🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.3

Radius: 10.5

Gravity: 6.9 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.67 AU - 0.81 AU

Year: 432 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,812,144 km

• M1: 130,599 km (0.065 R)
• M2: 463,753 km (0.041 R)
• M3: 833,859 km (0.11 R)
• M4: 1,389,615 km (0.101 R)
• M5: 1,741,918 km (0.093 R)
• M6: 2,733,751 km (0.12 R)
• M7: 3,414,272 km (0.047 R)
• M8: 3,959,108 km (0.09 R)
• M9: 5,016,465 km (0.087 R)
• M10: 5,790,934 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 9.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.6 AU - 2.38 AU

Year: 1904 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,812,144 km

• M1: 118,631 km (0.102 R)
• M2: 634,594 km (0.09 R)
• M3: 1,056,610 km (0.096 R)
• M4: 1,523,206 km (0.034 R)
• M5: 1,826,740 km (0.115 R)
• M6: 2,328,940 km (0.033 R)
• M7: 2,735,846 km (0.109 R)
• M8: 3,065,709 km (0.103 R)
• M9: 3,763,583 km (0.116 R)
• M10: 4,097,934 km (0.093 R)
• M11: 5,751,589 km (0.05 R)
• M12: 6,377,058 km (0.111 R)
• M13: 6,832,733 km (0.101 R)
• M14: 7,199,697 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.9

Radius: 12.6

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.17 AU - 3.57 AU

Year: 4196 Days

Day: 11.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,812,144 km

• M1: 157,227 km (0.104 R)
• M2: 657,333 km (0.106 R)
• M3: 1,197,082 km (0.106 R)
• M4: 2,181,586 km (0.095 R)
• M5: 2,622,899 km (0.116 R)
• M6: 4,139,523 km (0.037 R)
• M7: 4,531,320 km (0.105 R)
• M8: 5,101,287 km (0.103 R)
• M9: 6,060,359 km (0.107 R)
• M10: 7,805,568 km (0.119 R)
• M11: 9,703,815 km (0.113 R)
• M12: 10,484,118 km (0.119 R)
• M13: 13,473,532 km (0.119 R)
• M14: 14,497,380 km (0.078 R)
• M15: 15,298,925 km (0.041 R)
• M16: 15,905,246 km (0.099 R)
• M17: 16,413,280 km (0.076 R)
• M18: 18,740,873 km (0.106 R)
• M19: 19,563,362 km (0.081 R)
• M20: 22,386,125 km (0.086 R)
• M21: 23,675,209 km (0.053 R)
• M22: 25,240,901 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 95.7

Radius: 4.9

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.8 AU - 10.3 AU

Year: 16957 Days

Day: 16.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,812,144 km

• M1: 60,886 km (0.101 R)
• M2: 280,945 km (0.099 R)
• M3: 852,708 km (0.078 R)
• M4: 1,082,490 km (0.112 R)
• M5: 2,548,101 km (0.117 R)
• M6: 2,947,078 km (0.099 R)
• M7: 3,542,478 km (0.078 R)
• M8: 4,911,597 km (0.104 R)
• M9: 5,902,982 km (0.097 R)
• M10: 6,294,630 km (0.093 R)
• M11: 9,015,815 km (0.096 R)
• M12: 14,836,967 km (0.097 R)
• M13: 15,559,525 km (0.104 R)
• M14: 16,368,550 km (0.057 R)
• M15: 16,559,138 km (0.111 R)
• M16: 17,336,448 km (0.036 R)
• M17: 18,205,612 km (0.05 R)
• M18: 19,958,151 km (0.1 R)
• M19: 21,514,567 km (0.115 R)
• M20: 23,875,970 km (0.084 R)
• M21: 25,034,755 km (0.093 R)
• M22: 26,930,758 km (0.039 R)
• M23: 31,005,804 km (0.104 R)
• M24: 32,184,486 km (0.112 R)
• M25: 32,383,750 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 991.1

Radius: 5.3

Gravity: 35.28 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 7.28 AU - 9.98 AU

Year: 17195 Days

Day: 24.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 77,812,144 km

• M1: 69,264 km (0.1 R)
• M2: 257,159 km (0.088 R)
• M3: 1,195,287 km (0.097 R)
• M4: 1,370,316 km (0.111 R)
• M5: 1,718,281 km (0.102 R)
• M6: 2,315,476 km (0.074 R)
• M7: 4,231,825 km (0.088 R)
• M8: 4,607,166 km (0.048 R)
• M9: 6,963,332 km (0.084 R)
• M10: 7,882,910 km (0.092 R)
• M11: 8,717,816 km (0.082 R)
• M12: 9,101,086 km (0.076 R)
• M13: 10,138,248 km (0.059 R)
• M14: 10,318,513 km (0.1 R)
• M15: 10,872,025 km (0.045 R)
• M16: 11,060,818 km (0.102 R)
• M17: 11,510,060 km (0.104 R)
• M18: 11,904,550 km (0.115 R)
• M19: 16,033,301 km (0.118 R)
• M20: 16,943,156 km (0.069 R)
• M21: 20,161,305 km (0.117 R)
• M22: 28,723,240 km (0.098 R)
• M23: 43,721,623 km (0.037 R)
• M24: 45,491,217 km (0.07 R)
• M25: 46,807,827 km (0.071 R)
• M26: 51,438,779 km (0.101 R)
• M27: 58,460,305 km (0.108 R)
• M28: 62,199,055 km (0.101 R)
• M29: 63,411,994 km (0.092 R)
• M30: 72,125,771 km (0.104 R)
• M31: 77,579,212 km (0.088 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: 192 - 18,580 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit