🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.8

Radius: 10.1

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.8 AU - 0.84 AU

Year: 522 Days

Day: 8.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,116,381 km

• M1: 125,662 km (0.116 R)
• M2: 454,628 km (0.08 R)
• M3: 786,885 km (0.081 R)
• M4: 1,362,687 km (0.056 R)
• M5: 1,999,974 km (0.037 R)
• M6: 2,357,662 km (0.097 R)
• M7: 3,191,521 km (0.105 R)
• M8: 3,629,394 km (0.038 R)
• M9: 4,285,680 km (0.098 R)
• M10: 4,820,193 km (0.031 R)
• M11: 5,613,660 km (0.1 R)
• M12: 6,003,662 km (0.106 R)
• M13: 6,755,690 km (0.103 R)
• M14: 7,154,668 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.6

Radius: 13.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.83 AU - 1.07 AU

Year: 651 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,116,381 km

• M1: 164,109 km (0.059 R)
• M2: 668,702 km (0.112 R)
• M3: 1,103,135 km (0.111 R)
• M4: 1,541,456 km (0.072 R)
• M5: 1,971,550 km (0.082 R)
• M6: 2,472,404 km (0.056 R)
• M7: 2,891,876 km (0.043 R)
• M8: 3,359,220 km (0.109 R)
• M9: 3,777,795 km (0.093 R)
• M10: 4,904,566 km (0.059 R)
• M11: 5,778,966 km (0.097 R)
• M12: 6,283,859 km (0.068 R)
• M13: 6,818,073 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.6

Radius: 14.3

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.13 AU - 1.25 AU

Year: 912 Days

Day: 13.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 83,116,381 km

• M1: 178,021 km (0.064 R)
• M2: 666,608 km (0.092 R)
• M3: 1,265,000 km (0.057 R)
• M4: 3,196,757 km (0.081 R)
• M5: 4,372,895 km (0.119 R)
• M6: 5,488,447 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.8

Radius: 8.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.3 AU - 1.84 AU

Year: 1383 Days

Day: 5.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,116,381 km

• M1: 110,852 km (0.059 R)
• M2: 419,472 km (0.072 R)
• M3: 830,119 km (0.039 R)
• M4: 1,163,123 km (0.084 R)
• M5: 1,551,480 km (0.082 R)
• M6: 1,857,258 km (0.086 R)
• M7: 2,182,184 km (0.1 R)
• M8: 2,753,798 km (0.083 R)
• M9: 3,082,165 km (0.044 R)
• M10: 4,296,451 km (0.118 R)
• M11: 5,352,462 km (0.099 R)
• M12: 6,922,342 km (0.114 R)
• M13: 8,366,710 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.5

Radius: 12

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.7 AU - 2.58 AU

Year: 2201 Days

Day: 14.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,116,381 km

• M1: 149,598 km (0.075 R)
• M2: 740,809 km (0.059 R)
• M3: 1,561,353 km (0.073 R)
• M4: 2,030,043 km (0.059 R)
• M5: 2,965,628 km (0.116 R)
• M6: 3,897,773 km (0.068 R)
• M7: 4,859,836 km (0.059 R)
• M8: 6,076,067 km (0.086 R)
• M9: 8,251,220 km (0.065 R)
• M10: 9,410,155 km (0.09 R)
• M11: 11,367,643 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.5

Radius: 8.1

Gravity: 14.21 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.99 AU - 2.91 AU

Year: 2696 Days

Day: 12.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,116,381 km

• M1: 100,679 km (0.041 R)
• M2: 372,798 km (0.099 R)
• M3: 633,397 km (0.09 R)
• M4: 991,235 km (0.101 R)
• M5: 1,350,270 km (0.07 R)
• M6: 1,621,641 km (0.074 R)
• M7: 2,290,942 km (0.098 R)
• M8: 2,875,720 km (0.107 R)
• M9: 4,017,750 km (0.08 R)
• M10: 4,384,115 km (0.075 R)
• M11: 4,702,310 km (0.084 R)
• M12: 4,963,209 km (0.1 R)
• M13: 5,410,955 km (0.113 R)
• M14: 5,777,769 km (0.06 R)
• M15: 6,301,810 km (0.051 R)
• M16: 6,797,278 km (0.11 R)
• M17: 7,287,211 km (0.102 R)
• M18: 7,965,488 km (0.099 R)
• M19: 13,941,774 km (0.118 R)
• M20: 16,784,731 km (0.098 R)
• M21: 18,487,903 km (0.028 R)
• M22: 22,167,861 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.3

Radius: 9.9

Gravity: 8.69 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.94 AU - 3.6 AU

Year: 4157 Days

Day: 14.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,116,381 km

• M1: 123,119 km (0.086 R)
• M2: 475,422 km (0.103 R)
• M3: 1,033,572 km (0.056 R)
• M4: 1,630,168 km (0.098 R)
• M5: 2,491,852 km (0.054 R)
• M6: 4,648,305 km (0.119 R)
• M7: 5,195,983 km (0.062 R)
• M8: 5,556,364 km (0.079 R)
• M9: 5,933,201 km (0.088 R)
• M10: 7,303,368 km (0.118 R)
• M11: 8,452,130 km (0.073 R)
• M12: 9,717,279 km (0.095 R)
• M13: 10,052,379 km (0.07 R)
• M14: 11,704,089 km (0.07 R)
• M15: 12,768,029 km (0.108 R)
• M16: 13,221,310 km (0.112 R)
• M17: 14,591,627 km (0.05 R)
• M18: 17,674,390 km (0.047 R)
• M19: 18,237,776 km (0.06 R)
• M20: 18,813,129 km (0.081 R)
• M21: 19,665,538 km (0.03 R)
• M22: 20,270,661 km (0.03 R)
• M23: 24,471,818 km (0.102 R)
• M24: 27,435,501 km (0.117 R)
• M25: 27,853,478 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 959.2

Radius: 7.4

Gravity: 17.52 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.97 AU - 11.23 AU

Year: 19296 Days

Day: 15.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,116,381 km

• M1: 92,751 km (0.047 R)
• M2: 600,785 km (0.093 R)
• M3: 1,358,349 km (0.078 R)
• M4: 1,781,262 km (0.096 R)
• M5: 2,311,287 km (0.096 R)
• M6: 2,687,077 km (0.066 R)
• M7: 2,968,471 km (0.118 R)
• M8: 3,241,337 km (0.098 R)
• M9: 3,501,338 km (0.101 R)
• M10: 4,470,284 km (0.044 R)
• M11: 5,772,383 km (0.119 R)
• M12: 6,465,470 km (0.07 R)
• M13: 8,822,385 km (0.119 R)
• M14: 10,284,405 km (0.114 R)
• M15: 13,165,361 km (0.102 R)
• M16: 14,439,336 km (0.066 R)
• M17: 17,317,450 km (0.102 R)
• M18: 17,757,566 km (0.089 R)
• M19: 19,122,946 km (0.041 R)
• M20: 19,974,906 km (0.064 R)
• M21: 20,556,842 km (0.114 R)
• M22: 27,963,432 km (0.044 R)
• M23: 30,567,034 km (0.025 R)
• M24: 31,730,756 km (0.061 R)
• M25: 37,407,696 km (0.114 R)
• M26: 41,808,416 km (0.115 R)
• M27: 43,888,575 km (0.119 R)
• M28: 46,711,486 km (0.031 R)
• M29: 47,564,344 km (0.1 R)
• M30: 52,166,722 km (0.116 R)
• M31: 52,900,201 km (0.12 R)
• M32: 60,818,715 km (0.089 R)
• M33: 65,164,683 km (0.112 R)
• M34: 67,956,179 km (0.113 R)
• M35: 71,500,003 km (0.096 R)
• M36: 72,632,309 km (0.055 R)
• M37: 73,546,652 km (0.112 R)
• M38: 75,398,374 km (0.081 R)
• M39: 80,163,216 km (0.196 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: 237 - 16,072 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit