🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.64 AU - 5.12 AU

Year: 3222 Days

Day: 13.2 Hours

Environment

Temp: -123 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.84 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 9.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.3

Radius: 12.4

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 8.97 AU - 9.63 AU

Year: 9968 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,124,933 km

• M1: 156,180 km (0.115 R)
• M2: 616,642 km (0.116 R)
• M3: 1,422,975 km (0.12 R)
• M4: 2,136,108 km (0.091 R)
• M5: 2,917,158 km (0.082 R)
• M6: 4,274,460 km (0.078 R)
• M7: 5,870,220 km (0.098 R)
• M8: 8,099,678 km (0.064 R)
• M9: 9,379,487 km (0.058 R)
• M10: 11,010,104 km (0.115 R)
• M11: 12,638,926 km (0.077 R)
• M12: 16,882,120 km (0.068 R)
• M13: 17,939,926 km (0.08 R)
• M14: 19,690,820 km (0.099 R)
• M15: 20,523,182 km (0.116 R)
• M16: 22,706,862 km (0.057 R)
• M17: 27,224,419 km (0.111 R)
• M18: 27,841,211 km (0.076 R)
• M19: 28,572,595 km (0.116 R)
• M20: 30,073,660 km (0.095 R)
• M21: 31,626,635 km (0.083 R)
• M22: 33,701,109 km (0.07 R)
• M23: 40,069,341 km (0.117 R)
• M24: 44,876,369 km (0.11 R)
• M25: 46,609,161 km (0.09 R)
• M26: 49,748,323 km (0.096 R)
• M27: 50,670,594 km (0.074 R)
• M28: 51,135,843 km (0.063 R)
• M29: 51,760,714 km (0.102 R)
• M30: 53,826,959 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.2

Radius: 14.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.49 AU - 10.39 AU

Year: 11014 Days

Day: 9.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 68.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,124,933 km

• M1: 187,745 km (0.103 R)
• M2: 667,057 km (0.096 R)
• M3: 1,453,792 km (0.106 R)
• M4: 2,708,769 km (0.1 R)
• M5: 4,355,692 km (0.081 R)
• M6: 5,379,091 km (0.119 R)
• M7: 8,403,960 km (0.081 R)
• M8: 11,074,880 km (0.102 R)
• M9: 13,038,502 km (0.053 R)
• M10: 13,938,183 km (0.084 R)
• M11: 17,956,232 km (0.1 R)
• M12: 23,613,874 km (0.116 R)
• M13: 24,371,737 km (0.043 R)
• M14: 29,809,021 km (0.057 R)
• M15: 33,812,859 km (0.072 R)
• M16: 34,412,597 km (0.036 R)
• M17: 38,551,222 km (0.088 R)
• M18: 40,943,142 km (0.108 R)
• M19: 47,652,756 km (0.114 R)
• M20: 52,298,668 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705

Radius: 10.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 9.8 AU - 12.78 AU

Year: 13333 Days

Day: 13.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,124,933 km

• M1: 129,402 km (0.064 R)
• M2: 1,169,407 km (0.073 R)
• M3: 1,740,571 km (0.079 R)
• M4: 2,702,336 km (0.08 R)
• M5: 3,140,658 km (0.117 R)
• M6: 3,493,559 km (0.065 R)
• M7: 4,556,602 km (0.119 R)
• M8: 5,459,724 km (0.1 R)
• M9: 6,125,285 km (0.084 R)
• M10: 10,457,190 km (0.064 R)
• M11: 10,962,233 km (0.06 R)
• M12: 11,720,395 km (0.034 R)
• M13: 13,669,505 km (0.092 R)
• M14: 15,248,810 km (0.066 R)
• M15: 19,766,367 km (0.079 R)
• M16: 20,539,040 km (0.101 R)
• M17: 20,977,062 km (0.096 R)
• M18: 28,642,457 km (0.098 R)
• M19: 30,986,357 km (0.085 R)
• M20: 31,446,968 km (0.092 R)
• M21: 37,335,589 km (0.061 R)
• M22: 45,976,512 km (0.082 R)
• M23: 48,559,618 km (0.034 R)
• M24: 50,281,640 km (0.081 R)
• M25: 50,758,258 km (0.075 R)
• M26: 51,720,621 km (0.07 R)
• M27: 54,513,165 km (0.043 R)
• M28: 55,522,352 km (0.063 R)
• M29: 56,715,246 km (0.069 R)
• M30: 58,274,205 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 12.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.9

Radius: 8.4

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 10.6 AU - 14.36 AU

Year: 15495 Days

Day: 11.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,124,933 km

• M1: 105,018 km (0.03 R)
• M2: 437,424 km (0.083 R)
• M3: 1,331,271 km (0.071 R)
• M4: 1,993,092 km (0.116 R)
• M5: 2,388,480 km (0.074 R)
• M6: 2,880,956 km (0.12 R)
• M7: 3,237,597 km (0.087 R)
• M8: 3,650,188 km (0.108 R)
• M9: 3,925,747 km (0.112 R)
• M10: 4,244,840 km (0.042 R)
• M11: 4,869,560 km (0.115 R)
• M12: 5,204,211 km (0.099 R)
• M13: 7,071,940 km (0.077 R)
• M14: 7,768,169 km (0.111 R)
• M15: 8,509,276 km (0.109 R)
• M16: 14,044,547 km (0.071 R)
• M17: 19,025,558 km (0.08 R)
• M18: 19,857,771 km (0.101 R)
• M19: 22,044,144 km (0.111 R)
• M20: 23,905,141 km (0.112 R)
• M21: 26,171,998 km (0.096 R)
• M22: 30,113,154 km (0.073 R)
• M23: 35,418,343 km (0.074 R)
• M24: 37,445,544 km (0.104 R)
• M25: 39,015,723 km (0.089 R)
• M26: 42,286,980 km (0.045 R)
• M27: 43,416,743 km (0.098 R)
• M28: 45,149,086 km (0.079 R)
• M29: 46,926,907 km (0.071 R)
• M30: 47,681,329 km (0.105 R)
• M31: 48,905,190 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.9

Radius: 7.8

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 12.63 AU - 14.77 AU

Year: 17822 Days

Day: 18.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,124,933 km

• M1: 96,939 km (0.036 R)
• M2: 609,163 km (0.084 R)
• M3: 1,719,179 km (0.073 R)
• M4: 3,340,969 km (0.073 R)
• M5: 4,915,786 km (0.12 R)
• M6: 5,754,132 km (0.037 R)
• M7: 7,185,485 km (0.106 R)
• M8: 7,892,484 km (0.114 R)
• M9: 12,947,097 km (0.057 R)
• M10: 13,462,761 km (0.067 R)
• M11: 13,725,754 km (0.117 R)
• M12: 15,233,551 km (0.113 R)
• M13: 16,697,516 km (0.12 R)
• M14: 17,697,877 km (0.054 R)
• M15: 18,901,093 km (0.112 R)
• M16: 19,314,132 km (0.094 R)
• M17: 22,375,354 km (0.107 R)
• M18: 24,848,506 km (0.062 R)
• M19: 28,782,630 km (0.117 R)
• M20: 36,823,815 km (0.058 R)
• M21: 38,251,278 km (0.09 R)
• M22: 39,178,635 km (0.095 R)
• M23: 40,529,205 km (0.1 R)
• M24: 43,180,528 km (0.057 R)
• M25: 49,291,152 km (0.089 R)
• M26: 50,231,225 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.9

Radius: 3.6

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 15.71 AU - 20.27 AU

Year: 26818 Days

Day: 15.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,124,933 km

• M1: 46,675 km (0.117 R)
• M2: 736,022 km (0.098 R)
• M3: 1,053,319 km (0.028 R)
• M4: 1,604,886 km (0.113 R)
• M5: 2,428,721 km (0.065 R)
• M6: 2,553,785 km (0.088 R)
• M7: 2,885,444 km (0.044 R)
• M8: 4,629,157 km (0.103 R)
• M9: 5,756,376 km (0.112 R)
• M10: 9,893,356 km (0.111 R)
• M11: 10,485,165 km (0.078 R)
• M12: 16,388,447 km (0.095 R)
• M13: 18,307,937 km (0.074 R)
• M14: 18,952,405 km (0.092 R)
• M15: 20,976,613 km (0.085 R)
• M16: 25,349,060 km (0.095 R)
• M17: 25,547,576 km (0.098 R)
• M18: 25,747,140 km (0.114 R)
• M19: 29,518,203 km (0.058 R)
• M20: 29,958,619 km (0.08 R)
• M21: 33,046,918 km (0.07 R)
• M22: 34,728,697 km (0.032 R)
• M23: 36,719,695 km (0.101 R)
• M24: 43,005,648 km (0.115 R)

Kuiper Belt

Range: 31.2 - 54.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 13,048 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit