🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.6

Radius: 8.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.78 AU - 1.02 AU

Year: 589 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,965,087 km

• M1: 100,679 km (0.066 R)
• M2: 616,194 km (0.116 R)
• M3: 959,521 km (0.109 R)
• M4: 1,707,809 km (0.081 R)
• M5: 2,744,523 km (0.107 R)
• M6: 3,120,312 km (0.047 R)
• M7: 3,692,973 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.4

Radius: 9

Gravity: 9.3 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.88 AU - 0.92 AU

Year: 589 Days

Day: 14.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,965,087 km

• M1: 112,198 km (0.106 R)
• M2: 433,834 km (0.11 R)
• M3: 771,177 km (0.068 R)
• M4: 1,056,909 km (0.116 R)
• M5: 1,478,925 km (0.039 R)
• M6: 1,905,278 km (0.085 R)
• M7: 2,253,393 km (0.104 R)
• M8: 2,742,578 km (0.08 R)
• M9: 3,066,756 km (0.092 R)
• M10: 4,063,677 km (0.051 R)
• M11: 4,518,155 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.9

Radius: 8.6

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.74 AU - 1.24 AU

Year: 680 Days

Day: 6.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,965,087 km

• M1: 106,962 km (0.114 R)
• M2: 640,129 km (0.07 R)
• M3: 943,813 km (0.081 R)
• M4: 1,212,640 km (0.111 R)
• M5: 1,706,613 km (0.046 R)
• M6: 2,151,068 km (0.095 R)
• M7: 2,626,789 km (0.086 R)
• M8: 3,831,201 km (0.067 R)
• M9: 5,279,010 km (0.117 R)
• M10: 5,607,527 km (0.025 R)
• M11: 6,386,632 km (0.077 R)
• M12: 6,823,608 km (0.083 R)
• M13: 7,850,747 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.2

Radius: 9.7

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.84 AU - 1.36 AU

Year: 796 Days

Day: 7.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,965,087 km

• M1: 120,576 km (0.109 R)
• M2: 443,707 km (0.095 R)
• M3: 870,959 km (0.058 R)
• M4: 1,294,770 km (0.117 R)
• M5: 1,656,946 km (0.095 R)
• M6: 1,972,747 km (0.12 R)
• M7: 2,478,986 km (0.103 R)
• M8: 2,823,061 km (0.082 R)
• M9: 3,172,971 km (0.097 R)
• M10: 3,580,027 km (0.102 R)
• M11: 6,561,961 km (0.08 R)
• M12: 7,812,150 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.2

Radius: 10.2

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.1 AU - 1.56 AU

Year: 1059 Days

Day: 6.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,965,087 km

• M1: 126,859 km (0.116 R)
• M2: 465,100 km (0.106 R)
• M3: 1,214,735 km (0.064 R)
• M4: 1,750,893 km (0.051 R)
• M5: 2,545,857 km (0.106 R)
• M6: 2,885,593 km (0.081 R)
• M7: 3,255,698 km (0.098 R)
• M8: 5,423,072 km (0.062 R)
• M9: 5,796,917 km (0.117 R)
• M10: 6,435,252 km (0.104 R)
• M11: 6,854,724 km (0.072 R)
• M12: 7,983,590 km (0.082 R)
• M13: 8,440,910 km (0.069 R)
• M14: 8,972,581 km (0.071 R)
• M15: 9,378,590 km (0.073 R)
• M16: 10,072,125 km (0.048 R)
• M17: 11,126,641 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 10.9

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.25 AU - 3.33 AU

Year: 4119 Days

Day: 10 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,965,087 km

• M1: 146,606 km (0.119 R)
• M2: 533,017 km (0.107 R)
• M3: 1,058,106 km (0.089 R)
• M4: 1,881,193 km (0.102 R)
• M5: 2,275,384 km (0.026 R)
• M6: 3,348,748 km (0.098 R)
• M7: 4,440,663 km (0.094 R)
• M8: 6,307,196 km (0.051 R)
• M9: 6,757,336 km (0.111 R)
• M10: 9,204,159 km (0.102 R)
• M11: 11,515,745 km (0.115 R)
• M12: 13,791,129 km (0.093 R)
• M13: 14,596,863 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.6

Radius: 13.4

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.94 AU - 5.38 AU

Year: 8091 Days

Day: 6.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,965,087 km

• M1: 168,447 km (0.099 R)
• M2: 633,846 km (0.042 R)
• M3: 1,081,293 km (0.085 R)
• M4: 1,527,394 km (0.076 R)
• M5: 2,378,157 km (0.103 R)
• M6: 3,299,381 km (0.067 R)
• M7: 5,762,061 km (0.112 R)
• M8: 8,676,527 km (0.108 R)
• M9: 9,488,694 km (0.116 R)
• M10: 10,190,607 km (0.099 R)
• M11: 10,677,398 km (0.12 R)
• M12: 11,393,823 km (0.108 R)
• M13: 13,590,817 km (0.106 R)
• M14: 14,281,660 km (0.111 R)
• M15: 15,308,949 km (0.071 R)
• M16: 16,330,104 km (0.112 R)
• M17: 18,388,720 km (0.098 R)
• M18: 18,990,103 km (0.091 R)
• M19: 20,359,373 km (0.099 R)
• M20: 21,793,418 km (0.065 R)
• M21: 22,946,817 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.8

Radius: 7.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.35 AU - 5.81 AU

Year: 9098 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,965,087 km

• M1: 144,960 km (0.088 R)
• M2: 1,408,015 km (0.102 R)
• M3: 4,999,710 km (0.055 R)
• M4: 8,022,635 km (0.119 R)
• M5: 9,724,310 km (0.073 R)
• M6: 12,572,953 km (0.114 R)
• M7: 16,466,238 km (0.055 R)
• M8: 17,848,522 km (0.106 R)
• M9: 20,841,975 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549

Radius: 4.5

Gravity: 27.11 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 6.05 AU - 8.15 AU

Year: 13059 Days

Day: 22.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,965,087 km

• M1: 56,099 km (0.117 R)
• M2: 520,451 km (0.108 R)
• M3: 669,301 km (0.045 R)
• M4: 827,875 km (0.094 R)
• M5: 1,125,275 km (0.081 R)
• M6: 1,563,597 km (0.073 R)
• M7: 2,473,750 km (0.102 R)
• M8: 2,618,711 km (0.12 R)
• M9: 3,207,977 km (0.103 R)
• M10: 4,310,363 km (0.109 R)
• M11: 4,460,111 km (0.088 R)
• M12: 4,930,447 km (0.095 R)
• M13: 5,750,841 km (0.112 R)
• M14: 5,969,404 km (0.078 R)
• M15: 6,155,653 km (0.12 R)
• M16: 8,193,027 km (0.089 R)
• M17: 8,705,250 km (0.059 R)
• M18: 9,639,937 km (0.073 R)
• M19: 10,585,545 km (0.108 R)
• M20: 11,476,401 km (0.032 R)
• M21: 11,648,887 km (0.104 R)
• M22: 11,823,019 km (0.116 R)
• M23: 16,471,025 km (0.049 R)
• M24: 17,971,491 km (0.077 R)
• M25: 18,994,292 km (0.113 R)
• M26: 20,305,517 km (0.113 R)
• M27: 23,566,751 km (0.058 R)
• M28: 24,126,546 km (0.098 R)
• M29: 25,079,036 km (0.101 R)
• M30: 25,467,093 km (0.082 R)
• M31: 30,549,381 km (0.088 R)
• M32: 32,459,297 km (0.116 R)
• M33: 32,920,059 km (0.111 R)
• M34: 35,047,340 km (0.116 R)
• M35: 41,433,673 km (0.108 R)
• M36: 43,074,014 km (0.074 R)
• M37: 46,483,649 km (0.073 R)
• M38: 47,658,890 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.8

Radius: 4.2

Gravity: 16.94 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 9.1 AU - 11.16 AU

Year: 22255 Days

Day: 20.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 61,965,087 km

• M1: 52,210 km (0.101 R)
• M2: 188,194 km (0.096 R)
• M3: 457,021 km (0.094 R)
• M4: 766,839 km (0.088 R)
• M5: 1,042,996 km (0.101 R)
• M6: 1,298,210 km (0.071 R)
• M7: 1,969,007 km (0.118 R)
• M8: 2,338,364 km (0.066 R)
• M9: 2,965,030 km (0.07 R)
• M10: 3,317,183 km (0.069 R)
• M11: 3,668,589 km (0.091 R)
• M12: 3,838,981 km (0.105 R)
• M13: 4,738,213 km (0.118 R)
• M14: 5,219,021 km (0.032 R)
• M15: 6,521,270 km (0.111 R)
• M16: 7,837,881 km (0.076 R)
• M17: 8,508,977 km (0.087 R)
• M18: 9,269,682 km (0.12 R)
• M19: 9,909,961 km (0.067 R)
• M20: 10,241,021 km (0.117 R)
• M21: 11,457,851 km (0.111 R)
• M22: 15,167,728 km (0.12 R)
• M23: 16,206,386 km (0.114 R)
• M24: 16,820,785 km (0.112 R)
• M25: 18,341,746 km (0.12 R)
• M26: 25,755,966 km (0.064 R)
• M27: 27,661,843 km (0.102 R)
• M28: 29,320,285 km (0.032 R)
• M29: 30,231,187 km (0.096 R)
• M30: 33,445,147 km (0.09 R)
• M31: 33,815,701 km (0.103 R)
• M32: 34,817,259 km (0.103 R)
• M33: 37,142,758 km (0.073 R)
• M34: 38,749,439 km (0.052 R)
• M35: 55,862,238 km (0.086 R)
• M36: 60,126,227 km (0.089 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 15,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit