🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.49 AU - 0.55 AU

Year: 242 Days

Day: 23.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 36 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749

Radius: 8.9

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.64 AU - 0.82 AU

Year: 403 Days

Day: 5.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 81 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,271,952 km

• M1: 110,702 km (0.117 R)
• M2: 438,023 km (0.094 R)
• M3: 747,989 km (0.098 R)
• M4: 1,052,421 km (0.082 R)
• M5: 1,358,498 km (0.067 R)
• M6: 1,673,551 km (0.063 R)
• M7: 2,147,627 km (0.08 R)
• M8: 2,473,451 km (0.097 R)
• M9: 2,780,426 km (0.087 R)
• M10: 3,191,521 km (0.056 R)
• M11: 3,568,807 km (0.072 R)
• M12: 4,082,376 km (0.069 R)
• M13: 4,441,860 km (0.09 R)
• M14: 4,807,477 km (0.096 R)
• M15: 5,145,868 km (0.053 R)
• M16: 5,649,564 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.5

Radius: 14.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.82 AU - 0.92 AU

Year: 524 Days

Day: 14 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,271,952 km

• M1: 185,352 km (0.029 R)
• M2: 734,974 km (0.108 R)
• M3: 1,365,380 km (0.08 R)
• M4: 1,854,266 km (0.075 R)
• M5: 2,492,749 km (0.109 R)
• M6: 3,025,019 km (0.089 R)
• M7: 3,918,716 km (0.048 R)
• M8: 5,441,623 km (0.11 R)
• M9: 7,160,352 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.4

Radius: 8.2

Gravity: 12.93 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.97 AU - 1.27 AU

Year: 765 Days

Day: 10.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,271,952 km

• M1: 102,026 km (0.115 R)
• M2: 382,971 km (0.085 R)
• M3: 749,037 km (0.113 R)
• M4: 1,112,559 km (0.092 R)
• M5: 1,380,639 km (0.052 R)
• M6: 2,181,586 km (0.096 R)
• M7: 2,493,647 km (0.031 R)
• M8: 3,089,046 km (0.117 R)
• M9: 4,326,221 km (0.113 R)
• M10: 4,698,720 km (0.057 R)
• M11: 5,411,853 km (0.106 R)
• M12: 6,258,277 km (0.049 R)
• M13: 6,691,214 km (0.112 R)
• M14: 7,762,783 km (0.072 R)
• M15: 8,035,201 km (0.088 R)
• M16: 8,494,765 km (0.03 R)
• M17: 9,025,688 km (0.105 R)
• M18: 9,327,128 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.3

Radius: 13.8

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.06 AU - 1.42 AU

Year: 892 Days

Day: 14.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,271,952 km

• M1: 171,589 km (0.11 R)
• M2: 713,133 km (0.112 R)
• M3: 1,157,439 km (0.095 R)
• M4: 1,654,104 km (0.098 R)
• M5: 2,543,313 km (0.036 R)
• M6: 3,433,122 km (0.115 R)
• M7: 3,951,179 km (0.038 R)
• M8: 4,826,925 km (0.116 R)
• M9: 5,786,595 km (0.062 R)
• M10: 6,684,332 km (0.093 R)
• M11: 8,429,391 km (0.109 R)
• M12: 9,790,582 km (0.119 R)
• M13: 10,275,429 km (0.1 R)

Asteroid Belt

Center: 3.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.5

Radius: 10.6

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.71 AU - 6.77 AU

Year: 8879 Days

Day: 13.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,271,952 km

• M1: 131,945 km (0.106 R)
• M2: 1,071,270 km (0.114 R)
• M3: 1,503,010 km (0.089 R)
• M4: 2,371,126 km (0.08 R)
• M5: 2,960,542 km (0.062 R)
• M6: 3,397,966 km (0.109 R)
• M7: 3,825,666 km (0.074 R)
• M8: 4,403,563 km (0.086 R)
• M9: 5,665,271 km (0.103 R)
• M10: 6,342,800 km (0.111 R)
• M11: 8,385,260 km (0.058 R)
• M12: 9,752,884 km (0.104 R)
• M13: 10,779,275 km (0.047 R)
• M14: 14,679,291 km (0.079 R)
• M15: 16,728,483 km (0.086 R)
• M16: 17,232,927 km (0.101 R)
• M17: 21,219,112 km (0.089 R)
• M18: 23,291,940 km (0.12 R)
• M19: 25,213,375 km (0.025 R)
• M20: 26,068,327 km (0.11 R)
• M21: 27,635,813 km (0.109 R)
• M22: 36,667,186 km (0.11 R)
• M23: 38,259,057 km (0.078 R)
• M24: 40,797,284 km (0.093 R)
• M25: 47,486,403 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.3

Radius: 3.8

Gravity: 41.02 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.33 AU - 8.19 AU

Year: 12630 Days

Day: 24.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 78,271,952 km

• M1: 49,816 km (0.076 R)
• M2: 181,313 km (0.096 R)
• M3: 309,219 km (0.099 R)
• M4: 1,205,011 km (0.114 R)
• M5: 1,620,145 km (0.09 R)
• M6: 1,963,023 km (0.103 R)
• M7: 2,352,576 km (0.098 R)
• M8: 2,534,487 km (0.054 R)
• M9: 3,562,524 km (0.117 R)
• M10: 3,775,551 km (0.066 R)
• M11: 5,372,808 km (0.082 R)
• M12: 7,244,426 km (0.082 R)
• M13: 7,414,220 km (0.057 R)
• M14: 7,983,889 km (0.109 R)
• M15: 8,724,697 km (0.075 R)
• M16: 8,965,251 km (0.117 R)
• M17: 9,713,539 km (0.073 R)
• M18: 12,029,015 km (0.081 R)
• M19: 13,504,798 km (0.097 R)
• M20: 13,761,807 km (0.113 R)
• M21: 14,755,287 km (0.103 R)
• M22: 19,208,367 km (0.114 R)
• M23: 20,700,755 km (0.078 R)
• M24: 25,638,831 km (0.105 R)
• M25: 29,441,011 km (0.073 R)
• M26: 30,309,725 km (0.117 R)
• M27: 32,671,128 km (0.081 R)
• M28: 39,693,102 km (0.041 R)
• M29: 40,619,113 km (0.059 R)
• M30: 42,651,849 km (0.031 R)
• M31: 47,805,047 km (0.089 R)
• M32: 52,246,009 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538

Radius: 7.2

Gravity: 10.38 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.38 AU - 7.84 AU

Year: 13555 Days

Day: 18.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,271,952 km

• M1: 89,609 km (0.118 R)
• M2: 809,474 km (0.084 R)
• M3: 1,535,024 km (0.028 R)
• M4: 1,779,766 km (0.109 R)
• M5: 2,122,495 km (0.11 R)
• M6: 2,388,180 km (0.083 R)
• M7: 2,895,766 km (0.12 R)
• M8: 5,456,732 km (0.097 R)
• M9: 5,921,682 km (0.105 R)
• M10: 8,277,699 km (0.119 R)
• M11: 15,355,324 km (0.11 R)
• M12: 15,992,312 km (0.045 R)
• M13: 17,017,955 km (0.108 R)
• M14: 18,321,550 km (0.065 R)
• M15: 18,717,386 km (0.113 R)
• M16: 23,921,597 km (0.088 R)
• M17: 25,163,858 km (0.106 R)
• M18: 29,796,605 km (0.102 R)
• M19: 32,026,511 km (0.034 R)
• M20: 34,245,645 km (0.03 R)
• M21: 34,605,279 km (0.059 R)
• M22: 38,211,635 km (0.115 R)
• M23: 38,598,495 km (0.051 R)
• M24: 48,382,794 km (0.078 R)
• M25: 49,443,592 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 937

Radius: 6.3

Gravity: 23.61 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 8.1 AU - 10.18 AU

Year: 17842 Days

Day: 24.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 153.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 78,271,952 km

• M1: 78,389 km (0.061 R)
• M2: 342,280 km (0.065 R)
• M3: 1,517,072 km (0.077 R)
• M4: 1,794,875 km (0.066 R)
• M5: 2,005,210 km (0.097 R)
• M6: 2,888,436 km (0.056 R)
• M7: 5,272,727 km (0.08 R)
• M8: 5,546,790 km (0.098 R)
• M9: 5,954,743 km (0.12 R)
• M10: 7,015,392 km (0.117 R)
• M11: 7,347,200 km (0.093 R)
• M12: 7,789,112 km (0.09 R)
• M13: 9,054,262 km (0.076 R)
• M14: 9,447,704 km (0.115 R)
• M15: 9,677,636 km (0.068 R)
• M16: 11,588,300 km (0.074 R)
• M17: 12,946,349 km (0.102 R)
• M18: 14,866,288 km (0.119 R)
• M19: 15,099,362 km (0.057 R)
• M20: 15,493,253 km (0.106 R)
• M21: 20,769,121 km (0.088 R)
• M22: 21,751,082 km (0.114 R)
• M23: 27,129,275 km (0.057 R)
• M24: 30,247,642 km (0.101 R)
• M25: 32,151,275 km (0.083 R)
• M26: 32,803,073 km (0.082 R)
• M27: 34,133,148 km (0.109 R)
• M28: 34,539,156 km (0.088 R)
• M29: 36,617,370 km (0.112 R)
• M30: 39,813,977 km (0.071 R)
• M31: 42,877,143 km (0.036 R)
• M32: 44,466,022 km (0.058 R)
• M33: 49,813,847 km (0.092 R)
• M34: 53,911,931 km (0.052 R)
• M35: 54,278,595 km (0.033 R)
• M36: 54,831,659 km (0.099 R)
• M37: 58,229,176 km (0.111 R)
• M38: 58,808,718 km (0.087 R)
• M39: 62,973,972 km (0.079 R)
• M40: 65,648,482 km (0.115 R)
• M41: 70,345,706 km (0.069 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 12,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit