🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960

Radius: 12

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.67 AU - 0.71 AU

Year: 396 Days

Day: 11.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 62.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 46,825,991 km

• M1: 150,346 km (0.088 R)
• M2: 529,576 km (0.114 R)
• M3: 913,594 km (0.091 R)
• M4: 1,391,410 km (0.119 R)
• M5: 2,456,098 km (0.089 R)
• M6: 2,838,769 km (0.086 R)
• M7: 3,238,345 km (0.106 R)
• M8: 3,650,188 km (0.087 R)
• M9: 4,320,087 km (0.091 R)
• M10: 4,745,095 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.5

Radius: 11.5

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.84 AU - 0.9 AU

Year: 560 Days

Day: 12.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,825,991 km

• M1: 143,016 km (0.113 R)
• M2: 540,048 km (0.09 R)
• M3: 1,194,090 km (0.082 R)
• M4: 1,619,247 km (0.107 R)
• M5: 2,038,720 km (0.069 R)
• M6: 2,997,343 km (0.115 R)
• M7: 3,677,415 km (0.113 R)
• M8: 4,205,346 km (0.073 R)
• M9: 4,847,270 km (0.096 R)
• M10: 5,500,863 km (0.062 R)
• M11: 5,968,506 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.6

Radius: 10.3

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.86 AU - 1.42 AU

Year: 840 Days

Day: 14 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 46,825,991 km

• M1: 128,056 km (0.096 R)
• M2: 451,636 km (0.058 R)
• M3: 2,364,245 km (0.1 R)
• M4: 2,944,086 km (0.105 R)
• M5: 3,961,950 km (0.096 R)
• M6: 4,462,056 km (0.051 R)
• M7: 4,876,292 km (0.116 R)
• M8: 5,925,422 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998

Radius: 12.6

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.08 AU - 1.6 AU

Year: 1071 Days

Day: 9.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 46,825,991 km

• M1: 159,471 km (0.072 R)
• M2: 553,063 km (0.119 R)
• M3: 1,046,437 km (0.104 R)
• M4: 1,641,687 km (0.105 R)
• M5: 2,180,090 km (0.05 R)
• M6: 2,848,493 km (0.048 R)
• M7: 3,602,616 km (0.089 R)
• M8: 4,027,474 km (0.099 R)
• M9: 6,280,418 km (0.045 R)
• M10: 6,874,920 km (0.068 R)
• M11: 7,274,795 km (0.118 R)
• M12: 9,606,278 km (0.099 R)
• M13: 10,235,337 km (0.109 R)
• M14: 10,824,902 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 10.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 2.73 AU - 2.87 AU

Year: 3234 Days

Day: 9.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,825,991 km

• M1: 139,126 km (0.036 R)
• M2: 1,005,148 km (0.115 R)
• M3: 1,512,135 km (0.08 R)
• M4: 1,866,682 km (0.049 R)
• M5: 4,330,410 km (0.106 R)
• M6: 5,034,567 km (0.098 R)
• M7: 5,968,057 km (0.097 R)
• M8: 6,868,936 km (0.058 R)
• M9: 10,880,702 km (0.105 R)
• M10: 12,563,828 km (0.091 R)
• M11: 15,979,446 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.9

Radius: 12.8

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.06 AU - 4.06 AU

Year: 4636 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,825,991 km

• M1: 166,353 km (0.074 R)
• M2: 614,249 km (0.108 R)
• M3: 1,013,376 km (0.111 R)
• M4: 1,877,902 km (0.052 R)
• M5: 2,286,603 km (0.106 R)
• M6: 2,882,452 km (0.098 R)
• M7: 3,473,962 km (0.073 R)
• M8: 4,462,654 km (0.045 R)
• M9: 5,370,713 km (0.05 R)
• M10: 5,808,736 km (0.106 R)
• M11: 6,239,278 km (0.074 R)
• M12: 9,164,665 km (0.065 R)
• M13: 12,749,628 km (0.099 R)
• M14: 13,163,565 km (0.11 R)
• M15: 14,909,821 km (0.115 R)
• M16: 16,136,823 km (0.087 R)
• M17: 17,876,198 km (0.08 R)
• M18: 20,082,766 km (0.105 R)
• M19: 21,651,300 km (0.091 R)
• M20: 22,390,613 km (0.05 R)
• M21: 23,608,489 km (0.06 R)
• M22: 30,737,127 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.6

Radius: 13.2

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.45 AU - 4.63 AU

Year: 5605 Days

Day: 12.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,825,991 km

• M1: 164,109 km (0.047 R)
• M2: 818,001 km (0.086 R)
• M3: 1,542,504 km (0.094 R)
• M4: 2,370,977 km (0.108 R)
• M5: 3,005,870 km (0.05 R)
• M6: 4,705,900 km (0.086 R)
• M7: 5,204,959 km (0.119 R)
• M8: 5,764,604 km (0.118 R)
• M9: 6,177,345 km (0.067 R)
• M10: 6,805,656 km (0.12 R)
• M11: 7,356,326 km (0.119 R)
• M12: 8,158,170 km (0.097 R)
• M13: 9,754,978 km (0.106 R)
• M14: 10,532,288 km (0.075 R)
• M15: 11,591,890 km (0.111 R)
• M16: 12,894,738 km (0.109 R)
• M17: 13,922,775 km (0.114 R)
• M18: 15,443,138 km (0.106 R)
• M19: 16,192,773 km (0.104 R)
• M20: 17,283,042 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 11.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.45 AU - 4.81 AU

Year: 6877 Days

Day: 8.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,825,991 km

• M1: 138,378 km (0.096 R)
• M2: 499,208 km (0.097 R)
• M3: 985,850 km (0.114 R)
• M4: 1,732,343 km (0.057 R)
• M5: 2,177,696 km (0.117 R)
• M6: 2,787,607 km (0.116 R)
• M7: 3,529,612 km (0.115 R)
• M8: 4,276,704 km (0.104 R)
• M9: 5,098,744 km (0.108 R)
• M10: 6,429,118 km (0.096 R)
• M11: 7,978,354 km (0.108 R)
• M12: 9,345,379 km (0.114 R)
• M13: 10,324,946 km (0.115 R)
• M14: 10,726,467 km (0.09 R)
• M15: 11,656,068 km (0.108 R)
• M16: 12,689,191 km (0.09 R)
• M17: 14,712,203 km (0.119 R)
• M18: 15,859,319 km (0.089 R)
• M19: 18,266,050 km (0.108 R)
• M20: 19,053,234 km (0.106 R)
• M21: 21,695,431 km (0.117 R)
• M22: 24,889,944 km (0.112 R)
• M23: 27,610,232 km (0.105 R)
• M24: 30,523,052 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.8

Radius: 10.9

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.02 AU - 6.04 AU

Year: 8976 Days

Day: 12.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,825,991 km

• M1: 135,536 km (0.083 R)
• M2: 523,293 km (0.061 R)
• M3: 1,210,696 km (0.114 R)
• M4: 1,607,280 km (0.101 R)
• M5: 2,511,299 km (0.119 R)
• M6: 5,528,240 km (0.119 R)
• M7: 6,120,498 km (0.101 R)
• M8: 6,831,985 km (0.08 R)
• M9: 7,309,053 km (0.028 R)
• M10: 9,590,271 km (0.104 R)
• M11: 9,936,889 km (0.05 R)
• M12: 10,550,240 km (0.094 R)
• M13: 11,352,534 km (0.054 R)
• M14: 12,543,183 km (0.085 R)
• M15: 13,078,295 km (0.1 R)
• M16: 14,906,680 km (0.059 R)
• M17: 17,043,237 km (0.119 R)
• M18: 20,334,539 km (0.104 R)
• M19: 21,073,403 km (0.111 R)
• M20: 21,745,247 km (0.089 R)
• M21: 22,344,686 km (0.119 R)
• M22: 23,397,855 km (0.061 R)
• M23: 23,756,291 km (0.089 R)
• M24: 24,760,542 km (0.113 R)
• M25: 27,049,838 km (0.116 R)
• M26: 29,685,453 km (0.054 R)
• M27: 31,281,364 km (0.073 R)
• M28: 32,710,173 km (0.043 R)
• M29: 36,292,294 km (0.038 R)
• M30: 36,893,677 km (0.026 R)
• M31: 43,411,507 km (0.112 R)
• M32: 47,012,178 km (0.042 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 497.2

Radius: 7.1

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.85 AU - 7.07 AU

Year: 11333 Days

Day: 20.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 46,825,991 km

• M1: 89,609 km (0.115 R)
• M2: 767,287 km (0.118 R)
• M3: 1,103,284 km (0.06 R)
• M4: 1,861,147 km (0.092 R)
• M5: 2,632,623 km (0.043 R)
• M6: 5,128,963 km (0.09 R)
• M7: 5,486,502 km (0.055 R)
• M8: 6,071,878 km (0.108 R)
• M9: 6,622,099 km (0.093 R)
• M10: 7,007,164 km (0.092 R)
• M11: 8,473,373 km (0.041 R)
• M12: 9,638,441 km (0.028 R)
• M13: 10,489,503 km (0.072 R)
• M14: 10,749,056 km (0.043 R)
• M15: 11,119,759 km (0.025 R)
• M16: 12,746,786 km (0.077 R)
• M17: 16,957,966 km (0.119 R)
• M18: 20,043,272 km (0.032 R)
• M19: 20,605,012 km (0.094 R)
• M20: 21,425,557 km (0.068 R)
• M21: 26,619,595 km (0.052 R)
• M22: 28,287,611 km (0.075 R)
• M23: 30,232,832 km (0.099 R)
• M24: 33,371,246 km (0.109 R)
• M25: 34,046,680 km (0.066 R)
• M26: 35,774,984 km (0.095 R)
• M27: 39,781,664 km (0.094 R)
• M28: 41,052,348 km (0.077 R)
• M29: 42,349,960 km (0.051 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 526 - 16,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit