🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.5

Radius: 12.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.55 AU - 0.81 AU

Year: 368 Days

Day: 12.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 123.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,893,655 km

• M1: 156,031 km (0.114 R)
• M2: 618,438 km (0.12 R)
• M3: 1,139,487 km (0.116 R)
• M4: 1,793,529 km (0.059 R)
• M5: 2,183,979 km (0.093 R)
• M6: 4,042,434 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.6

Radius: 12.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.68 AU - 1.02 AU

Year: 514 Days

Day: 10 Hours

Environment

Temp: -145 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,893,655 km

• M1: 155,582 km (0.045 R)
• M2: 590,164 km (0.119 R)
• M3: 1,465,610 km (0.097 R)
• M4: 2,143,588 km (0.107 R)
• M5: 2,750,806 km (0.084 R)
• M6: 3,181,348 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.2

Radius: 14.8

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.28 AU - 1.54 AU

Year: 1098 Days

Day: 5.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,893,655 km

• M1: 184,005 km (0.065 R)
• M2: 733,478 km (0.034 R)
• M3: 1,875,359 km (0.079 R)
• M4: 2,394,164 km (0.059 R)
• M5: 3,058,977 km (0.081 R)
• M6: 3,714,964 km (0.102 R)
• M7: 5,220,666 km (0.104 R)
• M8: 5,902,234 km (0.064 R)
• M9: 7,444,588 km (0.069 R)
• M10: 8,235,512 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589

Radius: 11.8

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.53 AU - 1.99 AU

Year: 1532 Days

Day: 11.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,893,655 km

• M1: 147,055 km (0.091 R)
• M2: 589,715 km (0.106 R)
• M3: 1,151,156 km (0.092 R)
• M4: 1,600,548 km (0.047 R)
• M5: 4,203,401 km (0.117 R)
• M6: 4,572,010 km (0.115 R)
• M7: 5,374,902 km (0.114 R)
• M8: 5,900,140 km (0.107 R)
• M9: 6,435,551 km (0.12 R)
• M10: 6,902,147 km (0.11 R)
• M11: 7,338,673 km (0.098 R)
• M12: 8,042,082 km (0.12 R)
• M13: 9,396,242 km (0.058 R)
• M14: 11,419,254 km (0.102 R)
• M15: 12,104,861 km (0.104 R)
• M16: 12,932,736 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.3

Radius: 9.4

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.61 AU - 1.95 AU

Year: 1558 Days

Day: 9.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 55,893,655 km

• M1: 134,040 km (0.064 R)
• M2: 445,652 km (0.119 R)
• M3: 1,333,366 km (0.096 R)
• M4: 2,285,407 km (0.053 R)
• M5: 2,801,819 km (0.1 R)
• M6: 3,720,798 km (0.094 R)
• M7: 4,050,362 km (0.103 R)
• M8: 4,494,518 km (0.113 R)
• M9: 5,393,452 km (0.105 R)
• M10: 5,978,529 km (0.088 R)
• M11: 6,934,609 km (0.058 R)
• M12: 7,301,573 km (0.098 R)
• M13: 8,810,118 km (0.065 R)
• M14: 9,366,921 km (0.11 R)
• M15: 11,178,551 km (0.105 R)
• M16: 13,372,254 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.5

Radius: 13.2

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.56 AU - 2.36 AU

Year: 1800 Days

Day: 7.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 55,893,655 km

• M1: 164,109 km (0.118 R)
• M2: 621,729 km (0.077 R)
• M3: 1,129,165 km (0.101 R)
• M4: 1,703,321 km (0.118 R)
• M5: 2,376,661 km (0.064 R)
• M6: 3,047,907 km (0.098 R)
• M7: 3,471,718 km (0.108 R)
• M8: 3,898,072 km (0.086 R)
• M9: 4,399,524 km (0.097 R)
• M10: 4,900,677 km (0.034 R)
• M11: 5,486,352 km (0.102 R)
• M12: 7,157,809 km (0.087 R)
• M13: 7,794,049 km (0.091 R)
• M14: 8,722,304 km (0.038 R)
• M15: 9,146,863 km (0.117 R)
• M16: 9,653,999 km (0.077 R)
• M17: 10,395,406 km (0.101 R)
• M18: 15,241,480 km (0.108 R)
• M19: 16,345,363 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.7

Radius: 10

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.86 AU - 3.18 AU

Year: 3443 Days

Day: 12.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,893,655 km

• M1: 124,465 km (0.097 R)
• M2: 537,056 km (0.084 R)
• M3: 861,235 km (0.101 R)
• M4: 1,506,451 km (0.03 R)
• M5: 1,892,114 km (0.11 R)
• M6: 2,732,555 km (0.11 R)
• M7: 3,201,095 km (0.062 R)
• M8: 4,210,582 km (0.102 R)
• M9: 5,010,033 km (0.039 R)
• M10: 7,548,260 km (0.114 R)
• M11: 9,434,988 km (0.026 R)
• M12: 10,101,596 km (0.112 R)
• M13: 10,467,064 km (0.095 R)
• M14: 10,883,544 km (0.043 R)
• M15: 11,616,873 km (0.104 R)
• M16: 12,154,079 km (0.106 R)
• M17: 13,038,502 km (0.087 R)
• M18: 15,786,465 km (0.098 R)
• M19: 16,168,987 km (0.102 R)
• M20: 16,501,692 km (0.11 R)
• M21: 17,819,650 km (0.066 R)
• M22: 18,776,926 km (0.099 R)
• M23: 20,663,954 km (0.099 R)
• M24: 21,922,521 km (0.096 R)
• M25: 24,084,509 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.88 AU - 5.13 AU

Year: 7334 Days

Day: 7.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,893,655 km

• M1: 100,081 km (0.06 R)
• M2: 511,475 km (0.04 R)
• M3: 1,036,264 km (0.043 R)
• M4: 1,414,597 km (0.089 R)
• M5: 1,720,824 km (0.111 R)
• M6: 2,336,120 km (0.032 R)
• M7: 2,973,557 km (0.12 R)
• M8: 3,312,546 km (0.116 R)
• M9: 3,880,868 km (0.042 R)
• M10: 4,826,476 km (0.118 R)
• M11: 5,439,827 km (0.08 R)
• M12: 5,979,576 km (0.112 R)
• M13: 10,620,850 km (0.04 R)
• M14: 12,299,488 km (0.082 R)
• M15: 13,018,007 km (0.119 R)
• M16: 18,319,905 km (0.12 R)
• M17: 25,638,532 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267

Radius: 6.7

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.72 AU - 6.3 AU

Year: 9665 Days

Day: 22.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,893,655 km

• M1: 83,775 km (0.119 R)
• M2: 306,676 km (0.104 R)
• M3: 649,554 km (0.055 R)
• M4: 1,449,155 km (0.085 R)
• M5: 1,676,394 km (0.102 R)
• M6: 2,031,838 km (0.107 R)
• M7: 2,798,079 km (0.109 R)
• M8: 3,538,588 km (0.034 R)
• M9: 4,506,935 km (0.114 R)
• M10: 5,764,156 km (0.112 R)
• M11: 9,374,102 km (0.099 R)
• M12: 9,678,533 km (0.095 R)
• M13: 10,725,270 km (0.105 R)
• M14: 14,719,982 km (0.06 R)
• M15: 15,611,136 km (0.067 R)
• M16: 18,028,638 km (0.102 R)
• M17: 19,536,584 km (0.1 R)
• M18: 21,201,160 km (0.034 R)
• M19: 21,801,496 km (0.036 R)
• M20: 22,259,266 km (0.081 R)
• M21: 22,645,677 km (0.096 R)
• M22: 23,831,539 km (0.104 R)
• M23: 25,058,242 km (0.038 R)
• M24: 27,814,882 km (0.115 R)
• M25: 29,082,125 km (0.098 R)
• M26: 31,246,657 km (0.102 R)
• M27: 34,126,117 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 846.7

Radius: 3

Gravity: 94.08 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.28 AU - 8.08 AU

Year: 11326 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 55,893,655 km

• M1: 37,399 km (0.083 R)
• M2: 165,754 km (0.082 R)
• M3: 470,934 km (0.074 R)
• M4: 592,408 km (0.115 R)
• M5: 848,669 km (0.088 R)
• M6: 1,124,527 km (0.095 R)
• M7: 1,237,324 km (0.048 R)
• M8: 1,717,533 km (0.106 R)
• M9: 2,118,455 km (0.052 R)
• M10: 2,798,378 km (0.118 R)
• M11: 3,376,274 km (0.101 R)
• M12: 3,747,875 km (0.073 R)
• M13: 4,959,469 km (0.098 R)
• M14: 5,264,199 km (0.095 R)
• M15: 6,649,027 km (0.093 R)
• M16: 7,982,094 km (0.116 R)
• M17: 8,735,319 km (0.048 R)
• M18: 10,935,604 km (0.074 R)
• M19: 11,162,544 km (0.088 R)
• M20: 11,862,513 km (0.064 R)
• M21: 12,162,756 km (0.085 R)
• M22: 12,966,695 km (0.099 R)
• M23: 13,285,189 km (0.051 R)
• M24: 13,478,619 km (0.109 R)
• M25: 16,612,245 km (0.089 R)
• M26: 17,292,167 km (0.107 R)
• M27: 18,386,625 km (0.079 R)
• M28: 18,546,695 km (0.077 R)
• M29: 20,885,508 km (0.107 R)
• M30: 21,855,800 km (0.118 R)
• M31: 23,885,544 km (0.098 R)
• M32: 29,392,990 km (0.076 R)
• M33: 32,907,642 km (0.11 R)
• M34: 41,990,477 km (0.067 R)
• M35: 43,107,823 km (0.04 R)
• M36: 46,135,235 km (0.1 R)
• M37: 46,578,943 km (0.095 R)
• M38: 47,174,941 km (0.044 R)
• M39: 48,230,204 km (0.093 R)
• M40: 51,967,757 km (0.101 R)
• M41: 54,070,654 km (0.113 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 12,013 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit