🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 12.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.49 AU - 0.65 AU

Year: 287 Days

Day: 12.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,644,527 km

• M1: 155,582 km (0.063 R)
• M2: 629,957 km (0.112 R)
• M3: 1,183,768 km (0.093 R)
• M4: 1,600,697 km (0.088 R)
• M5: 2,011,493 km (0.089 R)
• M6: 2,467,617 km (0.099 R)
• M7: 3,184,191 km (0.096 R)
• M8: 3,614,733 km (0.046 R)
• M9: 4,047,670 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.4

Radius: 13.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.92 AU - 0.94 AU

Year: 598 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,644,527 km

• M1: 172,187 km (0.041 R)
• M2: 716,574 km (0.118 R)
• M3: 1,218,923 km (0.093 R)
• M4: 1,660,686 km (0.039 R)
• M5: 2,246,960 km (0.111 R)
• M6: 2,699,194 km (0.095 R)
• M7: 3,715,712 km (0.09 R)
• M8: 4,411,342 km (0.083 R)
• M9: 4,912,046 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.5

Radius: 11.2

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.9 AU - 1.32 AU

Year: 780 Days

Day: 12.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,644,527 km

• M1: 139,276 km (0.069 R)
• M2: 529,576 km (0.096 R)
• M3: 974,780 km (0.074 R)
• M4: 1,683,874 km (0.112 R)
• M5: 2,198,939 km (0.104 R)
• M6: 2,676,306 km (0.112 R)
• M7: 3,321,821 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.35 AU - 1.91 AU

Year: 1388 Days

Day: 8.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,644,527 km

• M1: 99,782 km (0.056 R)
• M2: 352,453 km (0.056 R)
• M3: 714,180 km (0.086 R)
• M4: 974,780 km (0.079 R)
• M5: 1,405,173 km (0.107 R)
• M6: 1,748,949 km (0.094 R)
• M7: 4,004,885 km (0.044 R)
• M8: 5,063,589 km (0.082 R)
• M9: 5,492,935 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.4

Radius: 14

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.6 AU - 2.02 AU

Year: 1624 Days

Day: 11.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,644,527 km

• M1: 174,132 km (0.112 R)
• M2: 635,193 km (0.061 R)
• M3: 1,234,482 km (0.073 R)
• M4: 1,990,400 km (0.113 R)
• M5: 3,347,252 km (0.111 R)
• M6: 4,041,536 km (0.117 R)
• M7: 4,503,195 km (0.097 R)
• M8: 5,371,611 km (0.074 R)
• M9: 6,061,407 km (0.106 R)
• M10: 6,576,771 km (0.116 R)
• M11: 7,048,453 km (0.108 R)
• M12: 8,355,041 km (0.107 R)
• M13: 9,109,314 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.2

Radius: 10.9

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.51 AU - 2.49 AU

Year: 1886 Days

Day: 10.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,644,527 km

• M1: 135,536 km (0.045 R)
• M2: 520,900 km (0.117 R)
• M3: 874,848 km (0.036 R)
• M4: 1,457,532 km (0.049 R)
• M5: 2,089,583 km (0.118 R)
• M6: 2,624,246 km (0.094 R)
• M7: 3,069,000 km (0.086 R)
• M8: 3,451,223 km (0.074 R)
• M9: 4,275,358 km (0.063 R)
• M10: 5,078,997 km (0.118 R)
• M11: 5,773,879 km (0.049 R)
• M12: 6,287,449 km (0.048 R)
• M13: 6,780,823 km (0.085 R)
• M14: 7,246,670 km (0.051 R)
• M15: 8,329,609 km (0.119 R)
• M16: 9,296,311 km (0.116 R)
• M17: 10,369,676 km (0.109 R)
• M18: 12,530,467 km (0.091 R)
• M19: 12,996,165 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.4

Radius: 9.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.86 AU - 2.76 AU

Year: 2341 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,644,527 km

• M1: 125,961 km (0.1 R)
• M2: 480,957 km (0.05 R)
• M3: 872,904 km (0.065 R)
• M4: 1,684,472 km (0.085 R)
• M5: 2,383,992 km (0.059 R)
• M6: 3,053,293 km (0.064 R)
• M7: 3,360,567 km (0.118 R)
• M8: 3,756,702 km (0.075 R)
• M9: 4,623,472 km (0.09 R)
• M10: 5,093,807 km (0.111 R)
• M11: 6,034,928 km (0.09 R)
• M12: 6,826,749 km (0.102 R)
• M13: 7,301,722 km (0.09 R)
• M14: 7,883,658 km (0.053 R)
• M15: 8,768,081 km (0.047 R)
• M16: 11,894,527 km (0.103 R)
• M17: 12,739,755 km (0.085 R)
• M18: 13,460,517 km (0.087 R)
• M19: 14,123,984 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.3

Radius: 8.5

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.1 AU - 2.76 AU

Year: 2526 Days

Day: 12.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,644,527 km

• M1: 105,766 km (0.107 R)
• M2: 1,048,681 km (0.037 R)
• M3: 1,420,282 km (0.107 R)
• M4: 1,796,970 km (0.091 R)
• M5: 2,138,352 km (0.08 R)
• M6: 3,173,719 km (0.057 R)
• M7: 4,999,411 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.2

Radius: 3.4

Gravity: 77.09 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.94 AU - 8.26 AU

Year: 15373 Days

Day: 17.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 82,644,527 km

• M1: 46,375 km (0.056 R)
• M2: 483,351 km (0.089 R)
• M3: 616,493 km (0.069 R)
• M4: 744,249 km (0.108 R)
• M5: 923,468 km (0.055 R)
• M6: 1,143,825 km (0.091 R)
• M7: 1,383,182 km (0.112 R)
• M8: 1,654,852 km (0.048 R)
• M9: 2,324,901 km (0.101 R)
• M10: 2,780,127 km (0.11 R)
• M11: 4,567,522 km (0.067 R)
• M12: 6,778,429 km (0.1 R)
• M13: 7,320,572 km (0.107 R)
• M14: 7,602,265 km (0.091 R)
• M15: 8,038,342 km (0.091 R)
• M16: 10,007,200 km (0.09 R)
• M17: 10,354,117 km (0.095 R)
• M18: 11,010,852 km (0.112 R)
• M19: 11,886,299 km (0.108 R)
• M20: 12,079,729 km (0.098 R)
• M21: 12,807,074 km (0.1 R)
• M22: 14,863,745 km (0.03 R)
• M23: 15,315,232 km (0.074 R)
• M24: 16,087,755 km (0.093 R)
• M25: 16,324,419 km (0.087 R)
• M26: 18,647,225 km (0.106 R)
• M27: 20,527,221 km (0.061 R)
• M28: 24,973,569 km (0.108 R)
• M29: 27,813,984 km (0.083 R)
• M30: 30,862,340 km (0.104 R)
• M31: 31,596,267 km (0.083 R)
• M32: 35,440,184 km (0.048 R)
• M33: 36,379,958 km (0.114 R)
• M34: 42,670,100 km (0.079 R)
• M35: 46,547,677 km (0.087 R)
• M36: 47,512,134 km (0.117 R)
• M37: 48,489,756 km (0.088 R)
• M38: 49,813,997 km (0.049 R)
• M39: 53,229,615 km (0.025 R)
• M40: 56,071,975 km (0.079 R)
• M41: 56,252,988 km (0.065 R)
• M42: 58,640,720 km (0.08 R)
• M43: 65,403,142 km (0.105 R)
• M44: 69,075,022 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 892.4

Radius: 3.9

Gravity: 58.67 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.11 AU - 11.09 AU

Year: 19835 Days

Day: 24.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,644,527 km

• M1: 48,619 km (0.103 R)
• M2: 270,323 km (0.106 R)
• M3: 399,726 km (0.12 R)
• M4: 606,171 km (0.117 R)
• M5: 835,504 km (0.085 R)
• M6: 1,293,124 km (0.056 R)
• M7: 1,861,596 km (0.064 R)
• M8: 3,266,320 km (0.094 R)
• M9: 3,499,543 km (0.101 R)
• M10: 4,098,084 km (0.099 R)
• M11: 5,994,686 km (0.042 R)
• M12: 7,376,073 km (0.07 R)
• M13: 8,193,326 km (0.118 R)
• M14: 10,435,050 km (0.114 R)
• M15: 12,696,521 km (0.084 R)
• M16: 15,669,031 km (0.097 R)
• M17: 15,832,840 km (0.085 R)
• M18: 16,247,526 km (0.098 R)
• M19: 21,599,240 km (0.078 R)
• M20: 22,006,445 km (0.088 R)
• M21: 22,418,737 km (0.087 R)
• M22: 22,941,432 km (0.12 R)
• M23: 23,472,205 km (0.033 R)
• M24: 26,249,190 km (0.058 R)
• M25: 26,596,407 km (0.087 R)
• M26: 27,300,115 km (0.104 R)
• M27: 35,736,687 km (0.119 R)
• M28: 37,026,520 km (0.117 R)
• M29: 37,903,463 km (0.085 R)
• M30: 39,546,945 km (0.074 R)
• M31: 39,698,637 km (0.091 R)
• M32: 42,179,269 km (0.046 R)
• M33: 48,654,613 km (0.099 R)
• M34: 49,353,983 km (0.108 R)
• M35: 55,571,271 km (0.116 R)
• M36: 56,143,782 km (0.078 R)
• M37: 57,300,323 km (0.083 R)
• M38: 60,461,924 km (0.113 R)
• M39: 63,946,507 km (0.086 R)
• M40: 66,914,679 km (0.102 R)
• M41: 68,870,671 km (0.109 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 16,872 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit