🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.4

Radius: 13.8

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.06 AU - 1.1 AU

Year: 775 Days

Day: 9.8 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,620,250 km

• M1: 179,667 km (0.118 R)
• M2: 729,738 km (0.099 R)
• M3: 1,414,897 km (0.116 R)
• M4: 2,090,481 km (0.061 R)
• M5: 2,806,306 km (0.052 R)
• M6: 3,627,898 km (0.103 R)
• M7: 4,241,548 km (0.082 R)
• M8: 5,172,496 km (0.068 R)
• M9: 5,786,745 km (0.05 R)
• M10: 6,587,841 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.9

Radius: 13.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.06 AU - 1.14 AU

Year: 796 Days

Day: 10.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,620,250 km

• M1: 169,794 km (0.085 R)
• M2: 747,391 km (0.04 R)
• M3: 1,323,193 km (0.076 R)
• M4: 1,944,024 km (0.077 R)
• M5: 2,546,455 km (0.068 R)
• M6: 3,493,559 km (0.119 R)
• M7: 4,221,951 km (0.052 R)
• M8: 4,647,407 km (0.071 R)
• M9: 5,604,235 km (0.114 R)
• M10: 6,199,037 km (0.11 R)
• M11: 7,721,644 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 64.8

Radius: 11.6

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.05 AU - 1.15 AU

Year: 796 Days

Day: 9.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,620,250 km

• M1: 144,212 km (0.079 R)
• M2: 546,481 km (0.083 R)
• M3: 908,807 km (0.09 R)
• M4: 1,587,233 km (0.117 R)
• M5: 1,958,835 km (0.094 R)
• M6: 2,365,292 km (0.113 R)
• M7: 3,052,993 km (0.089 R)
• M8: 4,019,246 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.1

Radius: 8.9

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.38 AU - 6.12 AU

Year: 8303 Days

Day: 5.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,620,250 km

• M1: 110,702 km (0.117 R)
• M2: 544,387 km (0.106 R)
• M3: 1,202,767 km (0.052 R)
• M4: 1,555,519 km (0.11 R)
• M5: 2,371,425 km (0.119 R)
• M6: 2,687,227 km (0.11 R)
• M7: 3,051,198 km (0.037 R)
• M8: 3,340,221 km (0.06 R)
• M9: 4,193,827 km (0.074 R)
• M10: 7,740,493 km (0.094 R)
• M11: 9,569,626 km (0.113 R)
• M12: 10,012,286 km (0.087 R)
• M13: 12,124,010 km (0.054 R)
• M14: 19,362,004 km (0.117 R)
• M15: 21,091,505 km (0.097 R)
• M16: 21,539,401 km (0.039 R)
• M17: 22,999,925 km (0.039 R)
• M18: 25,020,842 km (0.118 R)
• M19: 31,595,220 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.2

Radius: 11.5

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.9 AU - 5.86 AU

Year: 8614 Days

Day: 5.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,620,250 km

• M1: 143,614 km (0.102 R)
• M2: 607,966 km (0.106 R)
• M3: 1,105,379 km (0.116 R)
• M4: 1,824,196 km (0.072 R)
• M5: 2,875,570 km (0.077 R)
• M6: 3,320,325 km (0.097 R)
• M7: 4,210,133 km (0.072 R)
• M8: 5,782,706 km (0.096 R)
• M9: 8,670,543 km (0.041 R)
• M10: 10,298,467 km (0.045 R)
• M11: 11,952,271 km (0.116 R)
• M12: 12,521,791 km (0.114 R)
• M13: 13,715,133 km (0.077 R)
• M14: 14,276,274 km (0.119 R)
• M15: 22,172,948 km (0.081 R)
• M16: 22,772,835 km (0.042 R)
• M17: 24,095,131 km (0.031 R)
• M18: 25,467,841 km (0.074 R)
• M19: 26,795,522 km (0.074 R)
• M20: 27,672,913 km (0.096 R)
• M21: 28,069,048 km (0.104 R)
• M22: 34,019,753 km (0.056 R)
• M23: 35,512,440 km (0.104 R)
• M24: 37,893,440 km (0.056 R)
• M25: 38,504,996 km (0.072 R)
• M26: 44,714,654 km (0.039 R)
• M27: 45,260,387 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.4

Radius: 7.6

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 6.26 AU - 9.32 AU

Year: 15008 Days

Day: 20 Hours

Environment

Temp: -237 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,620,250 km

• M1: 94,546 km (0.06 R)
• M2: 332,855 km (0.083 R)
• M3: 1,070,971 km (0.05 R)
• M4: 2,069,836 km (0.1 R)
• M5: 2,572,485 km (0.09 R)
• M6: 3,872,490 km (0.106 R)
• M7: 5,164,866 km (0.087 R)
• M8: 5,803,500 km (0.108 R)
• M9: 6,087,736 km (0.078 R)
• M10: 8,616,389 km (0.079 R)
• M11: 10,367,880 km (0.112 R)
• M12: 11,163,143 km (0.06 R)
• M13: 12,934,830 km (0.09 R)
• M14: 13,793,372 km (0.097 R)
• M15: 15,828,652 km (0.099 R)
• M16: 16,667,596 km (0.047 R)
• M17: 17,609,614 km (0.082 R)
• M18: 18,971,852 km (0.083 R)
• M19: 20,730,525 km (0.11 R)
• M20: 21,061,585 km (0.087 R)
• M21: 22,945,770 km (0.107 R)
• M22: 34,303,689 km (0.118 R)
• M23: 37,757,904 km (0.073 R)
• M24: 44,245,814 km (0.075 R)
• M25: 45,906,500 km (0.099 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 14,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit