🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.53 AU - 1.87 AU

Year: 853 Days

Day: 12 Hours

Environment

Temp: -77 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.13 AU - 2.29 AU

Year: 1265 Days

Day: 17.6 Hours

Environment

Temp: -89 °C

Axial Tilt: 0 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,416,809 km

• M1: 249,529 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.51 AU - 3.25 AU

Year: 1882 Days

Day: 32.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 11.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.49 AU - 6.19 AU

Year: 4751 Days

Day: 7.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,416,809 km

• M1: 138,079 km (0.066 R)
• M2: 634,145 km (0.065 R)
• M3: 1,112,559 km (0.082 R)
• M4: 1,478,925 km (0.077 R)
• M5: 2,041,413 km (0.061 R)
• M6: 2,671,369 km (0.082 R)
• M7: 3,938,014 km (0.11 R)
• M8: 5,047,582 km (0.115 R)
• M9: 5,545,743 km (0.095 R)
• M10: 7,756,500 km (0.091 R)
• M11: 9,624,529 km (0.079 R)
• M12: 10,356,661 km (0.087 R)
• M13: 11,163,143 km (0.071 R)
• M14: 12,818,144 km (0.073 R)
• M15: 13,277,409 km (0.112 R)
• M16: 14,008,943 km (0.087 R)
• M17: 15,271,848 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.7

Radius: 9.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.98 AU - 6.14 AU

Year: 5744 Days

Day: 11.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,416,809 km

• M1: 123,119 km (0.117 R)
• M2: 486,791 km (0.117 R)
• M3: 987,795 km (0.108 R)
• M4: 1,484,160 km (0.059 R)
• M5: 2,101,850 km (0.113 R)
• M6: 2,737,641 km (0.088 R)
• M7: 3,885,954 km (0.085 R)
• M8: 4,217,912 km (0.094 R)
• M9: 5,583,591 km (0.11 R)
• M10: 6,567,496 km (0.111 R)
• M11: 8,458,563 km (0.1 R)
• M12: 10,019,916 km (0.084 R)
• M13: 11,980,396 km (0.119 R)
• M14: 13,609,666 km (0.072 R)
• M15: 14,184,122 km (0.112 R)
• M16: 16,216,559 km (0.116 R)
• M17: 16,591,301 km (0.104 R)
• M18: 18,844,245 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.2

Radius: 9.2

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.65 AU - 9.95 AU

Year: 11812 Days

Day: 13.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,416,809 km

• M1: 114,442 km (0.026 R)
• M2: 748,139 km (0.104 R)
• M3: 1,590,674 km (0.101 R)
• M4: 2,084,048 km (0.1 R)
• M5: 2,445,476 km (0.06 R)
• M6: 3,648,393 km (0.066 R)
• M7: 4,157,624 km (0.045 R)
• M8: 4,449,639 km (0.106 R)
• M9: 4,881,528 km (0.111 R)
• M10: 5,251,334 km (0.089 R)
• M11: 6,976,048 km (0.05 R)
• M12: 7,966,984 km (0.101 R)
• M13: 11,464,433 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.3

Radius: 5.5

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 11.31 AU - 14.07 AU

Year: 17404 Days

Day: 19.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 76,416,809 km

• M1: 68,366 km (0.074 R)
• M2: 251,474 km (0.067 R)
• M3: 437,424 km (0.05 R)
• M4: 608,714 km (0.063 R)
• M5: 789,278 km (0.076 R)
• M6: 1,393,504 km (0.075 R)
• M7: 2,562,612 km (0.111 R)
• M8: 3,405,745 km (0.082 R)
• M9: 5,692,349 km (0.118 R)
• M10: 6,091,326 km (0.08 R)
• M11: 6,625,839 km (0.025 R)
• M12: 7,875,730 km (0.061 R)
• M13: 8,188,539 km (0.077 R)
• M14: 9,275,218 km (0.085 R)
• M15: 10,669,470 km (0.091 R)
• M16: 10,997,388 km (0.094 R)
• M17: 11,219,541 km (0.071 R)
• M18: 11,904,400 km (0.088 R)
• M19: 12,616,785 km (0.091 R)
• M20: 18,185,267 km (0.068 R)
• M21: 21,891,853 km (0.08 R)
• M22: 22,421,130 km (0.1 R)
• M23: 27,780,773 km (0.119 R)
• M24: 30,426,711 km (0.051 R)
• M25: 33,584,273 km (0.048 R)
• M26: 35,725,468 km (0.107 R)
• M27: 35,968,863 km (0.092 R)
• M28: 39,884,288 km (0.034 R)
• M29: 42,829,122 km (0.06 R)
• M30: 43,795,674 km (0.108 R)
• M31: 47,073,962 km (0.089 R)
• M32: 48,399,997 km (0.03 R)
• M33: 50,054,400 km (0.085 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97

Radius: 4.2

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 9.96 AU - 15.98 AU

Year: 17984 Days

Day: 21.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 58.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 76,416,809 km

• M1: 52,210 km (0.091 R)
• M2: 236,664 km (0.03 R)
• M3: 1,058,405 km (0.115 R)
• M4: 1,216,380 km (0.111 R)
• M5: 1,390,213 km (0.092 R)
• M6: 1,921,136 km (0.12 R)
• M7: 2,670,172 km (0.108 R)
• M8: 3,504,779 km (0.112 R)
• M9: 4,056,496 km (0.066 R)
• M10: 4,803,887 km (0.065 R)
• M11: 6,993,401 km (0.045 R)
• M12: 7,250,859 km (0.066 R)
• M13: 9,016,563 km (0.106 R)
• M14: 9,633,654 km (0.103 R)
• M15: 11,807,311 km (0.064 R)
• M16: 12,652,988 km (0.113 R)
• M17: 15,246,716 km (0.074 R)
• M18: 16,830,359 km (0.062 R)
• M19: 17,027,529 km (0.06 R)
• M20: 17,899,535 km (0.062 R)
• M21: 20,098,624 km (0.116 R)
• M22: 22,550,682 km (0.073 R)
• M23: 23,112,422 km (0.099 R)
• M24: 27,399,299 km (0.07 R)
• M25: 28,038,830 km (0.081 R)
• M26: 28,223,284 km (0.108 R)
• M27: 28,688,234 km (0.099 R)
• M28: 30,306,883 km (0.11 R)
• M29: 34,038,602 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.6

Radius: 6.3

Gravity: 21.18 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 9.82 AU - 16.3 AU

Year: 18171 Days

Day: 22.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,416,809 km

• M1: 78,389 km (0.098 R)
• M2: 335,997 km (0.026 R)
• M3: 736,022 km (0.106 R)
• M4: 959,521 km (0.085 R)
• M5: 1,242,710 km (0.114 R)
• M6: 1,482,964 km (0.101 R)
• M7: 3,026,066 km (0.065 R)
• M8: 4,234,218 km (0.027 R)
• M9: 5,693,845 km (0.051 R)
• M10: 6,988,465 km (0.112 R)
• M11: 11,637,518 km (0.101 R)
• M12: 16,239,896 km (0.095 R)
• M13: 18,448,559 km (0.114 R)
• M14: 19,257,584 km (0.045 R)
• M15: 25,265,435 km (0.065 R)
• M16: 28,690,478 km (0.101 R)
• M17: 38,435,433 km (0.091 R)
• M18: 52,456,344 km (0.115 R)
• M19: 53,172,170 km (0.115 R)
• M20: 54,440,610 km (0.098 R)
• M21: 61,878,766 km (0.068 R)
• M22: 64,092,814 km (0.036 R)
• M23: 64,705,717 km (0.069 R)
• M24: 64,910,965 km (0.042 R)
• M25: 68,040,702 km (0.102 R)
• M26: 69,966,176 km (0.094 R)
• M27: 74,599,372 km (0.062 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 17,438 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit