🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 485.2

Radius: 9.7

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.71 AU - 1.09 AU

Year: 579 Days

Day: 5.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,655,395 km

• M1: 127,757 km (0.036 R)
• M2: 430,842 km (0.093 R)
• M3: 1,689,708 km (0.071 R)
• M4: 2,093,622 km (0.098 R)
• M5: 2,531,794 km (0.104 R)
• M6: 3,669,785 km (0.112 R)
• M7: 5,936,642 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.5

Radius: 13.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.89 AU - 1.21 AU

Year: 730 Days

Day: 7 Hours

Environment

Temp: -167 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,655,395 km

• M1: 162,912 km (0.086 R)
• M2: 1,269,637 km (0.115 R)
• M3: 2,778,182 km (0.068 R)
• M4: 3,271,257 km (0.119 R)
• M5: 3,690,131 km (0.117 R)
• M6: 4,370,203 km (0.081 R)
• M7: 7,012,400 km (0.047 R)
• M8: 7,546,764 km (0.083 R)
• M9: 8,541,141 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.5

Radius: 15

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.22 AU - 1.58 AU

Year: 1124 Days

Day: 15 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,655,395 km

• M1: 186,549 km (0.119 R)
• M2: 757,863 km (0.073 R)
• M3: 1,348,774 km (0.109 R)
• M4: 1,986,510 km (0.034 R)
• M5: 2,512,646 km (0.092 R)
• M6: 3,479,646 km (0.075 R)
• M7: 4,908,755 km (0.099 R)
• M8: 5,484,258 km (0.077 R)
• M9: 6,284,158 km (0.105 R)
• M10: 8,585,272 km (0.096 R)
• M11: 10,703,728 km (0.078 R)
• M12: 11,436,458 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.5

Radius: 13.3

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.33 AU - 1.59 AU

Year: 1197 Days

Day: 10.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,655,395 km

• M1: 166,502 km (0.068 R)
• M2: 671,545 km (0.105 R)
• M3: 1,535,024 km (0.066 R)
• M4: 2,099,157 km (0.115 R)
• M5: 2,631,875 km (0.076 R)
• M6: 3,132,879 km (0.092 R)
• M7: 3,942,353 km (0.087 R)
• M8: 4,363,321 km (0.11 R)
• M9: 5,126,569 km (0.084 R)
• M10: 7,535,993 km (0.109 R)
• M11: 9,723,862 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.9

Radius: 10.7

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.7 AU - 3 AU

Year: 3263 Days

Day: 6.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,655,395 km

• M1: 133,142 km (0.107 R)
• M2: 597,943 km (0.047 R)
• M3: 1,419,085 km (0.1 R)
• M4: 2,223,623 km (0.083 R)
• M5: 3,324,513 km (0.087 R)
• M6: 4,014,908 km (0.066 R)
• M7: 5,030,827 km (0.093 R)
• M8: 5,382,681 km (0.03 R)
• M9: 5,727,354 km (0.074 R)
• M10: 7,939,757 km (0.093 R)
• M11: 8,602,626 km (0.093 R)
• M12: 10,995,443 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594

Radius: 8.7

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.76 AU - 5.7 AU

Year: 8112 Days

Day: 11.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,655,395 km

• M1: 108,159 km (0.06 R)
• M2: 397,631 km (0.111 R)
• M3: 1,035,816 km (0.076 R)
• M4: 2,478,388 km (0.036 R)
• M5: 2,962,636 km (0.078 R)
• M6: 3,238,644 km (0.116 R)
• M7: 4,120,524 km (0.107 R)
• M8: 4,772,920 km (0.115 R)
• M9: 6,704,977 km (0.117 R)
• M10: 7,804,521 km (0.038 R)
• M11: 9,241,408 km (0.093 R)
• M12: 10,069,881 km (0.113 R)
• M13: 11,980,097 km (0.053 R)
• M14: 12,685,750 km (0.108 R)
• M15: 13,077,098 km (0.096 R)
• M16: 16,045,419 km (0.055 R)
• M17: 16,702,153 km (0.088 R)
• M18: 17,104,721 km (0.116 R)
• M19: 18,209,801 km (0.101 R)
• M20: 19,288,401 km (0.075 R)
• M21: 21,493,624 km (0.099 R)
• M22: 23,274,886 km (0.076 R)
• M23: 24,372,485 km (0.114 R)
• M24: 31,286,300 km (0.059 R)
• M25: 31,693,356 km (0.093 R)
• M26: 36,520,131 km (0.063 R)
• M27: 39,048,934 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.8

Radius: 10.2

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.21 AU - 5.45 AU

Year: 8346 Days

Day: 11.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,655,395 km

• M1: 129,253 km (0.094 R)
• M2: 543,489 km (0.111 R)
• M3: 2,068,041 km (0.084 R)
• M4: 3,569,256 km (0.037 R)
• M5: 5,669,311 km (0.071 R)
• M6: 7,338,972 km (0.072 R)
• M7: 9,067,127 km (0.117 R)
• M8: 10,971,657 km (0.09 R)
• M9: 14,236,631 km (0.101 R)
• M10: 15,961,494 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.3

Radius: 7.8

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.71 AU - 8.43 AU

Year: 12750 Days

Day: 22 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,655,395 km

• M1: 98,286 km (0.11 R)
• M2: 468,092 km (0.084 R)
• M3: 956,978 km (0.051 R)
• M4: 1,234,631 km (0.071 R)
• M5: 1,651,112 km (0.082 R)
• M6: 3,087,550 km (0.061 R)
• M7: 3,989,177 km (0.114 R)
• M8: 4,458,017 km (0.086 R)
• M9: 7,054,587 km (0.072 R)
• M10: 8,207,388 km (0.119 R)
• M11: 9,011,925 km (0.119 R)
• M12: 11,092,233 km (0.085 R)
• M13: 14,912,215 km (0.117 R)
• M14: 17,945,013 km (0.045 R)
• M15: 18,762,864 km (0.106 R)
• M16: 26,317,407 km (0.073 R)
• M17: 29,669,297 km (0.114 R)
• M18: 31,768,305 km (0.075 R)
• M19: 32,091,436 km (0.098 R)
• M20: 37,086,958 km (0.088 R)
• M21: 38,412,245 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.9

Radius: 5.6

Gravity: 31.76 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 6.68 AU - 7.86 AU

Year: 13295 Days

Day: 21 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,655,395 km

• M1: 69,713 km (0.086 R)
• M2: 269,575 km (0.095 R)
• M3: 659,876 km (0.032 R)
• M4: 847,023 km (0.115 R)
• M5: 1,131,708 km (0.066 R)
• M6: 1,805,347 km (0.094 R)
• M7: 2,023,461 km (0.094 R)
• M8: 2,259,377 km (0.096 R)
• M9: 3,053,741 km (0.039 R)
• M10: 3,473,214 km (0.097 R)
• M11: 4,362,274 km (0.038 R)
• M12: 6,966,324 km (0.102 R)
• M13: 8,924,111 km (0.059 R)
• M14: 9,506,047 km (0.084 R)
• M15: 9,889,167 km (0.098 R)
• M16: 11,041,071 km (0.088 R)
• M17: 12,088,256 km (0.118 R)
• M18: 13,815,363 km (0.049 R)
• M19: 15,776,292 km (0.09 R)
• M20: 17,750,685 km (0.067 R)
• M21: 18,247,948 km (0.081 R)
• M22: 20,240,293 km (0.117 R)
• M23: 22,086,929 km (0.082 R)
• M24: 22,662,133 km (0.027 R)
• M25: 24,143,600 km (0.106 R)
• M26: 24,856,733 km (0.093 R)
• M27: 26,111,411 km (0.118 R)
• M28: 28,408,037 km (0.1 R)
• M29: 31,073,871 km (0.102 R)
• M30: 34,667,063 km (0.084 R)
• M31: 40,632,427 km (0.075 R)
• M32: 41,640,567 km (0.038 R)
• M33: 45,684,946 km (0.104 R)
• M34: 50,642,470 km (0.082 R)
• M35: 53,679,456 km (0.106 R)
• M36: 55,242,455 km (0.114 R)
• M37: 55,593,860 km (0.118 R)
• M38: 58,095,735 km (0.114 R)
• M39: 62,177,064 km (0.099 R)
• M40: 64,481,918 km (0.094 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 465 - 19,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit