🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.35 AU - 1.45 AU

Year: 611 Days

Day: 28.5 Hours

Environment

Temp: -36 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,983,142 km

• M1: 24,684 km (0.059 R)
• M2: 448,345 km (0.093 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.34 AU - 2.44 AU

Year: 1363 Days

Day: 40.5 Hours

Environment

Temp: -81 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,983,142 km

• M1: 83,176 km (0.098 R)
• M2: 1,298,510 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.22 AU - 3.36 AU

Year: 2202 Days

Day: 30.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968

Radius: 11.8

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.48 AU - 6.94 AU

Year: 5710 Days

Day: 10.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,983,142 km

• M1: 146,756 km (0.062 R)
• M2: 758,162 km (0.046 R)
• M3: 1,213,688 km (0.112 R)
• M4: 2,706,674 km (0.093 R)
• M5: 3,902,260 km (0.116 R)
• M6: 4,511,423 km (0.073 R)
• M7: 5,421,726 km (0.072 R)
• M8: 6,553,135 km (0.117 R)
• M9: 7,156,762 km (0.108 R)
• M10: 8,032,059 km (0.093 R)
• M11: 9,366,771 km (0.103 R)
• M12: 10,796,030 km (0.109 R)
• M13: 13,967,056 km (0.06 R)
• M14: 15,088,740 km (0.075 R)
• M15: 15,827,455 km (0.114 R)
• M16: 17,983,758 km (0.065 R)
• M17: 18,884,637 km (0.068 R)
• M18: 19,961,293 km (0.11 R)
• M19: 20,776,601 km (0.11 R)
• M20: 22,315,514 km (0.038 R)
• M21: 23,518,580 km (0.073 R)
• M22: 25,360,729 km (0.107 R)
• M23: 26,141,330 km (0.1 R)
• M24: 28,301,524 km (0.061 R)
• M25: 29,997,814 km (0.119 R)
• M26: 30,969,153 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.5

Radius: 13

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.37 AU - 8.03 AU

Year: 7128 Days

Day: 14.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,983,142 km

• M1: 162,014 km (0.114 R)
• M2: 569,818 km (0.087 R)
• M3: 1,415,794 km (0.06 R)
• M4: 2,235,591 km (0.027 R)
• M5: 2,713,705 km (0.074 R)
• M6: 3,223,834 km (0.061 R)
• M7: 3,697,611 km (0.071 R)
• M8: 6,421,638 km (0.079 R)
• M9: 7,366,798 km (0.044 R)
• M10: 12,095,437 km (0.078 R)
• M11: 12,502,193 km (0.105 R)
• M12: 13,777,814 km (0.091 R)
• M13: 15,558,328 km (0.112 R)
• M14: 16,366,755 km (0.114 R)
• M15: 20,641,963 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.4

Radius: 9.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.93 AU - 8.85 AU

Year: 7412 Days

Day: 12.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,983,142 km

• M1: 122,072 km (0.085 R)
• M2: 416,032 km (0.108 R)
• M3: 2,211,356 km (0.068 R)
• M4: 4,404,161 km (0.113 R)
• M5: 7,412,275 km (0.106 R)
• M6: 10,046,843 km (0.05 R)
• M7: 18,229,249 km (0.115 R)
• M8: 20,488,625 km (0.052 R)
• M9: 21,098,536 km (0.092 R)
• M10: 25,245,688 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.3

Radius: 10.7

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 8.39 AU - 12.49 AU

Year: 12446 Days

Day: 6.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,983,142 km

• M1: 134,488 km (0.025 R)
• M2: 896,540 km (0.041 R)
• M3: 1,336,657 km (0.08 R)
• M4: 2,113,070 km (0.118 R)
• M5: 2,731,358 km (0.098 R)
• M6: 3,544,123 km (0.039 R)
• M7: 4,328,465 km (0.113 R)
• M8: 5,089,619 km (0.1 R)
• M9: 8,095,339 km (0.115 R)
• M10: 9,350,465 km (0.092 R)
• M11: 11,881,811 km (0.104 R)
• M12: 12,549,017 km (0.115 R)
• M13: 13,498,814 km (0.086 R)
• M14: 18,494,037 km (0.075 R)
• M15: 34,299,351 km (0.103 R)
• M16: 34,664,519 km (0.09 R)
• M17: 35,032,231 km (0.113 R)
• M18: 49,145,444 km (0.089 R)
• M19: 53,593,736 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 13.2

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 10.04 AU - 12.44 AU

Year: 13904 Days

Day: 14.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,983,142 km

• M1: 164,408 km (0.094 R)
• M2: 645,365 km (0.046 R)
• M3: 1,081,144 km (0.066 R)
• M4: 1,493,136 km (0.078 R)
• M5: 2,238,583 km (0.07 R)
• M6: 2,975,053 km (0.085 R)
• M7: 3,534,100 km (0.118 R)
• M8: 4,013,561 km (0.116 R)
• M9: 5,139,435 km (0.069 R)
• M10: 6,506,909 km (0.098 R)
• M11: 7,099,765 km (0.04 R)
• M12: 7,636,523 km (0.066 R)
• M13: 8,492,372 km (0.12 R)
• M14: 10,282,759 km (0.087 R)
• M15: 11,266,964 km (0.037 R)
• M16: 11,998,796 km (0.118 R)
• M17: 15,916,017 km (0.077 R)
• M18: 16,681,808 km (0.079 R)
• M19: 19,212,705 km (0.097 R)
• M20: 26,481,965 km (0.039 R)
• M21: 31,077,162 km (0.03 R)
• M22: 31,671,515 km (0.037 R)
• M23: 38,584,283 km (0.117 R)
• M24: 39,409,465 km (0.071 R)
• M25: 40,246,465 km (0.107 R)
• M26: 45,063,067 km (0.028 R)
• M27: 46,905,964 km (0.11 R)
• M28: 48,638,905 km (0.09 R)
• M29: 59,942,969 km (0.099 R)
• M30: 60,864,642 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94.8

Radius: 5.9

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 17.64 AU - 18.74 AU

Year: 28624 Days

Day: 22.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 49,983,142 km

• M1: 74,799 km (0.081 R)
• M2: 309,967 km (0.062 R)
• M3: 680,670 km (0.098 R)
• M4: 960,718 km (0.116 R)
• M5: 1,253,181 km (0.102 R)
• M6: 1,475,633 km (0.056 R)
• M7: 2,158,697 km (0.107 R)
• M8: 2,855,524 km (0.108 R)
• M9: 6,850,984 km (0.106 R)
• M10: 9,611,214 km (0.105 R)
• M11: 10,323,749 km (0.111 R)
• M12: 10,586,593 km (0.106 R)
• M13: 11,796,390 km (0.108 R)
• M14: 12,493,816 km (0.069 R)
• M15: 13,156,983 km (0.114 R)
• M16: 14,950,362 km (0.06 R)
• M17: 15,491,308 km (0.115 R)
• M18: 19,971,765 km (0.067 R)
• M19: 24,216,604 km (0.099 R)
• M20: 28,405,344 km (0.083 R)
• M21: 33,854,148 km (0.116 R)
• M22: 37,683,853 km (0.117 R)
• M23: 42,999,963 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 12,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit