🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.04 AU - 1.58 AU

Year: 650 Days

Day: 38.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 49.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,654,693 km

• M1: 54,005 km (0.09 R)
• M2: 123,717 km (0.107 R)

Asteroid Belt

Center: 2.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101

Radius: 9.8

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3.71 AU - 5.23 AU

Year: 4097 Days

Day: 15 Hours

Environment

Temp: -159 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,654,693 km

• M1: 122,820 km (0.117 R)
• M2: 705,354 km (0.108 R)
• M3: 1,133,054 km (0.098 R)
• M4: 1,541,157 km (0.114 R)
• M5: 1,915,601 km (0.119 R)
• M6: 2,632,474 km (0.099 R)
• M7: 3,053,143 km (0.102 R)
• M8: 3,374,030 km (0.069 R)
• M9: 4,475,519 km (0.054 R)
• M10: 5,311,323 km (0.114 R)
• M11: 5,801,106 km (0.07 R)
• M12: 6,793,987 km (0.066 R)
• M13: 8,505,537 km (0.027 R)
• M14: 9,557,359 km (0.106 R)
• M15: 10,014,979 km (0.085 R)
• M16: 11,080,265 km (0.063 R)
• M17: 13,273,520 km (0.098 R)
• M18: 13,719,920 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824

Radius: 10

Gravity: 8.24 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.77 AU - 5.71 AU

Year: 4473 Days

Day: 8.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,654,693 km

• M1: 124,615 km (0.091 R)
• M2: 480,957 km (0.098 R)
• M3: 811,718 km (0.108 R)
• M4: 1,521,261 km (0.085 R)
• M5: 2,468,664 km (0.088 R)
• M6: 3,367,298 km (0.109 R)
• M7: 4,063,078 km (0.04 R)
• M8: 5,423,072 km (0.083 R)
• M9: 5,769,242 km (0.064 R)
• M10: 6,130,072 km (0.077 R)
• M11: 7,132,677 km (0.092 R)
• M12: 8,166,398 km (0.082 R)
• M13: 8,622,223 km (0.095 R)
• M14: 11,439,600 km (0.105 R)
• M15: 11,770,510 km (0.083 R)
• M16: 12,801,838 km (0.097 R)
• M17: 13,158,778 km (0.102 R)
• M18: 18,103,138 km (0.114 R)
• M19: 20,428,188 km (0.035 R)
• M20: 20,916,026 km (0.117 R)
• M21: 22,426,217 km (0.081 R)
• M22: 24,239,792 km (0.119 R)
• M23: 24,708,033 km (0.107 R)
• M24: 27,815,031 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 13.9

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 4.68 AU - 5.82 AU

Year: 5214 Days

Day: 12.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,654,693 km

• M1: 176,675 km (0.116 R)
• M2: 695,032 km (0.062 R)
• M3: 1,207,255 km (0.078 R)
• M4: 1,786,947 km (0.118 R)
• M5: 2,321,310 km (0.092 R)
• M6: 2,850,587 km (0.066 R)
• M7: 4,525,485 km (0.083 R)
• M8: 5,107,571 km (0.093 R)
• M9: 6,422,685 km (0.095 R)
• M10: 6,953,309 km (0.102 R)
• M11: 7,441,596 km (0.072 R)
• M12: 8,103,118 km (0.065 R)
• M13: 9,209,993 km (0.104 R)
• M14: 9,800,157 km (0.084 R)
• M15: 11,056,330 km (0.092 R)
• M16: 12,067,013 km (0.109 R)
• M17: 16,920,716 km (0.095 R)
• M18: 20,160,407 km (0.119 R)
• M19: 21,157,178 km (0.106 R)
• M20: 25,393,790 km (0.052 R)
• M21: 27,580,911 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 12.1

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.97 AU - 5.91 AU

Year: 5500 Days

Day: 8.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 58,654,693 km

• M1: 150,495 km (0.057 R)
• M2: 676,033 km (0.074 R)
• M3: 1,254,229 km (0.109 R)
• M4: 2,068,490 km (0.08 R)
• M5: 2,975,950 km (0.104 R)
• M6: 4,948,099 km (0.114 R)
• M7: 6,930,720 km (0.071 R)
• M8: 9,472,687 km (0.09 R)
• M9: 12,349,454 km (0.03 R)
• M10: 15,818,928 km (0.095 R)
• M11: 17,512,376 km (0.068 R)
• M12: 21,725,949 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.3

Radius: 4.2

Gravity: 22.58 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 9.17 AU - 10.91 AU

Year: 13790 Days

Day: 21.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,654,693 km

• M1: 57,745 km (0.082 R)
• M2: 313,108 km (0.088 R)
• M3: 694,882 km (0.074 R)
• M4: 825,930 km (0.025 R)
• M5: 1,139,188 km (0.098 R)
• M6: 2,343,151 km (0.06 R)
• M7: 3,591,097 km (0.088 R)
• M8: 5,631,313 km (0.113 R)
• M9: 6,094,019 km (0.106 R)
• M10: 6,241,373 km (0.102 R)
• M11: 6,391,120 km (0.111 R)
• M12: 6,620,304 km (0.107 R)
• M13: 8,516,756 km (0.071 R)
• M14: 11,290,899 km (0.073 R)
• M15: 15,010,800 km (0.029 R)
• M16: 35,668,471 km (0.085 R)
• M17: 38,107,066 km (0.039 R)
• M18: 38,986,103 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 480.6

Radius: 6.3

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 10.38 AU - 11.94 AU

Year: 16161 Days

Day: 16.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 152.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,654,693 km

• M1: 78,389 km (0.074 R)
• M2: 356,043 km (0.09 R)
• M3: 553,961 km (0.096 R)
• M4: 858,093 km (0.097 R)
• M5: 1,072,617 km (0.087 R)
• M6: 1,364,183 km (0.108 R)
• M7: 1,961,976 km (0.064 R)
• M8: 2,483,773 km (0.096 R)
• M9: 2,743,475 km (0.079 R)
• M10: 3,369,243 km (0.07 R)
• M11: 4,056,645 km (0.115 R)
• M12: 4,449,190 km (0.1 R)
• M13: 5,345,282 km (0.081 R)
• M14: 8,749,680 km (0.052 R)
• M15: 9,301,996 km (0.095 R)
• M16: 11,745,378 km (0.062 R)
• M17: 12,541,986 km (0.117 R)
• M18: 14,379,198 km (0.109 R)
• M19: 16,614,489 km (0.109 R)
• M20: 17,382,225 km (0.077 R)
• M21: 19,998,243 km (0.068 R)
• M22: 23,336,969 km (0.037 R)
• M23: 25,088,012 km (0.118 R)
• M24: 27,344,696 km (0.064 R)
• M25: 45,691,079 km (0.104 R)
• M26: 47,958,684 km (0.045 R)
• M27: 48,421,091 km (0.11 R)
• M28: 49,825,964 km (0.089 R)
• M29: 53,704,888 km (0.092 R)
• M30: 54,036,995 km (0.12 R)
• M31: 57,780,382 km (0.118 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 13,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit