🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.7

Radius: 12.7

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.72 AU - 0.94 AU

Year: 488 Days

Day: 7.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 160.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,036,140 km

• M1: 157,975 km (0.067 R)
• M2: 797,506 km (0.103 R)
• M3: 1,294,171 km (0.034 R)
• M4: 1,735,634 km (0.083 R)
• M5: 2,166,776 km (0.099 R)
• M6: 2,649,079 km (0.087 R)
• M7: 3,215,008 km (0.106 R)
• M8: 4,545,232 km (0.057 R)
• M9: 5,360,690 km (0.103 R)
• M10: 5,840,450 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.5

Radius: 12.9

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.79 AU - 1.29 AU

Year: 685 Days

Day: 6.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,036,140 km

• M1: 160,369 km (0.046 R)
• M2: 713,582 km (0.095 R)
• M3: 1,236,127 km (0.1 R)
• M4: 1,820,008 km (0.097 R)
• M5: 2,476,742 km (0.115 R)
• M6: 3,147,090 km (0.114 R)
• M7: 4,175,277 km (0.069 R)
• M8: 4,767,684 km (0.092 R)
• M9: 5,252,980 km (0.094 R)
• M10: 5,867,079 km (0.077 R)
• M11: 6,633,319 km (0.103 R)
• M12: 7,930,333 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.7

Radius: 12

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.03 AU - 2.17 AU

Year: 1965 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 43,036,140 km

• M1: 149,448 km (0.118 R)
• M2: 631,602 km (0.113 R)
• M3: 1,205,011 km (0.117 R)
• M4: 1,836,613 km (0.091 R)
• M5: 2,581,311 km (0.104 R)
• M6: 3,024,420 km (0.05 R)
• M7: 3,712,421 km (0.097 R)
• M8: 4,279,995 km (0.112 R)
• M9: 4,796,706 km (0.061 R)
• M10: 5,637,745 km (0.1 R)
• M11: 6,468,462 km (0.059 R)
• M12: 7,207,476 km (0.082 R)
• M13: 7,641,908 km (0.053 R)
• M14: 8,063,026 km (0.031 R)
• M15: 8,853,800 km (0.091 R)
• M16: 9,870,318 km (0.081 R)
• M17: 10,298,018 km (0.073 R)
• M18: 11,344,605 km (0.082 R)
• M19: 12,378,625 km (0.11 R)
• M20: 12,960,860 km (0.094 R)
• M21: 14,046,043 km (0.073 R)
• M22: 15,858,571 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.7

Radius: 11.9

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.71 AU - 2.79 AU

Year: 2179 Days

Day: 13.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 51.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,036,140 km

• M1: 148,999 km (0.07 R)
• M2: 716,723 km (0.099 R)
• M3: 1,187,957 km (0.11 R)
• M4: 1,823,897 km (0.118 R)
• M5: 2,258,180 km (0.111 R)
• M6: 3,923,653 km (0.098 R)
• M7: 6,069,784 km (0.114 R)
• M8: 6,969,615 km (0.086 R)
• M9: 8,104,315 km (0.064 R)
• M10: 8,905,561 km (0.056 R)
• M11: 11,214,156 km (0.106 R)
• M12: 12,130,592 km (0.111 R)
• M13: 15,134,966 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.2

Radius: 12.5

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.87 AU - 3.09 AU

Year: 2522 Days

Day: 6.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,036,140 km

• M1: 155,731 km (0.09 R)
• M2: 591,510 km (0.073 R)
• M3: 980,464 km (0.096 R)
• M4: 1,542,803 km (0.106 R)
• M5: 1,979,030 km (0.073 R)
• M6: 2,946,629 km (0.039 R)
• M7: 3,361,165 km (0.108 R)
• M8: 3,878,474 km (0.102 R)
• M9: 4,865,521 km (0.109 R)
• M10: 6,013,236 km (0.077 R)
• M11: 7,040,674 km (0.108 R)
• M12: 8,208,585 km (0.04 R)
• M13: 8,643,765 km (0.081 R)
• M14: 9,037,207 km (0.096 R)
• M15: 11,056,330 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.8

Radius: 14.5

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.63 AU - 4.15 AU

Year: 4030 Days

Day: 12.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,036,140 km

• M1: 180,265 km (0.08 R)
• M2: 691,292 km (0.053 R)
• M3: 1,944,174 km (0.113 R)
• M4: 3,413,823 km (0.074 R)
• M5: 4,872,103 km (0.114 R)
• M6: 6,044,801 km (0.105 R)
• M7: 7,330,894 km (0.075 R)
• M8: 8,309,563 km (0.115 R)
• M9: 8,906,908 km (0.078 R)
• M10: 9,938,684 km (0.082 R)
• M11: 10,612,473 km (0.115 R)
• M12: 13,163,715 km (0.078 R)
• M13: 13,719,471 km (0.113 R)
• M14: 14,449,210 km (0.07 R)
• M15: 14,986,266 km (0.074 R)
• M16: 16,795,054 km (0.096 R)
• M17: 23,976,500 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.4

Radius: 8.3

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.24 AU - 3.78 AU

Year: 4246 Days

Day: 6.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,036,140 km

• M1: 103,223 km (0.069 R)
• M2: 413,937 km (0.091 R)
• M3: 894,595 km (0.111 R)
• M4: 1,311,973 km (0.106 R)
• M5: 2,335,522 km (0.111 R)
• M6: 2,791,496 km (0.107 R)
• M7: 3,524,526 km (0.068 R)
• M8: 3,838,532 km (0.085 R)
• M9: 6,044,502 km (0.118 R)
• M10: 8,200,955 km (0.099 R)
• M11: 9,254,274 km (0.102 R)
• M12: 9,977,430 km (0.036 R)
• M13: 12,421,261 km (0.101 R)
• M14: 14,116,953 km (0.098 R)
• M15: 14,911,916 km (0.106 R)
• M16: 15,680,550 km (0.1 R)
• M17: 19,021,070 km (0.068 R)
• M18: 19,404,938 km (0.099 R)
• M19: 19,794,042 km (0.067 R)
• M20: 23,386,934 km (0.106 R)
• M21: 24,124,601 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.3

Radius: 12.9

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.12 AU - 5.72 AU

Year: 7046 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,036,140 km

• M1: 165,455 km (0.105 R)
• M2: 1,316,312 km (0.112 R)
• M3: 2,001,769 km (0.119 R)
• M4: 4,146,554 km (0.05 R)
• M5: 5,866,032 km (0.09 R)
• M6: 6,594,125 km (0.061 R)
• M7: 9,541,651 km (0.096 R)
• M8: 12,573,851 km (0.062 R)
• M9: 13,401,276 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.4

Radius: 3.2

Gravity: 15.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 5.19 AU - 7.51 AU

Year: 10332 Days

Day: 15 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,036,140 km

• M1: 39,793 km (0.104 R)
• M2: 238,459 km (0.109 R)
• M3: 384,915 km (0.091 R)
• M4: 641,476 km (0.091 R)
• M5: 754,123 km (0.118 R)
• M6: 939,175 km (0.089 R)
• M7: 1,047,484 km (0.089 R)
• M8: 1,235,828 km (0.104 R)
• M9: 1,458,280 km (0.072 R)
• M10: 1,759,421 km (0.119 R)
• M11: 2,070,584 km (0.112 R)
• M12: 2,535,086 km (0.084 R)
• M13: 4,774,416 km (0.044 R)
• M14: 5,548,136 km (0.083 R)
• M15: 5,724,363 km (0.083 R)
• M16: 7,270,008 km (0.035 R)
• M17: 7,445,486 km (0.087 R)
• M18: 12,107,404 km (0.106 R)
• M19: 14,229,450 km (0.089 R)
• M20: 15,464,381 km (0.116 R)
• M21: 16,526,376 km (0.117 R)
• M22: 17,573,112 km (0.073 R)
• M23: 20,002,582 km (0.063 R)
• M24: 20,347,255 km (0.064 R)
• M25: 24,481,093 km (0.113 R)
• M26: 24,875,284 km (0.063 R)
• M27: 25,273,663 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 189.6

Radius: 7.9

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.11 AU - 10.01 AU

Year: 16171 Days

Day: 24.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,036,140 km

• M1: 98,286 km (0.073 R)
• M2: 374,593 km (0.083 R)
• M3: 835,654 km (0.116 R)
• M4: 1,156,392 km (0.097 R)
• M5: 2,664,936 km (0.101 R)
• M6: 3,348,150 km (0.112 R)
• M7: 4,196,370 km (0.053 R)
• M8: 4,471,331 km (0.053 R)
• M9: 7,966,685 km (0.1 R)
• M10: 9,372,905 km (0.074 R)
• M11: 12,275,104 km (0.095 R)
• M12: 13,012,322 km (0.072 R)
• M13: 14,203,719 km (0.108 R)
• M14: 15,336,624 km (0.079 R)
• M15: 15,661,850 km (0.096 R)
• M16: 19,930,775 km (0.084 R)
• M17: 20,318,233 km (0.103 R)
• M18: 21,348,813 km (0.104 R)
• M19: 21,836,053 km (0.116 R)
• M20: 24,472,566 km (0.095 R)
• M21: 28,470,569 km (0.072 R)
• M22: 32,136,016 km (0.09 R)
• M23: 32,883,557 km (0.104 R)
• M24: 33,751,972 km (0.101 R)
• M25: 34,413,345 km (0.059 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 20,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit