🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.2

Radius: 8.3

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.77 AU - 0.89 AU

Year: 488 Days

Day: 8 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,361,662 km

• M1: 103,971 km (0.094 R)
• M2: 365,916 km (0.103 R)
• M3: 724,502 km (0.119 R)
• M4: 1,024,446 km (0.069 R)
• M5: 1,442,273 km (0.068 R)
• M6: 1,919,341 km (0.045 R)
• M7: 2,204,624 km (0.085 R)
• M8: 2,906,986 km (0.094 R)
• M9: 3,200,048 km (0.059 R)
• M10: 3,617,277 km (0.116 R)
• M11: 4,408,051 km (0.106 R)
• M12: 5,677,389 km (0.059 R)
• M13: 6,843,654 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.4

Radius: 12.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.98 AU - 1.32 AU

Year: 796 Days

Day: 5.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,361,662 km

• M1: 159,172 km (0.066 R)
• M2: 572,212 km (0.068 R)
• M3: 1,010,833 km (0.076 R)
• M4: 1,557,164 km (0.118 R)
• M5: 2,052,632 km (0.112 R)
• M6: 2,641,898 km (0.106 R)
• M7: 3,263,178 km (0.117 R)
• M8: 3,802,479 km (0.078 R)
• M9: 4,481,952 km (0.059 R)
• M10: 5,008,387 km (0.098 R)
• M11: 5,500,265 km (0.045 R)
• M12: 6,475,793 km (0.12 R)
• M13: 7,105,600 km (0.116 R)
• M14: 7,943,797 km (0.087 R)
• M15: 8,362,072 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.3

Radius: 14.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.08 AU - 2.62 AU

Year: 2326 Days

Day: 5.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,361,662 km

• M1: 176,675 km (0.06 R)
• M2: 973,284 km (0.068 R)
• M3: 1,755,082 km (0.109 R)
• M4: 2,288,399 km (0.107 R)
• M5: 4,446,049 km (0.079 R)
• M6: 5,058,652 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.5

Radius: 13

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.57 AU - 2.81 AU

Year: 2849 Days

Day: 10.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,361,662 km

• M1: 443,109 km (0.091 R)
• M2: 868,864 km (0.11 R)
• M3: 1,298,061 km (0.076 R)
• M4: 3,265,722 km (0.113 R)
• M5: 5,222,013 km (0.037 R)
• M6: 7,502,483 km (0.079 R)
• M7: 8,292,210 km (0.117 R)
• M8: 9,049,474 km (0.111 R)
• M9: 9,760,962 km (0.091 R)
• M10: 10,734,844 km (0.065 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699

Radius: 3.7

Gravity: 51.06 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.97 AU - 9.97 AU

Year: 17346 Days

Day: 22.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,361,662 km

• M1: 46,375 km (0.096 R)
• M2: 245,341 km (0.066 R)
• M3: 465,698 km (0.07 R)
• M4: 586,424 km (0.077 R)
• M5: 1,082,490 km (0.108 R)
• M6: 1,493,884 km (0.117 R)
• M7: 3,776,598 km (0.067 R)
• M8: 4,019,096 km (0.042 R)
• M9: 4,175,875 km (0.042 R)
• M10: 5,058,203 km (0.069 R)
• M11: 6,822,710 km (0.117 R)
• M12: 7,649,837 km (0.092 R)
• M13: 9,500,362 km (0.107 R)
• M14: 11,948,083 km (0.111 R)
• M15: 13,281,748 km (0.04 R)
• M16: 14,344,790 km (0.11 R)
• M17: 14,637,703 km (0.049 R)
• M18: 16,962,005 km (0.117 R)
• M19: 18,382,586 km (0.073 R)
• M20: 19,342,855 km (0.12 R)
• M21: 24,441,599 km (0.029 R)
• M22: 30,608,323 km (0.089 R)
• M23: 32,831,646 km (0.098 R)
• M24: 36,229,762 km (0.075 R)
• M25: 38,433,189 km (0.061 R)
• M26: 41,754,710 km (0.107 R)
• M27: 42,351,307 km (0.063 R)
• M28: 42,651,699 km (0.086 R)
• M29: 44,483,974 km (0.031 R)
• M30: 44,794,390 km (0.118 R)
• M31: 52,857,565 km (0.052 R)
• M32: 55,506,495 km (0.112 R)
• M33: 55,866,278 km (0.118 R)
• M34: 62,028,663 km (0.09 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.5

Radius: 5.5

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.51 AU - 12.07 AU

Year: 19778 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 69,361,662 km

• M1: 68,516 km (0.12 R)
• M2: 273,764 km (0.096 R)
• M3: 448,644 km (0.105 R)
• M4: 806,482 km (0.076 R)
• M5: 994,377 km (0.065 R)
• M6: 1,517,222 km (0.11 R)
• M7: 1,774,979 km (0.096 R)
• M8: 2,685,132 km (0.106 R)
• M9: 3,040,427 km (0.115 R)
• M10: 3,528,116 km (0.04 R)
• M11: 4,151,640 km (0.049 R)
• M12: 4,626,913 km (0.081 R)
• M13: 5,204,061 km (0.115 R)
• M14: 5,828,034 km (0.093 R)
• M15: 6,462,030 km (0.063 R)
• M16: 8,686,101 km (0.057 R)
• M17: 9,020,004 km (0.062 R)
• M18: 9,713,390 km (0.117 R)
• M19: 12,360,973 km (0.06 R)
• M20: 15,802,472 km (0.1 R)
• M21: 20,412,031 km (0.109 R)
• M22: 21,777,261 km (0.091 R)
• M23: 22,304,594 km (0.116 R)
• M24: 26,534,174 km (0.086 R)
• M25: 32,392,128 km (0.074 R)
• M26: 33,658,923 km (0.108 R)
• M27: 34,010,029 km (0.119 R)
• M28: 36,413,468 km (0.053 R)
• M29: 41,690,084 km (0.11 R)
• M30: 44,720,937 km (0.111 R)
• M31: 48,936,156 km (0.039 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.2

Radius: 6.7

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 10.1 AU - 12.22 AU

Year: 24072 Days

Day: 17.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,361,662 km

• M1: 83,476 km (0.1 R)
• M2: 521,947 km (0.119 R)
• M3: 831,166 km (0.094 R)
• M4: 1,315,115 km (0.103 R)
• M5: 2,029,594 km (0.098 R)
• M6: 2,830,392 km (0.082 R)
• M7: 3,914,827 km (0.037 R)
• M8: 6,523,365 km (0.037 R)
• M9: 9,656,842 km (0.076 R)
• M10: 10,280,964 km (0.119 R)
• M11: 12,512,216 km (0.112 R)
• M12: 20,182,249 km (0.063 R)
• M13: 33,212,971 km (0.092 R)
• M14: 48,103,943 km (0.101 R)
• M15: 55,987,751 km (0.089 R)
• M16: 61,952,817 km (0.1 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 19,923 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit