🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.3

Radius: 10.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.47 AU - 0.77 AU

Year: 337 Days

Day: 13.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,732,416 km

• M1: 132,095 km (0.078 R)
• M2: 550,969 km (0.091 R)
• M3: 1,485,357 km (0.073 R)
• M4: 1,897,350 km (0.085 R)
• M5: 2,400,896 km (0.079 R)
• M6: 3,018,885 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.9

Radius: 11.2

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.86 AU - 1.3 AU

Year: 775 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,732,416 km

• M1: 139,724 km (0.091 R)
• M2: 648,656 km (0.094 R)
• M3: 1,589,777 km (0.081 R)
• M4: 2,104,244 km (0.113 R)
• M5: 2,591,933 km (0.119 R)
• M6: 3,509,267 km (0.06 R)
• M7: 5,026,638 km (0.073 R)
• M8: 5,548,585 km (0.096 R)
• M9: 6,162,535 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.5

Radius: 12.9

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.91 AU - 1.41 AU

Year: 862 Days

Day: 11.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 68,732,416 km

• M1: 160,519 km (0.044 R)
• M2: 831,615 km (0.092 R)
• M3: 1,331,870 km (0.07 R)
• M4: 2,388,031 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.4

Radius: 9.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.2 AU - 1.94 AU

Year: 1358 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 68,732,416 km

• M1: 120,725 km (0.068 R)
• M2: 449,392 km (0.067 R)
• M3: 1,045,839 km (0.107 R)
• M4: 1,466,508 km (0.105 R)
• M5: 1,792,033 km (0.079 R)
• M6: 2,616,766 km (0.109 R)
• M7: 3,314,191 km (0.089 R)
• M8: 3,644,653 km (0.1 R)
• M9: 4,460,560 km (0.094 R)
• M10: 5,682,924 km (0.075 R)
• M11: 6,004,260 km (0.108 R)
• M12: 6,613,423 km (0.037 R)
• M13: 7,090,939 km (0.075 R)
• M14: 8,088,009 km (0.049 R)
• M15: 8,746,539 km (0.11 R)
• M16: 9,146,863 km (0.05 R)
• M17: 9,892,309 km (0.074 R)
• M18: 10,970,311 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 14.8

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.27 AU - 2.01 AU

Year: 1450 Days

Day: 14.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,732,416 km

• M1: 184,005 km (0.028 R)
• M2: 735,722 km (0.111 R)
• M3: 1,230,742 km (0.09 R)
• M4: 1,710,352 km (0.089 R)
• M5: 2,357,214 km (0.032 R)
• M6: 2,846,399 km (0.059 R)
• M7: 3,848,555 km (0.117 R)
• M8: 4,645,313 km (0.071 R)
• M9: 5,659,287 km (0.103 R)
• M10: 6,190,061 km (0.069 R)
• M11: 6,774,839 km (0.106 R)
• M12: 7,732,564 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.8

Radius: 11.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.57 AU - 2.73 AU

Year: 2978 Days

Day: 5.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 82.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,732,416 km

• M1: 143,016 km (0.1 R)
• M2: 520,601 km (0.095 R)
• M3: 942,915 km (0.119 R)
• M4: 1,511,088 km (0.12 R)
• M5: 1,891,067 km (0.117 R)
• M6: 2,482,128 km (0.045 R)
• M7: 3,134,075 km (0.078 R)
• M8: 3,517,046 km (0.06 R)
• M9: 3,931,432 km (0.077 R)
• M10: 4,490,778 km (0.068 R)
• M11: 5,353,958 km (0.038 R)
• M12: 5,769,242 km (0.097 R)
• M13: 6,915,162 km (0.044 R)
• M14: 7,787,168 km (0.114 R)
• M15: 8,207,089 km (0.089 R)
• M16: 12,021,535 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 9.9

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.49 AU - 3.59 AU

Year: 3659 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,732,416 km

• M1: 123,717 km (0.12 R)
• M2: 476,320 km (0.12 R)
• M3: 927,208 km (0.111 R)
• M4: 1,446,462 km (0.076 R)
• M5: 2,598,964 km (0.115 R)
• M6: 3,180,002 km (0.111 R)
• M7: 5,269,585 km (0.084 R)
• M8: 5,613,810 km (0.06 R)
• M9: 6,172,707 km (0.099 R)
• M10: 7,533,001 km (0.107 R)
• M11: 10,878,757 km (0.104 R)
• M12: 12,108,452 km (0.057 R)
• M13: 12,616,187 km (0.111 R)
• M14: 13,282,645 km (0.045 R)
• M15: 14,073,120 km (0.069 R)
• M16: 14,946,772 km (0.088 R)
• M17: 17,318,198 km (0.103 R)
• M18: 17,726,600 km (0.114 R)
• M19: 18,562,852 km (0.104 R)
• M20: 19,300,369 km (0.04 R)
• M21: 21,832,612 km (0.076 R)
• M22: 23,567,649 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 13.3

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.67 AU - 5.21 AU

Year: 7579 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,732,416 km

• M1: 256,261 km (0.108 R)
• M2: 699,220 km (0.045 R)
• M3: 1,418,337 km (0.098 R)
• M4: 2,430,666 km (0.054 R)
• M5: 2,999,437 km (0.086 R)
• M6: 3,828,808 km (0.081 R)
• M7: 5,742,015 km (0.088 R)
• M8: 6,431,212 km (0.049 R)
• M9: 7,213,609 km (0.095 R)
• M10: 10,635,810 km (0.073 R)
• M11: 18,874,913 km (0.109 R)
• M12: 23,519,927 km (0.099 R)
• M13: 26,291,078 km (0.091 R)
• M14: 38,595,203 km (0.114 R)
• M15: 41,799,590 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.8

Radius: 4.4

Gravity: 47.36 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 4.57 AU - 6.55 AU

Year: 9049 Days

Day: 23.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,732,416 km

• M1: 54,753 km (0.102 R)
• M2: 228,137 km (0.087 R)
• M3: 388,057 km (0.034 R)
• M4: 695,331 km (0.112 R)
• M5: 1,173,595 km (0.101 R)
• M6: 1,687,614 km (0.078 R)
• M7: 1,910,664 km (0.114 R)
• M8: 2,064,301 km (0.094 R)
• M9: 2,514,890 km (0.104 R)
• M10: 3,844,366 km (0.106 R)
• M11: 4,493,471 km (0.072 R)
• M12: 5,312,071 km (0.062 R)
• M13: 5,480,219 km (0.039 R)
• M14: 5,651,808 km (0.087 R)
• M15: 6,078,610 km (0.067 R)
• M16: 6,374,814 km (0.069 R)
• M17: 10,717,790 km (0.083 R)
• M18: 11,763,180 km (0.109 R)
• M19: 12,754,565 km (0.112 R)
• M20: 12,935,129 km (0.088 R)
• M21: 15,714,359 km (0.088 R)
• M22: 16,061,276 km (0.07 R)
• M23: 18,480,573 km (0.086 R)
• M24: 20,467,382 km (0.086 R)
• M25: 24,579,529 km (0.104 R)
• M26: 26,096,002 km (0.053 R)
• M27: 27,774,640 km (0.105 R)
• M28: 28,691,675 km (0.068 R)
• M29: 31,784,162 km (0.106 R)
• M30: 33,239,749 km (0.105 R)
• M31: 34,739,169 km (0.109 R)
• M32: 36,042,615 km (0.085 R)
• M33: 37,624,762 km (0.102 R)
• M34: 38,746,746 km (0.105 R)
• M35: 43,187,110 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.1

Radius: 4.3

Gravity: 21.48 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.96 AU - 11.48 AU

Year: 22552 Days

Day: 23.3 Hours

Environment

Temp: -241 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,732,416 km

• M1: 53,406 km (0.08 R)
• M2: 230,082 km (0.043 R)
• M3: 509,830 km (0.105 R)
• M4: 774,767 km (0.053 R)
• M5: 991,086 km (0.1 R)
• M6: 2,898,309 km (0.115 R)
• M7: 3,338,576 km (0.118 R)
• M8: 4,582,183 km (0.108 R)
• M9: 5,706,710 km (0.068 R)
• M10: 6,187,518 km (0.08 R)
• M11: 9,110,361 km (0.09 R)
• M12: 10,511,494 km (0.071 R)
• M13: 11,049,149 km (0.112 R)
• M14: 12,572,504 km (0.091 R)
• M15: 13,803,096 km (0.061 R)
• M16: 14,593,422 km (0.077 R)
• M17: 16,982,350 km (0.119 R)
• M18: 17,972,987 km (0.081 R)
• M19: 18,740,873 km (0.1 R)
• M20: 19,798,381 km (0.045 R)
• M21: 19,978,496 km (0.093 R)
• M22: 20,988,282 km (0.05 R)
• M23: 21,458,319 km (0.092 R)
• M24: 21,743,751 km (0.093 R)
• M25: 23,208,763 km (0.095 R)
• M26: 25,687,750 km (0.111 R)
• M27: 27,658,851 km (0.097 R)
• M28: 28,566,312 km (0.059 R)
• M29: 31,042,605 km (0.105 R)
• M30: 39,323,147 km (0.119 R)
• M31: 47,820,156 km (0.103 R)
• M32: 48,633,370 km (0.087 R)
• M33: 54,057,789 km (0.083 R)
• M34: 55,653,101 km (0.068 R)
• M35: 56,371,918 km (0.091 R)
• M36: 56,733,796 km (0.102 R)
• M37: 56,915,258 km (0.109 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: 455 - 15,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit