🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.42 AU - 0.7 AU

Year: 275 Days

Day: 33.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 170.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.25 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 14.5

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.69 AU - 2.19 AU

Year: 1773 Days

Day: 10.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,165,360 km

• M1: 183,856 km (0.105 R)
• M2: 663,766 km (0.104 R)
• M3: 1,166,863 km (0.093 R)
• M4: 1,775,727 km (0.091 R)
• M5: 2,803,464 km (0.087 R)
• M6: 3,385,549 km (0.043 R)
• M7: 4,085,219 km (0.115 R)
• M8: 4,922,219 km (0.071 R)
• M9: 5,611,267 km (0.091 R)
• M10: 6,064,997 km (0.115 R)
• M11: 6,725,771 km (0.058 R)
• M12: 8,497,159 km (0.085 R)
• M13: 9,392,054 km (0.099 R)
• M14: 10,034,576 km (0.105 R)
• M15: 12,739,605 km (0.088 R)
• M16: 15,155,910 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.5

Radius: 8.8

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.11 AU - 2.29 AU

Year: 2141 Days

Day: 8.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,165,360 km

• M1: 109,506 km (0.032 R)
• M2: 388,805 km (0.074 R)
• M3: 771,626 km (0.063 R)
• M4: 1,067,530 km (0.091 R)
• M5: 1,489,696 km (0.114 R)
• M6: 2,344,049 km (0.054 R)
• M7: 5,144,372 km (0.046 R)
• M8: 7,378,915 km (0.12 R)
• M9: 9,934,196 km (0.113 R)
• M10: 10,722,278 km (0.113 R)
• M11: 12,002,536 km (0.111 R)
• M12: 13,471,438 km (0.064 R)
• M13: 16,349,850 km (0.067 R)
• M14: 17,500,707 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.1

Radius: 13.4

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.38 AU - 2.92 AU

Year: 2830 Days

Day: 7.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,165,360 km

• M1: 166,652 km (0.101 R)
• M2: 678,576 km (0.085 R)
• M3: 1,736,981 km (0.104 R)
• M4: 2,591,634 km (0.097 R)
• M5: 3,073,189 km (0.112 R)
• M6: 3,908,843 km (0.116 R)
• M7: 4,659,674 km (0.116 R)
• M8: 5,081,989 km (0.113 R)
• M9: 6,621,651 km (0.072 R)
• M10: 7,096,773 km (0.1 R)
• M11: 7,787,168 km (0.05 R)
• M12: 8,521,992 km (0.086 R)
• M13: 9,013,272 km (0.118 R)
• M14: 9,486,450 km (0.091 R)
• M15: 10,682,335 km (0.072 R)
• M16: 11,976,207 km (0.105 R)
• M17: 12,683,805 km (0.092 R)
• M18: 14,574,872 km (0.098 R)
• M19: 17,867,820 km (0.104 R)
• M20: 18,558,214 km (0.086 R)
• M21: 20,238,198 km (0.104 R)
• M22: 21,242,748 km (0.096 R)
• M23: 21,692,439 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.2

Radius: 7.1

Gravity: 13.59 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.65 AU - 7.03 AU

Year: 11735 Days

Day: 19.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,165,360 km

• M1: 143,165 km (0.114 R)
• M2: 617,540 km (0.088 R)
• M3: 842,984 km (0.056 R)
• M4: 1,400,386 km (0.113 R)
• M5: 1,644,081 km (0.072 R)
• M6: 1,916,199 km (0.071 R)
• M7: 2,162,587 km (0.072 R)
• M8: 5,407,365 km (0.041 R)
• M9: 5,794,674 km (0.05 R)
• M10: 6,744,022 km (0.097 R)
• M11: 11,135,467 km (0.105 R)
• M12: 11,937,910 km (0.108 R)
• M13: 12,353,343 km (0.069 R)
• M14: 19,145,535 km (0.114 R)
• M15: 22,105,030 km (0.057 R)
• M16: 24,019,883 km (0.031 R)
• M17: 26,042,596 km (0.055 R)
• M18: 27,452,556 km (0.103 R)
• M19: 27,968,070 km (0.115 R)
• M20: 28,912,481 km (0.118 R)
• M21: 29,446,246 km (0.119 R)
• M22: 35,881,199 km (0.094 R)
• M23: 47,787,993 km (0.093 R)
• M24: 50,664,460 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.2

Radius: 5.1

Gravity: 37.11 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 8.48 AU - 9.66 AU

Year: 17919 Days

Day: 16.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 54.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,165,360 km

• M1: 64,028 km (0.076 R)
• M2: 245,640 km (0.069 R)
• M3: 581,487 km (0.099 R)
• M4: 818,151 km (0.091 R)
• M5: 1,675,197 km (0.114 R)
• M6: 2,138,651 km (0.077 R)
• M7: 2,446,224 km (0.117 R)
• M8: 3,041,474 km (0.077 R)
• M9: 3,547,863 km (0.051 R)
• M10: 3,883,860 km (0.029 R)
• M11: 4,513,817 km (0.105 R)
• M12: 4,835,003 km (0.072 R)
• M13: 5,325,684 km (0.096 R)
• M14: 7,186,083 km (0.111 R)
• M15: 8,446,296 km (0.068 R)
• M16: 12,330,156 km (0.116 R)
• M17: 14,124,433 km (0.1 R)
• M18: 14,579,659 km (0.035 R)
• M19: 18,399,790 km (0.102 R)
• M20: 19,589,392 km (0.066 R)
• M21: 27,350,829 km (0.078 R)
• M22: 28,776,347 km (0.087 R)
• M23: 30,375,698 km (0.105 R)
• M24: 37,079,777 km (0.086 R)
• M25: 37,655,130 km (0.075 R)
• M26: 41,850,603 km (0.05 R)
• M27: 48,198,190 km (0.091 R)
• M28: 49,748,921 km (0.078 R)
• M29: 54,600,380 km (0.109 R)
• M30: 55,719,672 km (0.08 R)
• M31: 63,986,450 km (0.092 R)
• M32: 68,410,358 km (0.111 R)
• M33: 69,492,998 km (0.093 R)
• M34: 71,248,679 km (0.118 R)
• M35: 73,033,830 km (0.117 R)
• M36: 73,937,551 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 424.1

Radius: 6.4

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.93 AU - 12.79 AU

Year: 23478 Days

Day: 23.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,165,360 km

• M1: 81,980 km (0.112 R)
• M2: 337,792 km (0.106 R)
• M3: 581,936 km (0.039 R)
• M4: 945,309 km (0.102 R)
• M5: 1,233,135 km (0.117 R)
• M6: 1,514,230 km (0.08 R)
• M7: 1,837,660 km (0.113 R)
• M8: 2,268,951 km (0.084 R)
• M9: 3,613,836 km (0.111 R)
• M10: 4,868,214 km (0.075 R)
• M11: 5,120,885 km (0.108 R)
• M12: 5,535,570 km (0.078 R)
• M13: 6,825,104 km (0.09 R)
• M14: 7,188,028 km (0.095 R)
• M15: 7,611,689 km (0.061 R)
• M16: 8,001,990 km (0.12 R)
• M17: 9,925,819 km (0.111 R)
• M18: 10,274,083 km (0.076 R)
• M19: 11,557,034 km (0.119 R)
• M20: 13,999,369 km (0.109 R)
• M21: 22,845,839 km (0.076 R)
• M22: 28,237,645 km (0.075 R)
• M23: 28,819,282 km (0.111 R)
• M24: 30,127,366 km (0.091 R)
• M25: 33,894,838 km (0.113 R)
• M26: 52,805,505 km (0.112 R)
• M27: 53,333,885 km (0.114 R)
• M28: 54,401,266 km (0.065 R)
• M29: 60,913,411 km (0.116 R)
• M30: 67,926,110 km (0.105 R)
• M31: 71,089,507 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 13,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit