🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 14.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.46 AU - 0.64 AU

Year: 287 Days

Day: 13.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,247,541 km

• M1: 186,698 km (0.107 R)
• M2: 679,922 km (0.059 R)
• M3: 1,206,357 km (0.095 R)
• M4: 1,668,016 km (0.12 R)
• M5: 2,141,045 km (0.083 R)
• M6: 2,888,436 km (0.056 R)
• M7: 3,697,910 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389

Radius: 12.1

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.55 AU - 0.61 AU

Year: 310 Days

Day: 7.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,247,541 km

• M1: 155,133 km (0.084 R)
• M2: 585,975 km (0.115 R)
• M3: 985,551 km (0.119 R)
• M4: 1,647,671 km (0.027 R)
• M5: 2,059,514 km (0.107 R)
• M6: 2,954,708 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.8

Radius: 12.7

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.79 AU - 0.93 AU

Year: 561 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,247,541 km

• M1: 157,975 km (0.112 R)
• M2: 564,882 km (0.045 R)
• M3: 1,000,810 km (0.103 R)
• M4: 1,564,794 km (0.047 R)
• M5: 2,096,913 km (0.072 R)
• M6: 2,682,290 km (0.102 R)
• M7: 3,722,743 km (0.027 R)
• M8: 4,244,241 km (0.052 R)
• M9: 5,635,501 km (0.104 R)
• M10: 6,506,909 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.6

Radius: 13.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.1 AU - 1.34 AU

Year: 947 Days

Day: 11.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,247,541 km

• M1: 166,652 km (0.029 R)
• M2: 651,200 km (0.063 R)
• M3: 1,766,302 km (0.071 R)
• M4: 2,188,318 km (0.069 R)
• M5: 2,666,881 km (0.113 R)
• M6: 3,121,210 km (0.106 R)
• M7: 3,916,622 km (0.113 R)
• M8: 4,371,250 km (0.119 R)
• M9: 4,825,130 km (0.114 R)
• M10: 5,272,128 km (0.099 R)
• M11: 5,767,148 km (0.066 R)
• M12: 6,271,592 km (0.064 R)
• M13: 6,805,357 km (0.116 R)
• M14: 8,352,498 km (0.085 R)
• M15: 8,999,957 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 10.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.57 AU - 1.73 AU

Year: 1490 Days

Day: 5.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 78,247,541 km

• M1: 127,607 km (0.116 R)
• M2: 499,507 km (0.093 R)
• M3: 1,185,862 km (0.089 R)
• M4: 1,598,004 km (0.118 R)
• M5: 1,938,489 km (0.115 R)
• M6: 2,362,599 km (0.104 R)
• M7: 2,743,326 km (0.113 R)
• M8: 3,953,423 km (0.08 R)
• M9: 4,314,103 km (0.108 R)
• M10: 5,405,719 km (0.106 R)
• M11: 10,837,468 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.3

Radius: 12.3

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.89 AU - 2.97 AU

Year: 3525 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,247,541 km

• M1: 153,039 km (0.103 R)
• M2: 637,287 km (0.115 R)
• M3: 1,393,654 km (0.105 R)
• M4: 3,175,963 km (0.112 R)
• M5: 5,505,650 km (0.056 R)
• M6: 7,509,813 km (0.062 R)
• M7: 9,238,566 km (0.119 R)
• M8: 11,517,241 km (0.096 R)
• M9: 11,908,589 km (0.084 R)
• M10: 14,446,666 km (0.088 R)
• M11: 15,211,261 km (0.091 R)
• M12: 17,269,429 km (0.107 R)
• M13: 20,504,632 km (0.056 R)
• M14: 21,931,646 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 11.5

Gravity: 6.59 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.98 AU - 4.34 AU

Year: 5964 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,247,541 km

• M1: 143,016 km (0.12 R)
• M2: 702,063 km (0.109 R)
• M3: 1,224,459 km (0.104 R)
• M4: 1,701,077 km (0.085 R)
• M5: 2,300,516 km (0.065 R)
• M6: 3,160,105 km (0.075 R)
• M7: 4,669,997 km (0.103 R)
• M8: 6,545,505 km (0.03 R)
• M9: 9,264,596 km (0.064 R)
• M10: 11,566,758 km (0.114 R)
• M11: 12,289,016 km (0.059 R)
• M12: 13,710,196 km (0.097 R)
• M13: 19,622,304 km (0.041 R)
• M14: 22,812,179 km (0.053 R)
• M15: 24,279,585 km (0.087 R)
• M16: 25,982,757 km (0.051 R)
• M17: 28,221,938 km (0.111 R)
• M18: 28,591,743 km (0.09 R)
• M19: 29,720,759 km (0.082 R)
• M20: 31,272,088 km (0.116 R)
• M21: 33,492,420 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.4

Radius: 6.8

Gravity: 14.22 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 5.05 AU - 6.45 AU

Year: 9692 Days

Day: 15.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,247,541 km

• M1: 84,822 km (0.108 R)
• M2: 332,257 km (0.054 R)
• M3: 669,151 km (0.038 R)
• M4: 1,474,885 km (0.043 R)
• M5: 2,332,081 km (0.091 R)
• M6: 3,064,812 km (0.1 R)
• M7: 3,460,199 km (0.036 R)
• M8: 4,731,631 km (0.06 R)
• M9: 5,931,556 km (0.099 R)
• M10: 6,179,589 km (0.031 R)
• M11: 7,362,459 km (0.075 R)
• M12: 7,649,238 km (0.118 R)
• M13: 11,531,901 km (0.105 R)
• M14: 12,602,723 km (0.096 R)
• M15: 13,861,589 km (0.098 R)
• M16: 14,236,182 km (0.096 R)
• M17: 16,557,193 km (0.092 R)
• M18: 19,818,427 km (0.101 R)
• M19: 20,939,663 km (0.118 R)
• M20: 22,786,149 km (0.087 R)
• M21: 26,321,745 km (0.045 R)
• M22: 27,283,959 km (0.09 R)
• M23: 27,577,021 km (0.084 R)
• M24: 29,585,522 km (0.109 R)
• M25: 31,797,177 km (0.115 R)
• M26: 34,116,692 km (0.103 R)
• M27: 38,229,287 km (0.113 R)
• M28: 39,337,807 km (0.118 R)
• M29: 41,232,764 km (0.079 R)
• M30: 41,748,278 km (0.044 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.8

Radius: 6.2

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 6.99 AU - 7.95 AU

Year: 14351 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,247,541 km

• M1: 77,193 km (0.074 R)
• M2: 611,107 km (0.112 R)
• M3: 1,122,882 km (0.117 R)
• M4: 1,807,591 km (0.083 R)
• M5: 2,020,170 km (0.1 R)
• M6: 2,231,402 km (0.041 R)
• M7: 2,719,240 km (0.089 R)
• M8: 3,347,402 km (0.088 R)
• M9: 3,619,221 km (0.108 R)
• M10: 4,764,094 km (0.091 R)
• M11: 6,241,672 km (0.083 R)
• M12: 10,169,065 km (0.11 R)
• M13: 10,426,074 km (0.063 R)
• M14: 11,889,590 km (0.114 R)
• M15: 14,820,362 km (0.08 R)
• M16: 20,310,155 km (0.117 R)
• M17: 21,634,694 km (0.057 R)
• M18: 22,404,525 km (0.098 R)
• M19: 31,676,302 km (0.093 R)
• M20: 34,482,608 km (0.1 R)
• M21: 41,622,915 km (0.102 R)
• M22: 42,016,806 km (0.114 R)
• M23: 42,546,083 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.1

Radius: 7

Gravity: 11.98 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 9 AU - 11.18 AU

Year: 22529 Days

Day: 17.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 78,247,541 km

• M1: 87,066 km (0.053 R)
• M2: 389,553 km (0.098 R)
• M3: 640,279 km (0.074 R)
• M4: 1,591,572 km (0.099 R)
• M5: 2,921,497 km (0.079 R)
• M6: 3,213,661 km (0.115 R)
• M7: 3,438,208 km (0.08 R)
• M8: 6,258,128 km (0.097 R)
• M9: 7,067,901 km (0.091 R)
• M10: 7,744,532 km (0.047 R)
• M11: 8,730,981 km (0.089 R)
• M12: 10,273,185 km (0.06 R)
• M13: 10,639,101 km (0.102 R)
• M14: 11,076,974 km (0.094 R)
• M15: 11,461,890 km (0.096 R)
• M16: 13,448,849 km (0.063 R)
• M17: 16,969,784 km (0.117 R)
• M18: 17,309,670 km (0.079 R)
• M19: 22,762,812 km (0.064 R)
• M20: 25,763,446 km (0.1 R)
• M21: 26,781,310 km (0.058 R)
• M22: 29,626,512 km (0.096 R)
• M23: 34,127,463 km (0.056 R)
• M24: 37,321,078 km (0.093 R)
• M25: 37,896,133 km (0.087 R)
• M26: 42,088,015 km (0.115 R)
• M27: 49,801,430 km (0.108 R)
• M28: 50,498,407 km (0.095 R)
• M29: 54,448,239 km (0.059 R)
• M30: 55,746,899 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 19,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit