🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.8

Radius: 14.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.81 AU - 1.01 AU

Year: 569 Days

Day: 8.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 96,911,612 km

• M1: 181,612 km (0.094 R)
• M2: 698,772 km (0.089 R)
• M3: 1,199,177 km (0.118 R)
• M4: 1,931,309 km (0.075 R)
• M5: 2,903,994 km (0.086 R)
• M6: 3,780,189 km (0.112 R)
• M7: 4,712,183 km (0.093 R)
• M8: 5,463,015 km (0.059 R)
• M9: 6,000,520 km (0.087 R)
• M10: 6,614,320 km (0.087 R)
• M11: 7,118,166 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 640.7

Radius: 11.7

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.81 AU - 1.09 AU

Year: 607 Days

Day: 14.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 96,911,612 km

• M1: 145,559 km (0.076 R)
• M2: 613,501 km (0.073 R)
• M3: 1,022,202 km (0.041 R)
• M4: 1,480,869 km (0.116 R)
• M5: 1,878,351 km (0.094 R)
• M6: 2,377,409 km (0.063 R)
• M7: 2,839,218 km (0.048 R)
• M8: 3,224,582 km (0.095 R)
• M9: 4,292,711 km (0.039 R)
• M10: 4,949,745 km (0.039 R)
• M11: 5,636,698 km (0.106 R)
• M12: 6,173,755 km (0.119 R)
• M13: 7,158,707 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.9

Radius: 13.1

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.05 AU - 1.09 AU

Year: 726 Days

Day: 9.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,911,612 km

• M1: 162,912 km (0.073 R)
• M2: 708,196 km (0.109 R)
• M3: 1,370,765 km (0.074 R)
• M4: 2,407,628 km (0.044 R)
• M5: 3,085,157 km (0.079 R)
• M6: 5,009,285 km (0.1 R)
• M7: 5,461,369 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 11.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.45 AU - 1.55 AU

Year: 1205 Days

Day: 5.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 96,911,612 km

• M1: 155,283 km (0.098 R)
• M2: 779,854 km (0.116 R)
• M3: 1,268,889 km (0.12 R)
• M4: 1,985,463 km (0.107 R)
• M5: 2,944,984 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.8

Radius: 11.4

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.25 AU - 2.27 AU

Year: 2229 Days

Day: 14.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 96,911,612 km

• M1: 141,968 km (0.032 R)
• M2: 508,034 km (0.11 R)
• M3: 957,127 km (0.059 R)
• M4: 1,318,406 km (0.082 R)
• M5: 1,888,075 km (0.119 R)
• M6: 3,072,291 km (0.111 R)
• M7: 4,246,485 km (0.112 R)
• M8: 4,855,797 km (0.055 R)
• M9: 5,350,368 km (0.05 R)
• M10: 6,195,596 km (0.105 R)
• M11: 7,157,361 km (0.115 R)
• M12: 7,767,869 km (0.113 R)
• M13: 10,758,630 km (0.111 R)
• M14: 12,575,047 km (0.096 R)
• M15: 16,595,939 km (0.117 R)
• M16: 18,330,377 km (0.05 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 825.3

Radius: 4.5

Gravity: 40.76 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 5.55 AU - 6.25 AU

Year: 9401 Days

Day: 16.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 96,911,612 km

• M1: 55,950 km (0.06 R)
• M2: 211,232 km (0.037 R)
• M3: 412,890 km (0.033 R)
• M4: 598,092 km (0.11 R)
• M5: 895,642 km (0.11 R)
• M6: 1,175,839 km (0.067 R)
• M7: 1,349,822 km (0.116 R)
• M8: 2,738,688 km (0.07 R)
• M9: 3,138,264 km (0.094 R)
• M10: 5,395,696 km (0.113 R)
• M11: 5,702,970 km (0.1 R)
• M12: 7,840,574 km (0.079 R)
• M13: 9,944,967 km (0.091 R)
• M14: 10,511,345 km (0.099 R)
• M15: 11,935,217 km (0.082 R)
• M16: 12,693,230 km (0.075 R)
• M17: 12,932,736 km (0.093 R)
• M18: 18,687,467 km (0.114 R)
• M19: 20,029,210 km (0.114 R)
• M20: 20,847,660 km (0.111 R)
• M21: 23,436,601 km (0.103 R)
• M22: 23,978,893 km (0.077 R)
• M23: 24,529,563 km (0.115 R)
• M24: 25,942,964 km (0.075 R)
• M25: 27,013,336 km (0.093 R)
• M26: 28,011,603 km (0.095 R)
• M27: 29,034,254 km (0.115 R)
• M28: 29,241,746 km (0.107 R)
• M29: 31,153,906 km (0.117 R)
• M30: 32,140,355 km (0.11 R)
• M31: 34,175,783 km (0.089 R)
• M32: 34,523,149 km (0.087 R)
• M33: 41,974,470 km (0.078 R)
• M34: 42,372,849 km (0.071 R)
• M35: 44,265,412 km (0.109 R)
• M36: 46,922,868 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.6

Radius: 3.6

Gravity: 17.56 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.02 AU - 9.88 AU

Year: 19057 Days

Day: 16.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 96,911,612 km

• M1: 44,879 km (0.05 R)
• M2: 234,569 km (0.117 R)
• M3: 378,183 km (0.106 R)
• M4: 602,580 km (0.101 R)
• M5: 749,635 km (0.061 R)
• M6: 1,026,241 km (0.066 R)
• M7: 1,520,064 km (0.118 R)
• M8: 1,795,025 km (0.114 R)
• M9: 2,102,299 km (0.108 R)
• M10: 4,388,005 km (0.118 R)
• M11: 5,039,952 km (0.063 R)
• M12: 5,440,276 km (0.074 R)
• M13: 5,825,491 km (0.111 R)
• M14: 6,228,657 km (0.079 R)
• M15: 8,950,889 km (0.108 R)
• M16: 9,636,945 km (0.099 R)
• M17: 9,992,689 km (0.054 R)
• M18: 13,285,488 km (0.074 R)
• M19: 16,076,386 km (0.047 R)
• M20: 16,218,204 km (0.087 R)
• M21: 20,289,510 km (0.074 R)
• M22: 22,871,121 km (0.111 R)
• M23: 28,674,172 km (0.119 R)
• M24: 37,213,518 km (0.115 R)
• M25: 37,586,465 km (0.086 R)
• M26: 46,291,116 km (0.103 R)
• M27: 46,722,407 km (0.111 R)
• M28: 47,301,650 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.2

Radius: 5.1

Gravity: 31.57 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.89 AU - 10.13 AU

Year: 19239 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 96,911,612 km

• M1: 65,225 km (0.083 R)
• M2: 244,443 km (0.027 R)
• M3: 485,295 km (0.053 R)
• M4: 936,183 km (0.093 R)
• M5: 1,137,841 km (0.12 R)
• M6: 2,340,608 km (0.076 R)
• M7: 4,049,914 km (0.118 R)
• M8: 4,382,021 km (0.113 R)
• M9: 4,660,572 km (0.064 R)
• M10: 4,950,792 km (0.109 R)
• M11: 5,138,238 km (0.064 R)
• M12: 6,586,495 km (0.071 R)
• M13: 7,045,611 km (0.09 R)
• M14: 8,821,786 km (0.082 R)
• M15: 11,129,633 km (0.115 R)
• M16: 16,063,520 km (0.036 R)
• M17: 18,103,736 km (0.084 R)
• M18: 18,459,779 km (0.06 R)
• M19: 20,406,047 km (0.115 R)
• M20: 20,598,280 km (0.116 R)
• M21: 22,281,256 km (0.075 R)
• M22: 25,470,982 km (0.095 R)
• M23: 27,758,633 km (0.086 R)
• M24: 28,231,961 km (0.12 R)
• M25: 30,055,259 km (0.119 R)
• M26: 32,737,699 km (0.108 R)
• M27: 39,162,329 km (0.079 R)
• M28: 53,332,239 km (0.07 R)
• M29: 54,616,537 km (0.118 R)
• M30: 59,763,452 km (0.096 R)
• M31: 62,960,957 km (0.097 R)
• M32: 63,777,761 km (0.034 R)
• M33: 64,395,002 km (0.044 R)
• M34: 64,808,790 km (0.109 R)
• M35: 70,349,446 km (0.112 R)
• M36: 70,788,216 km (0.106 R)
• M37: 77,357,957 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.9

Radius: 5.2

Gravity: 35.57 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 8.72 AU - 13.48 AU

Year: 24260 Days

Day: 22.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 96,911,612 km

• M1: 64,925 km (0.088 R)
• M2: 227,838 km (0.105 R)
• M3: 687,851 km (0.096 R)
• M4: 1,067,979 km (0.084 R)
• M5: 1,370,316 km (0.104 R)
• M6: 1,846,636 km (0.095 R)
• M7: 2,035,129 km (0.094 R)
• M8: 2,949,771 km (0.032 R)
• M9: 5,050,275 km (0.088 R)
• M10: 5,505,650 km (0.076 R)
• M11: 5,677,987 km (0.08 R)
• M12: 5,943,075 km (0.089 R)
• M13: 6,170,314 km (0.118 R)
• M14: 7,087,199 km (0.062 R)
• M15: 9,614,805 km (0.041 R)
• M16: 9,991,791 km (0.084 R)
• M17: 10,977,193 km (0.088 R)
• M18: 15,742,184 km (0.113 R)
• M19: 18,000,065 km (0.096 R)
• M20: 22,372,960 km (0.072 R)
• M21: 22,702,075 km (0.096 R)
• M22: 27,781,372 km (0.105 R)
• M23: 38,050,218 km (0.12 R)
• M24: 38,676,435 km (0.069 R)
• M25: 47,092,363 km (0.106 R)
• M26: 53,267,912 km (0.097 R)
• M27: 57,466,227 km (0.098 R)
• M28: 57,877,172 km (0.049 R)
• M29: 67,879,585 km (0.087 R)
• M30: 74,498,842 km (0.096 R)
• M31: 80,761,158 km (0.043 R)
• M32: 83,887,904 km (0.106 R)
• M33: 93,466,805 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 307 - 18,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit