🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.7 AU - 2.4 AU

Year: 1062 Days

Day: 29 Hours

Environment

Temp: -75 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.58 AU - 3.96 AU

Year: 2647 Days

Day: 43.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,246,703 km

• M1: 1,212,341 km (0.112 R)

Asteroid Belt

Center: 4.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 14.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 5.27 AU - 6.31 AU

Year: 5039 Days

Day: 5.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,246,703 km

• M1: 185,501 km (0.051 R)
• M2: 1,343,987 km (0.119 R)
• M3: 1,863,840 km (0.049 R)
• M4: 3,092,786 km (0.049 R)
• M5: 4,042,284 km (0.064 R)
• M6: 4,505,589 km (0.094 R)
• M7: 6,030,290 km (0.104 R)
• M8: 7,448,179 km (0.09 R)
• M9: 10,603,347 km (0.034 R)
• M10: 11,755,251 km (0.111 R)
• M11: 12,800,940 km (0.113 R)
• M12: 14,106,630 km (0.084 R)
• M13: 15,767,316 km (0.085 R)
• M14: 16,756,906 km (0.092 R)
• M15: 20,742,942 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 11.2

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 6.61 AU - 7.27 AU

Year: 6612 Days

Day: 7.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,246,703 km

• M1: 139,425 km (0.058 R)
• M2: 490,232 km (0.103 R)
• M3: 1,072,467 km (0.059 R)
• M4: 1,451,399 km (0.042 R)
• M5: 2,031,240 km (0.107 R)
• M6: 2,788,804 km (0.104 R)
• M7: 4,136,531 km (0.118 R)
• M8: 5,645,225 km (0.066 R)
• M9: 6,116,309 km (0.098 R)
• M10: 8,033,406 km (0.112 R)
• M11: 8,722,453 km (0.073 R)
• M12: 11,392,925 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.7

Radius: 9.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.66 AU - 8.96 AU

Year: 8663 Days

Day: 7.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,246,703 km

• M1: 156,479 km (0.107 R)
• M2: 466,745 km (0.026 R)
• M3: 779,704 km (0.034 R)
• M4: 1,443,320 km (0.057 R)
• M5: 2,086,142 km (0.025 R)
• M6: 2,831,588 km (0.1 R)
• M7: 3,584,365 km (0.061 R)
• M8: 4,517,856 km (0.043 R)
• M9: 5,128,065 km (0.106 R)
• M10: 6,015,181 km (0.065 R)
• M11: 6,965,726 km (0.084 R)
• M12: 8,949,693 km (0.077 R)
• M13: 14,169,611 km (0.115 R)
• M14: 32,208,571 km (0.101 R)
• M15: 34,143,620 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.9

Radius: 4

Gravity: 15.68 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 10.56 AU - 15.46 AU

Year: 16971 Days

Day: 16.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,246,703 km

• M1: 49,816 km (0.034 R)
• M2: 231,278 km (0.039 R)
• M3: 547,827 km (0.067 R)
• M4: 674,238 km (0.078 R)
• M5: 998,566 km (0.077 R)
• M6: 1,238,521 km (0.102 R)
• M7: 2,104,094 km (0.094 R)
• M8: 3,686,989 km (0.068 R)
• M9: 5,714,639 km (0.106 R)
• M10: 6,142,937 km (0.082 R)
• M11: 9,365,126 km (0.1 R)
• M12: 13,251,828 km (0.056 R)
• M13: 15,717,351 km (0.104 R)
• M14: 16,343,119 km (0.108 R)
• M15: 18,472,195 km (0.059 R)
• M16: 19,563,213 km (0.109 R)
• M17: 21,028,075 km (0.05 R)
• M18: 21,363,324 km (0.08 R)
• M19: 22,216,929 km (0.108 R)
• M20: 22,477,379 km (0.069 R)
• M21: 27,720,635 km (0.061 R)
• M22: 44,400,648 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803

Radius: 5.6

Gravity: 25.61 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 13.2 AU - 13.3 AU

Year: 17443 Days

Day: 21.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 64,246,703 km

• M1: 69,713 km (0.104 R)
• M2: 249,679 km (0.062 R)
• M3: 461,809 km (0.1 R)
• M4: 690,843 km (0.079 R)
• M5: 1,415,794 km (0.108 R)
• M6: 1,641,537 km (0.048 R)
• M7: 2,604,499 km (0.089 R)
• M8: 3,206,630 km (0.113 R)
• M9: 5,186,409 km (0.119 R)
• M10: 5,927,516 km (0.117 R)
• M11: 6,916,209 km (0.101 R)
• M12: 10,005,255 km (0.106 R)
• M13: 11,848,451 km (0.102 R)
• M14: 12,309,062 km (0.093 R)
• M15: 13,979,023 km (0.047 R)
• M16: 15,249,558 km (0.098 R)
• M17: 17,005,538 km (0.042 R)
• M18: 17,422,766 km (0.101 R)
• M19: 17,761,306 km (0.094 R)
• M20: 18,715,142 km (0.11 R)
• M21: 19,249,506 km (0.084 R)
• M22: 19,520,428 km (0.079 R)
• M23: 20,442,100 km (0.106 R)
• M24: 20,629,846 km (0.049 R)
• M25: 26,701,425 km (0.099 R)
• M26: 31,183,826 km (0.049 R)
• M27: 34,258,960 km (0.106 R)
• M28: 34,790,331 km (0.117 R)
• M29: 35,058,111 km (0.097 R)
• M30: 40,558,376 km (0.091 R)
• M31: 42,359,834 km (0.056 R)
• M32: 45,799,837 km (0.111 R)
• M33: 49,421,452 km (0.073 R)
• M34: 53,052,342 km (0.114 R)
• M35: 61,814,439 km (0.095 R)
• M36: 62,799,690 km (0.048 R)
• M37: 67,259,502 km (0.055 R)
• M38: 68,511,337 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 228.2

Radius: 6.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 16.88 AU - 18.48 AU

Year: 26885 Days

Day: 21.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,246,703 km

• M1: 85,869 km (0.118 R)
• M2: 302,337 km (0.082 R)
• M3: 561,590 km (0.076 R)
• M4: 939,923 km (0.092 R)
• M5: 1,266,346 km (0.076 R)
• M6: 1,699,731 km (0.072 R)
• M7: 3,154,720 km (0.111 R)
• M8: 3,718,853 km (0.114 R)
• M9: 4,253,965 km (0.118 R)
• M10: 5,011,229 km (0.091 R)
• M11: 6,747,163 km (0.12 R)
• M12: 7,914,924 km (0.091 R)
• M13: 9,423,319 km (0.117 R)
• M14: 10,529,297 km (0.081 R)
• M15: 13,532,923 km (0.093 R)
• M16: 15,525,566 km (0.104 R)
• M17: 19,125,041 km (0.06 R)
• M18: 23,735,647 km (0.061 R)
• M19: 27,479,782 km (0.032 R)
• M20: 30,886,126 km (0.081 R)
• M21: 33,555,999 km (0.074 R)
• M22: 35,851,728 km (0.076 R)
• M23: 39,488,602 km (0.117 R)
• M24: 42,190,489 km (0.107 R)
• M25: 42,774,519 km (0.115 R)
• M26: 45,622,863 km (0.11 R)
• M27: 49,884,457 km (0.119 R)
• M28: 55,443,963 km (0.107 R)
• M29: 60,843,997 km (0.12 R)

Kuiper Belt

Range: 30.3 - 58.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 15,274 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit