🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.68 AU - 0.94 AU

Year: 318 Days

Day: 19.2 Hours

Environment

Temp: -35 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.86 AU - 1.16 AU

Year: 443 Days

Day: 44.1 Hours

Environment

Temp: -62 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,238,464 km

• M1: 65,823 km (0.087 R)

Asteroid Belt

Center: 2.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.5

Radius: 12.4

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.33 AU - 3.95 AU

Year: 3032 Days

Day: 13.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,238,464 km

• M1: 176,675 km (0.12 R)
• M2: 1,100,592 km (0.025 R)
• M3: 2,697,250 km (0.096 R)
• M4: 5,138,537 km (0.11 R)
• M5: 5,693,695 km (0.099 R)
• M6: 6,288,646 km (0.081 R)
• M7: 7,185,036 km (0.113 R)
• M8: 7,787,317 km (0.093 R)
• M9: 8,554,305 km (0.084 R)
• M10: 9,231,535 km (0.082 R)
• M11: 11,318,874 km (0.114 R)
• M12: 16,509,322 km (0.093 R)
• M13: 17,187,000 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 13.7

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.65 AU - 4.59 AU

Year: 3651 Days

Day: 9.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,238,464 km

• M1: 179,069 km (0.108 R)
• M2: 1,450,351 km (0.096 R)
• M3: 3,105,652 km (0.107 R)
• M4: 4,807,028 km (0.088 R)
• M5: 6,006,355 km (0.072 R)
• M6: 9,990,295 km (0.094 R)
• M7: 10,878,308 km (0.12 R)
• M8: 12,568,166 km (0.105 R)
• M9: 13,224,153 km (0.092 R)
• M10: 15,376,118 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.6

Radius: 9.7

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.7 AU - 5.8 AU

Year: 5251 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,238,464 km

• M1: 194,477 km (0.094 R)
• M2: 557,701 km (0.03 R)
• M3: 1,369,269 km (0.119 R)
• M4: 2,113,968 km (0.051 R)
• M5: 2,912,970 km (0.057 R)
• M6: 5,481,715 km (0.032 R)
• M7: 6,172,408 km (0.086 R)
• M8: 8,072,899 km (0.03 R)
• M9: 8,796,355 km (0.069 R)
• M10: 15,966,431 km (0.072 R)
• M11: 16,633,039 km (0.083 R)
• M12: 17,211,385 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.4

Radius: 13.5

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.78 AU - 7 AU

Year: 6240 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 61,238,464 km

• M1: 177,423 km (0.112 R)
• M2: 747,541 km (0.119 R)
• M3: 1,351,018 km (0.116 R)
• M4: 1,841,699 km (0.09 R)
• M5: 2,376,063 km (0.085 R)
• M6: 3,422,350 km (0.089 R)
• M7: 4,040,040 km (0.111 R)
• M8: 4,682,862 km (0.114 R)
• M9: 8,137,975 km (0.087 R)
• M10: 8,641,970 km (0.094 R)
• M11: 9,752,584 km (0.069 R)
• M12: 12,163,952 km (0.111 R)
• M13: 14,423,030 km (0.118 R)
• M14: 16,095,385 km (0.089 R)
• M15: 17,240,855 km (0.112 R)
• M16: 22,441,177 km (0.046 R)
• M17: 24,830,853 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.9

Radius: 12.5

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7.75 AU - 8.69 AU

Year: 10288 Days

Day: 5.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 61,238,464 km

• M1: 155,582 km (0.097 R)
• M2: 604,525 km (0.085 R)
• M3: 1,087,577 km (0.064 R)
• M4: 3,022,176 km (0.085 R)
• M5: 3,477,702 km (0.119 R)
• M6: 3,979,004 km (0.116 R)
• M7: 4,761,999 km (0.102 R)
• M8: 5,512,682 km (0.118 R)
• M9: 7,053,988 km (0.087 R)
• M10: 7,695,314 km (0.084 R)
• M11: 9,709,351 km (0.06 R)
• M12: 12,109,648 km (0.112 R)
• M13: 12,971,482 km (0.115 R)
• M14: 15,206,474 km (0.11 R)
• M15: 16,346,559 km (0.118 R)
• M16: 16,762,292 km (0.081 R)
• M17: 18,571,080 km (0.116 R)
• M18: 19,176,502 km (0.091 R)
• M19: 20,667,245 km (0.117 R)
• M20: 23,878,214 km (0.114 R)
• M21: 24,957,712 km (0.071 R)
• M22: 25,416,977 km (0.084 R)
• M23: 26,637,546 km (0.066 R)
• M24: 27,995,446 km (0.1 R)
• M25: 29,705,649 km (0.097 R)
• M26: 35,138,445 km (0.077 R)
• M27: 38,942,869 km (0.059 R)
• M28: 44,880,708 km (0.076 R)
• M29: 45,971,575 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.8

Radius: 6.3

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 11.75 AU - 12.61 AU

Year: 18557 Days

Day: 15 Hours

Environment

Temp: -198 °C

Axial Tilt: 80.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 61,238,464 km

• M1: 78,539 km (0.099 R)
• M2: 389,553 km (0.081 R)
• M3: 644,767 km (0.065 R)
• M4: 1,165,816 km (0.084 R)
• M5: 1,648,419 km (0.1 R)
• M6: 3,252,258 km (0.075 R)
• M7: 3,678,462 km (0.09 R)
• M8: 5,431,599 km (0.042 R)
• M9: 5,688,758 km (0.083 R)
• M10: 6,307,345 km (0.071 R)
• M11: 6,674,459 km (0.117 R)
• M12: 7,677,512 km (0.06 R)
• M13: 8,877,886 km (0.033 R)
• M14: 9,391,455 km (0.09 R)
• M15: 15,153,816 km (0.078 R)
• M16: 18,473,093 km (0.032 R)
• M17: 18,804,452 km (0.093 R)
• M18: 44,961,939 km (0.117 R)
• M19: 55,209,842 km (0.104 R)
• M20: 59,601,886 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 16,365 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit