🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 8.1

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.62 AU - 0.74 AU

Year: 368 Days

Day: 10.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,196,535 km

• M1: 102,923 km (0.049 R)
• M2: 302,786 km (0.046 R)
• M3: 456,573 km (0.109 R)
• M4: 672,891 km (0.075 R)
• M5: 932,593 km (0.094 R)
• M6: 1,110,764 km (0.052 R)
• M7: 1,296,714 km (0.036 R)
• M8: 1,884,634 km (0.099 R)
• M9: 2,116,959 km (0.112 R)
• M10: 2,318,169 km (0.095 R)
• M11: 2,798,677 km (0.09 R)
• M12: 3,023,223 km (0.073 R)
• M13: 3,226,078 km (0.09 R)
• M14: 3,734,412 km (0.095 R)
• M15: 3,960,155 km (0.108 R)
• M16: 4,123,217 km (0.083 R)
• M17: 4,351,802 km (0.044 R)
• M18: 4,595,796 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.3

Radius: 9.6

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.71 AU - 1.03 AU

Year: 532 Days

Day: 12.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,196,535 km

• M1: 136,134 km (0.09 R)
• M2: 385,813 km (0.105 R)
• M3: 629,508 km (0.118 R)
• M4: 930,200 km (0.099 R)
• M5: 1,362,537 km (0.116 R)
• M6: 1,650,813 km (0.107 R)
• M7: 2,027,350 km (0.105 R)
• M8: 2,317,720 km (0.088 R)
• M9: 2,795,535 km (0.062 R)
• M10: 2,999,737 km (0.083 R)
• M11: 3,194,962 km (0.109 R)
• M12: 3,422,350 km (0.117 R)
• M13: 4,077,290 km (0.073 R)
• M14: 4,392,941 km (0.081 R)
• M15: 5,336,605 km (0.114 R)
• M16: 5,565,190 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.7

Radius: 14.5

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.19 AU - 2.91 AU

Year: 2671 Days

Day: 6.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,196,535 km

• M1: 181,612 km (0.103 R)
• M2: 756,965 km (0.09 R)
• M3: 1,888,224 km (0.085 R)
• M4: 2,734,799 km (0.059 R)
• M5: 3,221,740 km (0.072 R)
• M6: 4,180,363 km (0.069 R)
• M7: 4,822,437 km (0.082 R)
• M8: 6,119,899 km (0.077 R)
• M9: 6,447,070 km (0.093 R)
• M10: 9,273,572 km (0.115 R)
• M11: 10,006,602 km (0.109 R)
• M12: 11,858,025 km (0.068 R)
• M13: 15,104,448 km (0.044 R)
• M14: 17,404,216 km (0.097 R)
• M15: 19,131,174 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.6

Radius: 10.1

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.14 AU - 4.06 AU

Year: 4481 Days

Day: 5 Hours

Environment

Temp: -212 °C

Axial Tilt: 69.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,196,535 km

• M1: 159,621 km (0.119 R)
• M2: 421,567 km (0.081 R)
• M3: 662,569 km (0.07 R)
• M4: 2,273,738 km (0.076 R)
• M5: 3,090,542 km (0.117 R)
• M6: 3,556,540 km (0.084 R)
• M7: 4,074,298 km (0.051 R)
• M8: 4,402,516 km (0.084 R)
• M9: 6,351,477 km (0.118 R)
• M10: 7,820,229 km (0.116 R)
• M11: 9,444,263 km (0.093 R)
• M12: 9,692,895 km (0.04 R)
• M13: 10,896,709 km (0.088 R)
• M14: 11,104,201 km (0.056 R)
• M15: 15,813,542 km (0.096 R)
• M16: 16,461,151 km (0.119 R)
• M17: 16,900,071 km (0.119 R)
• M18: 18,792,036 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.2

Radius: 6

Gravity: 23.06 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 8.89 AU - 9.89 AU

Year: 18876 Days

Day: 19.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,196,535 km

• M1: 85,869 km (0.062 R)
• M2: 934,388 km (0.098 R)
• M3: 1,160,431 km (0.061 R)
• M4: 1,273,676 km (0.049 R)
• M5: 1,852,620 km (0.077 R)
• M6: 2,573,233 km (0.101 R)
• M7: 3,814,596 km (0.088 R)
• M8: 4,308,119 km (0.095 R)
• M9: 4,491,826 km (0.067 R)
• M10: 6,101,349 km (0.048 R)
• M11: 6,999,684 km (0.1 R)
• M12: 8,059,884 km (0.118 R)
• M13: 8,825,975 km (0.109 R)
• M14: 13,569,724 km (0.118 R)
• M15: 18,266,648 km (0.079 R)
• M16: 19,804,514 km (0.107 R)
• M17: 21,649,953 km (0.099 R)
• M18: 26,761,563 km (0.11 R)
• M19: 27,867,690 km (0.112 R)
• M20: 28,901,261 km (0.075 R)
• M21: 31,025,102 km (0.082 R)
• M22: 31,816,176 km (0.067 R)
• M23: 32,215,453 km (0.1 R)
• M24: 37,201,250 km (0.09 R)
• M25: 43,008,041 km (0.119 R)
• M26: 46,791,072 km (0.119 R)
• M27: 49,608,748 km (0.053 R)
• M28: 50,232,123 km (0.087 R)
• M29: 56,548,294 km (0.106 R)
• M30: 57,615,077 km (0.104 R)
• M31: 58,017,794 km (0.069 R)
• M32: 58,691,882 km (0.102 R)
• M33: 62,399,665 km (0.043 R)
• M34: 64,083,988 km (0.09 R)
• M35: 64,508,547 km (0.053 R)
• M36: 66,652,733 km (0.08 R)
• M37: 68,247,297 km (0.074 R)
• M38: 76,967,506 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341.2

Radius: 8

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.1 AU - 11.38 AU

Year: 19941 Days

Day: 21.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 60,196,535 km

• M1: 100,380 km (0.064 R)
• M2: 465,100 km (0.075 R)
• M3: 1,345,633 km (0.117 R)
• M4: 1,637,947 km (0.093 R)
• M5: 2,775,041 km (0.038 R)
• M6: 4,415,830 km (0.09 R)
• M7: 4,744,048 km (0.1 R)
• M8: 4,946,603 km (0.099 R)
• M9: 6,024,755 km (0.039 R)
• M10: 7,588,053 km (0.101 R)
• M11: 8,641,072 km (0.08 R)
• M12: 10,449,710 km (0.112 R)
• M13: 11,108,240 km (0.119 R)
• M14: 13,830,772 km (0.103 R)
• M15: 16,224,936 km (0.116 R)
• M16: 17,494,274 km (0.086 R)
• M17: 18,811,483 km (0.1 R)
• M18: 19,488,264 km (0.113 R)
• M19: 20,246,426 km (0.107 R)
• M20: 20,455,863 km (0.108 R)
• M21: 27,319,114 km (0.102 R)
• M22: 27,725,123 km (0.109 R)
• M23: 28,216,253 km (0.064 R)
• M24: 28,628,844 km (0.1 R)
• M25: 33,723,998 km (0.105 R)
• M26: 34,265,691 km (0.085 R)
• M27: 37,986,789 km (0.108 R)
• M28: 41,102,314 km (0.074 R)
• M29: 50,194,574 km (0.098 R)
• M30: 50,414,183 km (0.08 R)
• M31: 60,196,538 km (0.05 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 20,377 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit