🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.2

Radius: 11.9

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.94 AU - 1.02 AU

Year: 626 Days

Day: 5.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 35,624,033 km

• M1: 149,299 km (0.051 R)
• M2: 532,120 km (0.041 R)
• M3: 1,110,914 km (0.098 R)
• M4: 1,504,655 km (0.102 R)
• M5: 2,252,046 km (0.114 R)
• M6: 3,026,215 km (0.039 R)
• M7: 3,476,056 km (0.083 R)
• M8: 3,970,327 km (0.073 R)
• M9: 4,574,404 km (0.085 R)
• M10: 5,221,564 km (0.095 R)
• M11: 5,741,716 km (0.067 R)
• M12: 6,217,736 km (0.099 R)
• M13: 6,886,289 km (0.07 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.2

Radius: 8.8

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.07 AU - 1.53 AU

Year: 957 Days

Day: 12.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,624,033 km

• M1: 127,906 km (0.058 R)
• M2: 448,046 km (0.082 R)
• M3: 1,552,377 km (0.099 R)
• M4: 1,853,518 km (0.095 R)
• M5: 3,163,696 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.6

Radius: 13.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.63 AU - 2.31 AU

Year: 1785 Days

Day: 7.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,624,033 km

• M1: 170,392 km (0.102 R)
• M2: 650,751 km (0.103 R)
• M3: 1,124,976 km (0.056 R)
• M4: 1,561,802 km (0.099 R)
• M5: 2,080,308 km (0.111 R)
• M6: 2,645,040 km (0.06 R)
• M7: 3,185,088 km (0.1 R)
• M8: 3,625,205 km (0.072 R)
• M9: 4,918,928 km (0.116 R)
• M10: 6,323,801 km (0.1 R)
• M11: 8,070,057 km (0.049 R)
• M12: 8,676,677 km (0.093 R)
• M13: 10,503,416 km (0.077 R)
• M14: 11,079,966 km (0.086 R)
• M15: 11,526,217 km (0.094 R)
• M16: 12,139,867 km (0.034 R)
• M17: 12,856,291 km (0.087 R)
• M18: 13,516,616 km (0.098 R)
• M19: 15,175,806 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 13.5

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.76 AU - 2.56 AU

Year: 2050 Days

Day: 12.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 35,624,033 km

• M1: 168,447 km (0.067 R)
• M2: 594,203 km (0.101 R)
• M3: 1,123,031 km (0.118 R)
• M4: 1,575,714 km (0.085 R)
• M5: 2,197,742 km (0.119 R)
• M6: 2,910,726 km (0.094 R)
• M7: 4,646,659 km (0.115 R)
• M8: 5,498,171 km (0.081 R)
• M9: 5,939,185 km (0.028 R)
• M10: 6,718,740 km (0.083 R)
• M11: 7,353,932 km (0.059 R)
• M12: 8,395,881 km (0.104 R)
• M13: 9,409,706 km (0.073 R)
• M14: 10,772,842 km (0.113 R)
• M15: 11,466,378 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.8

Radius: 14

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.35 AU - 3.47 AU

Year: 4066 Days

Day: 8.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 146.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,624,033 km

• M1: 174,581 km (0.08 R)
• M2: 745,446 km (0.119 R)
• M3: 1,222,364 km (0.031 R)
• M4: 1,819,559 km (0.098 R)
• M5: 2,937,354 km (0.053 R)
• M6: 3,680,257 km (0.087 R)
• M7: 4,472,677 km (0.086 R)
• M8: 4,948,997 km (0.094 R)
• M9: 6,184,226 km (0.11 R)
• M10: 6,874,621 km (0.09 R)
• M11: 8,006,328 km (0.118 R)
• M12: 9,663,125 km (0.116 R)
• M13: 11,172,418 km (0.063 R)
• M14: 12,391,790 km (0.097 R)
• M15: 13,854,408 km (0.113 R)
• M16: 15,261,077 km (0.075 R)
• M17: 16,583,074 km (0.075 R)
• M18: 17,669,902 km (0.115 R)
• M19: 18,997,434 km (0.104 R)
• M20: 20,594,840 km (0.099 R)
• M21: 21,779,356 km (0.091 R)
• M22: 25,526,782 km (0.076 R)
• M23: 26,324,887 km (0.07 R)
• M24: 28,392,778 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 12.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.14 AU - 4.26 AU

Year: 4595 Days

Day: 12.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,624,033 km

• M1: 157,975 km (0.095 R)
• M2: 688,300 km (0.049 R)
• M3: 1,179,579 km (0.117 R)
• M4: 1,651,560 km (0.116 R)
• M5: 2,131,321 km (0.107 R)
• M6: 2,585,201 km (0.088 R)
• M7: 4,328,016 km (0.088 R)
• M8: 5,763,707 km (0.077 R)
• M9: 6,850,984 km (0.049 R)
• M10: 7,322,517 km (0.093 R)
• M11: 7,743,784 km (0.06 R)
• M12: 9,594,310 km (0.057 R)
• M13: 10,446,419 km (0.07 R)
• M14: 11,441,544 km (0.118 R)
• M15: 11,914,274 km (0.107 R)
• M16: 14,421,983 km (0.099 R)
• M17: 17,263,295 km (0.098 R)
• M18: 18,523,657 km (0.056 R)
• M19: 19,709,669 km (0.105 R)
• M20: 21,797,906 km (0.082 R)
• M21: 24,183,693 km (0.084 R)
• M22: 25,200,958 km (0.085 R)
• M23: 26,738,675 km (0.11 R)
• M24: 28,081,465 km (0.055 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.5

Radius: 13.8

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 3.81 AU - 4.45 AU

Year: 5419 Days

Day: 14.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 173.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,624,033 km

• M1: 175,030 km (0.097 R)
• M2: 649,554 km (0.117 R)
• M3: 1,157,888 km (0.063 R)
• M4: 1,825,692 km (0.105 R)
• M5: 2,474,798 km (0.102 R)
• M6: 3,274,697 km (0.053 R)
• M7: 3,759,245 km (0.084 R)
• M8: 5,301,749 km (0.088 R)
• M9: 6,464,573 km (0.09 R)
• M10: 6,911,422 km (0.031 R)
• M11: 8,994,273 km (0.103 R)
• M12: 9,640,536 km (0.049 R)
• M13: 10,457,041 km (0.086 R)
• M14: 11,616,723 km (0.1 R)
• M15: 13,184,808 km (0.12 R)
• M16: 16,231,070 km (0.103 R)
• M17: 20,006,471 km (0.098 R)
• M18: 24,662,406 km (0.088 R)
• M19: 26,189,052 km (0.116 R)
• M20: 27,508,804 km (0.1 R)
• M21: 30,567,632 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 13,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit