R)
• M14: 9,255,022 km (0.031 R)
• M15: 11,176,008 km (0.083 R)
• M16: 13,975,283 km (0.047 R)
• M17: 16,166,294 km (0.04 R)
• M18: 16,552,406 km (0.116 R)
• M19: 20,161,006 km (0.081 R)
• M20: 20,383,907 km (0.093 R)
• M21: 22,305,791 km (0.093 R)
• M22: 23,188,418 km (0.112 R)
• M23: 24,767,573 km (0.114 R)
• M24: 29,073,598 km (0.098 R)
• M25: 30,029,529 km (0.072 R)
• M26: 30,907,668 km (0.068 R)
• M27: 36,648,786 km (0.104 R)
• M28: 37,203,494 km (0.099 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 19,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit