🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.27

Radius: 0.59

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.06 AU - 1.24 AU

Year: 450 Days

Day: 20 Hours

Environment

Temp: -4 °C

Axial Tilt: 15.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.34 AU - 2.06 AU

Year: 810 Days

Day: 12.2 Hours

Environment

Temp: -60 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,343,967 km

• M1: 244,293 km (0.09 R)

Asteroid Belt

Center: 3.64 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.5

Radius: 10.3

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.97 AU - 6.19 AU

Year: 4814 Days

Day: 10.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,343,967 km

• M1: 128,056 km (0.059 R)
• M2: 491,429 km (0.108 R)
• M3: 973,882 km (0.119 R)
• M4: 1,749,996 km (0.087 R)
• M5: 2,119,203 km (0.088 R)
• M6: 2,779,828 km (0.106 R)
• M7: 3,691,477 km (0.049 R)
• M8: 4,151,191 km (0.091 R)
• M9: 4,486,291 km (0.115 R)
• M10: 5,602,141 km (0.069 R)
• M11: 5,956,688 km (0.113 R)
• M12: 6,384,388 km (0.106 R)
• M13: 6,863,102 km (0.041 R)
• M14: 7,659,112 km (0.104 R)
• M15: 8,622,372 km (0.054 R)
• M16: 9,625,875 km (0.095 R)
• M17: 13,009,031 km (0.115 R)
• M18: 13,584,235 km (0.113 R)
• M19: 14,631,719 km (0.028 R)
• M20: 18,874,913 km (0.109 R)
• M21: 19,241,278 km (0.118 R)
• M22: 21,079,387 km (0.056 R)
• M23: 22,824,596 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188

Radius: 9

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.73 AU - 7.79 AU

Year: 5721 Days

Day: 14.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,343,967 km

• M1: 111,899 km (0.073 R)
• M2: 654,640 km (0.044 R)
• M3: 1,418,038 km (0.108 R)
• M4: 2,797,331 km (0.097 R)
• M5: 3,418,760 km (0.069 R)
• M6: 4,171,537 km (0.118 R)
• M7: 6,477,139 km (0.107 R)
• M8: 7,188,178 km (0.087 R)
• M9: 17,735,576 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 15

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.5 AU - 8.08 AU

Year: 6462 Days

Day: 7.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,343,967 km

• M1: 192,084 km (0.049 R)
• M2: 987,645 km (0.079 R)
• M3: 1,822,850 km (0.105 R)
• M4: 2,728,815 km (0.12 R)
• M5: 4,342,826 km (0.086 R)
• M6: 5,554,719 km (0.098 R)
• M7: 7,089,892 km (0.11 R)
• M8: 10,223,369 km (0.109 R)
• M9: 21,354,198 km (0.1 R)
• M10: 24,813,200 km (0.032 R)
• M11: 31,912,367 km (0.088 R)
• M12: 35,545,651 km (0.086 R)
• M13: 36,086,298 km (0.073 R)
• M14: 36,962,791 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.2

Radius: 14.3

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.48 AU - 8.02 AU

Year: 7880 Days

Day: 9.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 164.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,343,967 km

• M1: 177,872 km (0.117 R)
• M2: 640,578 km (0.075 R)
• M3: 1,108,969 km (0.08 R)
• M4: 2,314,429 km (0.072 R)
• M5: 3,089,645 km (0.114 R)
• M6: 3,805,171 km (0.079 R)
• M7: 4,296,750 km (0.076 R)
• M8: 4,978,767 km (0.094 R)
• M9: 5,634,005 km (0.093 R)
• M10: 6,171,511 km (0.086 R)
• M11: 8,201,554 km (0.112 R)
• M12: 11,311,693 km (0.044 R)
• M13: 12,616,037 km (0.119 R)
• M14: 13,658,585 km (0.073 R)
• M15: 15,980,942 km (0.066 R)
• M16: 16,583,522 km (0.06 R)
• M17: 18,998,182 km (0.072 R)
• M18: 20,523,332 km (0.041 R)
• M19: 24,515,351 km (0.074 R)
• M20: 30,811,477 km (0.098 R)
• M21: 32,699,252 km (0.106 R)
• M22: 33,237,206 km (0.06 R)
• M23: 34,000,006 km (0.09 R)
• M24: 35,674,155 km (0.083 R)
• M25: 36,820,225 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799.6

Radius: 13.5

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.68 AU - 12.24 AU

Year: 13253 Days

Day: 9.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 82,343,967 km

• M1: 170,691 km (0.098 R)
• M2: 730,187 km (0.092 R)
• M3: 1,544,299 km (0.047 R)
• M4: 3,370,141 km (0.09 R)
• M5: 4,571,113 km (0.049 R)
• M6: 5,270,483 km (0.08 R)
• M7: 7,667,788 km (0.054 R)
• M8: 11,652,178 km (0.117 R)
• M9: 12,513,114 km (0.06 R)
• M10: 13,681,922 km (0.08 R)
• M11: 14,851,329 km (0.076 R)
• M12: 17,310,568 km (0.1 R)
• M13: 18,431,654 km (0.05 R)
• M14: 21,627,663 km (0.104 R)
• M15: 24,181,299 km (0.116 R)
• M16: 27,035,626 km (0.106 R)
• M17: 31,026,299 km (0.089 R)
• M18: 31,845,647 km (0.053 R)
• M19: 34,889,515 km (0.1 R)
• M20: 37,460,504 km (0.052 R)
• M21: 41,832,950 km (0.077 R)
• M22: 43,995,088 km (0.095 R)
• M23: 45,477,154 km (0.064 R)
• M24: 56,798,272 km (0.117 R)
• M25: 59,267,834 km (0.044 R)
• M26: 60,347,781 km (0.12 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.8

Radius: 10.4

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 10.04 AU - 14.1 AU

Year: 15316 Days

Day: 6.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,343,967 km

• M1: 130,300 km (0.042 R)
• M2: 582,085 km (0.107 R)
• M3: 2,312,484 km (0.108 R)
• M4: 3,091,590 km (0.104 R)
• M5: 4,076,093 km (0.039 R)
• M6: 8,188,090 km (0.097 R)
• M7: 8,737,264 km (0.086 R)
• M8: 10,090,526 km (0.076 R)
• M9: 13,693,890 km (0.05 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.8

Radius: 6.5

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 16.2 AU - 16.7 AU

Year: 24369 Days

Day: 17.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,343,967 km

• M1: 83,027 km (0.091 R)
• M2: 311,463 km (0.092 R)
• M3: 690,843 km (0.085 R)
• M4: 4,384,265 km (0.119 R)
• M5: 6,395,758 km (0.086 R)
• M6: 10,865,293 km (0.084 R)
• M7: 13,251,379 km (0.117 R)
• M8: 16,381,715 km (0.057 R)
• M9: 16,634,685 km (0.118 R)
• M10: 17,938,729 km (0.082 R)
• M11: 22,052,521 km (0.041 R)
• M12: 24,601,669 km (0.101 R)
• M13: 27,577,769 km (0.081 R)
• M14: 32,478,745 km (0.045 R)
• M15: 37,636,730 km (0.025 R)
• M16: 41,571,004 km (0.055 R)
• M17: 43,314,867 km (0.1 R)
• M18: 48,318,018 km (0.061 R)
• M19: 63,513,571 km (0.111 R)
• M20: 64,138,142 km (0.11 R)
• M21: 76,327,227 km (0.082 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 15,674 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit