🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 11.8

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.64 AU - 1.8 AU

Year: 1480 Days

Day: 8 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,823,752 km

• M1: 146,756 km (0.082 R)
• M2: 596,148 km (0.108 R)
• M3: 1,490,294 km (0.118 R)
• M4: 2,659,850 km (0.066 R)
• M5: 4,107,359 km (0.096 R)
• M6: 4,810,469 km (0.064 R)
• M7: 5,329,723 km (0.101 R)
• M8: 6,555,229 km (0.106 R)
• M9: 7,680,654 km (0.037 R)
• M10: 8,598,586 km (0.074 R)
• M11: 9,749,742 km (0.087 R)
• M12: 11,284,915 km (0.095 R)
• M13: 13,696,882 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 10.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.54 AU - 4.24 AU

Year: 5033 Days

Day: 6.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,823,752 km

• M1: 134,339 km (0.108 R)
• M2: 499,956 km (0.094 R)
• M3: 869,912 km (0.079 R)
• M4: 1,409,810 km (0.05 R)
• M5: 1,943,725 km (0.045 R)
• M6: 2,496,340 km (0.092 R)
• M7: 4,252,469 km (0.074 R)
• M8: 4,753,772 km (0.088 R)
• M9: 5,455,984 km (0.062 R)
• M10: 6,590,833 km (0.03 R)
• M11: 8,859,784 km (0.103 R)
• M12: 10,087,684 km (0.118 R)
• M13: 13,123,623 km (0.048 R)
• M14: 13,623,878 km (0.107 R)
• M15: 14,084,939 km (0.049 R)
• M16: 15,092,331 km (0.034 R)
• M17: 18,156,394 km (0.117 R)
• M18: 21,681,818 km (0.103 R)
• M19: 22,029,782 km (0.105 R)
• M20: 23,240,628 km (0.076 R)
• M21: 25,872,503 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 13.9

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.58 AU - 5.04 AU

Year: 6920 Days

Day: 12.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,823,752 km

• M1: 172,935 km (0.054 R)
• M2: 695,780 km (0.101 R)
• M3: 1,251,835 km (0.111 R)
• M4: 2,048,743 km (0.057 R)
• M5: 2,571,587 km (0.071 R)
• M6: 3,050,151 km (0.031 R)
• M7: 3,525,423 km (0.116 R)
• M8: 4,308,419 km (0.118 R)
• M9: 4,936,580 km (0.083 R)
• M10: 5,370,115 km (0.093 R)
• M11: 7,093,781 km (0.098 R)
• M12: 8,419,667 km (0.099 R)
• M13: 9,081,638 km (0.08 R)
• M14: 10,075,267 km (0.103 R)
• M15: 10,957,595 km (0.107 R)
• M16: 12,181,007 km (0.11 R)
• M17: 12,775,509 km (0.115 R)
• M18: 13,756,422 km (0.099 R)
• M19: 14,954,252 km (0.118 R)
• M20: 15,868,295 km (0.11 R)
• M21: 19,901,154 km (0.102 R)
• M22: 21,148,202 km (0.065 R)
• M23: 22,446,861 km (0.071 R)
• M24: 25,282,190 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.9

Radius: 13.2

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.9 AU - 5.04 AU

Year: 7268 Days

Day: 5.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,823,752 km

• M1: 164,258 km (0.102 R)
• M2: 635,193 km (0.097 R)
• M3: 1,194,240 km (0.083 R)
• M4: 1,853,368 km (0.11 R)
• M5: 2,339,561 km (0.116 R)
• M6: 3,261,682 km (0.103 R)
• M7: 4,264,886 km (0.102 R)
• M8: 6,576,921 km (0.111 R)
• M9: 10,963,579 km (0.07 R)
• M10: 11,531,901 km (0.119 R)
• M11: 14,730,603 km (0.114 R)
• M12: 26,853,715 km (0.085 R)
• M13: 27,453,752 km (0.042 R)
• M14: 31,432,757 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 613.8

Radius: 6.9

Gravity: 12.89 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.63 AU - 8.67 AU

Year: 12542 Days

Day: 24.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,823,752 km

• M1: 85,869 km (0.097 R)
• M2: 373,396 km (0.104 R)
• M3: 597,045 km (0.092 R)
• M4: 1,394,402 km (0.09 R)
• M5: 2,938,102 km (0.104 R)
• M6: 3,443,145 km (0.115 R)
• M7: 4,411,791 km (0.085 R)
• M8: 5,207,053 km (0.093 R)
• M9: 9,970,548 km (0.101 R)
• M10: 10,883,245 km (0.113 R)
• M11: 11,105,996 km (0.118 R)
• M12: 11,445,583 km (0.058 R)
• M13: 14,889,626 km (0.081 R)
• M14: 17,712,837 km (0.12 R)
• M15: 18,967,664 km (0.115 R)
• M16: 20,703,149 km (0.086 R)
• M17: 21,917,434 km (0.097 R)
• M18: 23,454,702 km (0.111 R)
• M19: 27,455,548 km (0.115 R)
• M20: 30,545,192 km (0.032 R)
• M21: 33,623,169 km (0.034 R)
• M22: 34,813,668 km (0.062 R)
• M23: 44,795,287 km (0.03 R)
• M24: 48,604,647 km (0.096 R)
• M25: 52,624,342 km (0.117 R)
• M26: 52,942,537 km (0.036 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.7

Radius: 4.5

Gravity: 42.8 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.64 AU - 10.14 AU

Year: 18876 Days

Day: 22.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 166.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,823,752 km

• M1: 56,249 km (0.058 R)
• M2: 221,854 km (0.097 R)
• M3: 458,667 km (0.118 R)
• M4: 633,697 km (0.042 R)
• M5: 788,830 km (0.07 R)
• M6: 969,394 km (0.085 R)
• M7: 3,193,466 km (0.077 R)
• M8: 3,419,508 km (0.118 R)
• M9: 6,614,171 km (0.066 R)
• M10: 6,981,882 km (0.099 R)
• M11: 9,308,279 km (0.101 R)
• M12: 12,654,633 km (0.102 R)
• M13: 17,062,086 km (0.106 R)
• M14: 18,914,108 km (0.11 R)
• M15: 19,374,121 km (0.115 R)
• M16: 20,316,288 km (0.073 R)
• M17: 21,486,742 km (0.089 R)
• M18: 21,686,007 km (0.045 R)
• M19: 26,504,554 km (0.067 R)
• M20: 28,137,714 km (0.089 R)
• M21: 29,222,298 km (0.118 R)
• M22: 30,084,880 km (0.072 R)
• M23: 31,602,999 km (0.108 R)
• M24: 32,774,500 km (0.116 R)
• M25: 35,342,198 km (0.115 R)
• M26: 35,899,300 km (0.088 R)
• M27: 41,796,598 km (0.111 R)
• M28: 42,419,523 km (0.079 R)
• M29: 48,993,602 km (0.119 R)
• M30: 49,339,023 km (0.114 R)
• M31: 49,686,090 km (0.068 R)
• M32: 51,981,819 km (0.093 R)
• M33: 57,739,542 km (0.113 R)
• M34: 61,671,124 km (0.045 R)
• M35: 76,368,367 km (0.068 R)
• M36: 79,182,901 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 401.7

Radius: 5.9

Gravity: 11.54 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 8.22 AU - 11.34 AU

Year: 20064 Days

Day: 22.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,823,752 km

• M1: 74,949 km (0.105 R)
• M2: 420,968 km (0.112 R)
• M3: 954,584 km (0.065 R)
• M4: 2,714,005 km (0.104 R)
• M5: 2,949,621 km (0.071 R)
• M6: 3,972,571 km (0.108 R)
• M7: 5,357,100 km (0.107 R)
• M8: 7,573,542 km (0.1 R)
• M9: 8,480,254 km (0.11 R)
• M10: 16,629,000 km (0.067 R)
• M11: 18,070,076 km (0.106 R)
• M12: 19,333,131 km (0.118 R)
• M13: 25,697,623 km (0.098 R)
• M14: 26,968,008 km (0.093 R)
• M15: 28,058,277 km (0.115 R)
• M16: 30,210,093 km (0.117 R)
• M17: 37,187,787 km (0.11 R)
• M18: 53,531,952 km (0.108 R)
• M19: 54,386,904 km (0.093 R)
• M20: 55,077,298 km (0.042 R)
• M21: 61,369,684 km (0.118 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 522 - 11,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit