🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 12.8

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.78 AU - 0.94 AU

Year: 532 Days

Day: 10.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 39,980,090 km

• M1: 159,172 km (0.106 R)
• M2: 610,210 km (0.105 R)
• M3: 1,198,578 km (0.025 R)
• M4: 1,750,594 km (0.115 R)
• M5: 2,191,609 km (0.075 R)
• M6: 3,230,865 km (0.029 R)
• M7: 3,931,282 km (0.096 R)
• M8: 4,468,040 km (0.076 R)
• M9: 5,888,771 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 11

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.33 AU - 1.37 AU

Year: 1046 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,980,090 km

• M1: 136,732 km (0.053 R)
• M2: 638,783 km (0.1 R)
• M3: 1,229,545 km (0.072 R)
• M4: 1,698,385 km (0.098 R)
• M5: 2,043,956 km (0.11 R)
• M6: 2,448,917 km (0.101 R)
• M7: 3,333,190 km (0.111 R)
• M8: 3,832,997 km (0.094 R)
• M9: 4,828,122 km (0.112 R)
• M10: 5,202,416 km (0.085 R)
• M11: 5,617,550 km (0.108 R)
• M12: 6,585,298 km (0.094 R)
• M13: 7,375,025 km (0.112 R)
• M14: 7,953,820 km (0.085 R)
• M15: 8,365,663 km (0.11 R)
• M16: 8,936,977 km (0.088 R)
• M17: 9,534,022 km (0.048 R)
• M18: 10,030,687 km (0.064 R)
• M19: 10,774,936 km (0.084 R)
• M20: 11,279,829 km (0.078 R)
• M21: 11,800,430 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.4

Radius: 8.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.23 AU - 1.57 AU

Year: 1105 Days

Day: 10.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,980,090 km

• M1: 110,702 km (0.112 R)
• M2: 464,651 km (0.108 R)
• M3: 744,848 km (0.09 R)
• M4: 1,070,074 km (0.079 R)
• M5: 1,475,783 km (0.104 R)
• M6: 2,155,556 km (0.086 R)
• M7: 2,727,020 km (0.036 R)
• M8: 3,080,519 km (0.07 R)
• M9: 3,464,537 km (0.096 R)
• M10: 4,062,031 km (0.071 R)
• M11: 4,377,533 km (0.037 R)
• M12: 5,220,666 km (0.076 R)
• M13: 5,710,001 km (0.085 R)
• M14: 6,066,493 km (0.07 R)
• M15: 6,586,196 km (0.096 R)
• M16: 6,890,029 km (0.111 R)
• M17: 8,126,156 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 14.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.77 AU - 2.11 AU

Year: 1802 Days

Day: 8.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,980,090 km

• M1: 178,321 km (0.074 R)
• M2: 667,057 km (0.11 R)
• M3: 1,225,207 km (0.083 R)
• M4: 2,044,105 km (0.068 R)
• M5: 2,675,408 km (0.04 R)
• M6: 3,132,430 km (0.076 R)
• M7: 3,658,416 km (0.078 R)
• M8: 4,771,424 km (0.115 R)
• M9: 6,431,212 km (0.096 R)
• M10: 8,275,904 km (0.08 R)
• M11: 11,420,900 km (0.085 R)
• M12: 13,025,038 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 13.5

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.85 AU - 2.95 AU

Year: 2479 Days

Day: 10.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,980,090 km

• M1: 167,998 km (0.102 R)
• M2: 653,294 km (0.111 R)
• M3: 1,418,038 km (0.091 R)
• M4: 2,088,386 km (0.096 R)
• M5: 2,598,814 km (0.111 R)
• M6: 5,081,840 km (0.091 R)
• M7: 5,634,454 km (0.074 R)
• M8: 6,691,513 km (0.078 R)
• M9: 8,097,882 km (0.092 R)
• M10: 10,318,962 km (0.105 R)
• M11: 13,815,962 km (0.106 R)
• M12: 15,090,236 km (0.116 R)
• M13: 16,236,455 km (0.107 R)
• M14: 17,067,322 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 14.5

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.46 AU - 3.24 AU

Year: 3208 Days

Day: 5.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,980,090 km

• M1: 180,415 km (0.082 R)
• M2: 645,964 km (0.088 R)
• M3: 1,139,637 km (0.049 R)
• M4: 2,069,986 km (0.116 R)
• M5: 2,828,746 km (0.112 R)
• M6: 3,670,683 km (0.102 R)
• M7: 4,256,807 km (0.07 R)
• M8: 5,567,734 km (0.056 R)
• M9: 6,745,817 km (0.115 R)
• M10: 8,250,771 km (0.072 R)
• M11: 8,869,658 km (0.076 R)
• M12: 10,395,406 km (0.079 R)
• M13: 11,660,705 km (0.115 R)
• M14: 13,488,941 km (0.076 R)
• M15: 15,144,690 km (0.065 R)
• M16: 15,916,765 km (0.083 R)
• M17: 17,764,298 km (0.102 R)
• M18: 19,211,209 km (0.086 R)
• M19: 20,055,091 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.1

Radius: 14.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.94 AU - 4.5 AU

Year: 4785 Days

Day: 11.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,980,090 km

• M1: 177,872 km (0.09 R)
• M2: 719,416 km (0.1 R)
• M3: 1,285,794 km (0.105 R)
• M4: 2,165,429 km (0.033 R)
• M5: 3,088,897 km (0.118 R)
• M6: 3,896,426 km (0.057 R)
• M7: 14,236,182 km (0.064 R)
• M8: 15,165,035 km (0.115 R)
• M9: 15,644,497 km (0.082 R)
• M10: 18,798,020 km (0.109 R)
• M11: 23,114,816 km (0.059 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.8

Radius: 9.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.3 AU - 4.34 AU

Year: 4979 Days

Day: 5.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,980,090 km

• M1: 116,836 km (0.053 R)
• M2: 453,880 km (0.047 R)
• M3: 845,677 km (0.059 R)
• M4: 1,211,892 km (0.104 R)
• M5: 1,540,260 km (0.047 R)
• M6: 3,887,899 km (0.084 R)
• M7: 4,220,455 km (0.076 R)
• M8: 6,443,330 km (0.096 R)
• M9: 8,194,672 km (0.117 R)
• M10: 9,386,219 km (0.086 R)
• M11: 9,915,496 km (0.077 R)
• M12: 10,614,268 km (0.106 R)
• M13: 10,918,101 km (0.104 R)
• M14: 11,986,978 km (0.064 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 11.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 3.43 AU - 5.21 AU

Year: 5988 Days

Day: 7.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,980,090 km

• M1: 140,622 km (0.106 R)
• M2: 507,286 km (0.063 R)
• M3: 873,801 km (0.112 R)
• M4: 1,623,286 km (0.033 R)
• M5: 2,131,770 km (0.103 R)
• M6: 2,489,757 km (0.103 R)
• M7: 2,906,387 km (0.079 R)
• M8: 3,882,065 km (0.101 R)
• M9: 4,671,194 km (0.063 R)
• M10: 5,422,025 km (0.084 R)
• M11: 6,599,510 km (0.098 R)
• M12: 7,544,969 km (0.081 R)
• M13: 9,250,684 km (0.101 R)
• M14: 11,432,269 km (0.068 R)
• M15: 12,344,816 km (0.119 R)
• M16: 13,305,085 km (0.118 R)
• M17: 13,936,986 km (0.11 R)
• M18: 14,369,175 km (0.108 R)
• M19: 14,754,688 km (0.032 R)
• M20: 18,934,004 km (0.07 R)
• M21: 22,194,639 km (0.069 R)
• M22: 23,460,985 km (0.119 R)
• M23: 27,548,897 km (0.109 R)
• M24: 28,230,465 km (0.081 R)
• M25: 29,894,442 km (0.05 R)

Planet 10 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.9

Radius: 14.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.53 AU - 5.47 AU

Year: 6366 Days

Day: 7.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,980,090 km

• M1: 182,061 km (0.096 R)
• M2: 810,970 km (0.09 R)
• M3: 1,288,636 km (0.048 R)
• M4: 1,745,807 km (0.062 R)
• M5: 2,964,880 km (0.078 R)
• M6: 3,457,506 km (0.118 R)
• M7: 5,398,987 km (0.106 R)
• M8: 6,006,654 km (0.092 R)
• M9: 7,245,922 km (0.086 R)
• M10: 7,787,168 km (0.087 R)
• M11: 8,907,656 km (0.073 R)
• M12: 13,542,048 km (0.101 R)
• M13: 16,243,636 km (0.115 R)
• M14: 17,999,317 km (0.04 R)
• M15: 19,507,263 km (0.091 R)
• M16: 20,482,043 km (0.076 R)
• M17: 21,805,685 km (0.032 R)
• M18: 25,495,666 km (0.096 R)
• M19: 26,570,227 km (0.088 R)
• M20: 29,098,132 km (0.042 R)
• M21: 31,476,290 km (0.096 R)
• M22: 34,303,839 km (0.101 R)
• M23: 37,069,156 km (0.103 R)
• M24: 37,754,463 km (0.096 R)
• M25: 38,798,058 km (0.032 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: 377 - 17,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit