🌌 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: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.4

Radius: 8.4

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.6 AU - 0.62 AU

Year: 318 Days

Day: 14.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,070,487 km

• M1: 104,569 km (0.057 R)
• M2: 383,719 km (0.074 R)
• M3: 654,790 km (0.085 R)
• M4: 1,152,053 km (0.039 R)
• M5: 1,501,215 km (0.094 R)
• M6: 1,875,957 km (0.09 R)
• M7: 2,236,638 km (0.076 R)
• M8: 2,864,500 km (0.082 R)
• M9: 3,182,695 km (0.092 R)
• M10: 3,456,459 km (0.082 R)
• M11: 4,657,879 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 8.1

Gravity: 14.39 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.49 AU - 0.79 AU

Year: 341 Days

Day: 9.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,070,487 km

• M1: 100,679 km (0.038 R)
• M2: 430,243 km (0.099 R)
• M3: 687,851 km (0.055 R)
• M4: 959,222 km (0.072 R)
• M5: 1,215,782 km (0.065 R)
• M6: 1,492,388 km (0.041 R)
• M7: 1,975,440 km (0.109 R)
• M8: 2,454,452 km (0.038 R)
• M9: 2,933,913 km (0.07 R)
• M10: 3,987,232 km (0.11 R)
• M11: 4,887,362 km (0.07 R)
• M12: 5,515,075 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.3

Radius: 9.8

Gravity: 8.83 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.43 AU - 1.55 AU

Year: 1213 Days

Day: 9.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,070,487 km

• M1: 122,221 km (0.096 R)
• M2: 445,802 km (0.114 R)
• M3: 823,536 km (0.073 R)
• M4: 1,193,193 km (0.094 R)
• M5: 1,808,189 km (0.065 R)
• M6: 2,700,242 km (0.072 R)
• M7: 3,245,077 km (0.082 R)
• M8: 3,729,176 km (0.03 R)
• M9: 4,424,507 km (0.1 R)
• M10: 5,000,907 km (0.091 R)
• M11: 5,735,732 km (0.098 R)
• M12: 6,072,028 km (0.089 R)
• M13: 6,933,413 km (0.056 R)
• M14: 7,315,485 km (0.114 R)
• M15: 7,956,064 km (0.078 R)
• M16: 8,956,873 km (0.118 R)
• M17: 9,410,753 km (0.107 R)
• M18: 9,816,313 km (0.111 R)
• M19: 11,346,101 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 14.4

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.05 AU - 2.87 AU

Year: 2573 Days

Day: 8 Hours

Environment

Temp: -200 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,070,487 km

• M1: 179,069 km (0.111 R)
• M2: 697,724 km (0.091 R)
• M3: 1,169,706 km (0.073 R)
• M4: 1,657,844 km (0.087 R)
• M5: 2,447,571 km (0.045 R)
• M6: 3,100,117 km (0.09 R)
• M7: 3,641,063 km (0.067 R)
• M8: 6,092,672 km (0.101 R)
• M9: 6,579,913 km (0.115 R)
• M10: 7,034,989 km (0.091 R)
• M11: 8,830,463 km (0.118 R)
• M12: 9,744,057 km (0.049 R)
• M13: 12,561,733 km (0.076 R)
• M14: 13,175,683 km (0.049 R)
• M15: 13,672,049 km (0.103 R)
• M16: 16,603,120 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 13

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 3.27 AU - 4.61 AU

Year: 5215 Days

Day: 13.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,070,487 km

• M1: 161,715 km (0.071 R)
• M2: 597,643 km (0.079 R)
• M3: 1,571,675 km (0.095 R)
• M4: 2,159,595 km (0.109 R)
• M5: 3,084,558 km (0.071 R)
• M6: 6,802,215 km (0.061 R)
• M7: 7,802,127 km (0.071 R)
• M8: 8,259,598 km (0.042 R)
• M9: 12,133,883 km (0.054 R)
• M10: 12,697,418 km (0.068 R)
• M11: 18,316,614 km (0.109 R)
• M12: 23,623,748 km (0.111 R)
• M13: 25,738,314 km (0.113 R)
• M14: 26,243,655 km (0.11 R)
• M15: 28,064,710 km (0.033 R)
• M16: 28,960,801 km (0.111 R)
• M17: 29,783,590 km (0.065 R)
• M18: 30,716,033 km (0.118 R)
• M19: 32,150,976 km (0.047 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389.6

Radius: 4

Gravity: 24.35 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.73 AU - 6.93 AU

Year: 10620 Days

Day: 23.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,070,487 km

• M1: 51,162 km (0.092 R)
• M2: 1,291,778 km (0.071 R)
• M3: 2,692,313 km (0.085 R)
• M4: 3,000,933 km (0.111 R)
• M5: 4,068,763 km (0.117 R)
• M6: 5,088,123 km (0.075 R)
• M7: 6,623,895 km (0.12 R)
• M8: 8,273,660 km (0.106 R)
• M9: 10,672,013 km (0.077 R)
• M10: 11,599,669 km (0.089 R)
• M11: 14,703,376 km (0.119 R)
• M12: 15,396,912 km (0.094 R)
• M13: 18,103,586 km (0.118 R)
• M14: 20,796,198 km (0.1 R)
• M15: 21,750,034 km (0.102 R)
• M16: 24,261,184 km (0.119 R)
• M17: 26,220,916 km (0.076 R)
• M18: 26,773,082 km (0.079 R)
• M19: 33,800,143 km (0.095 R)
• M20: 37,038,937 km (0.094 R)
• M21: 39,030,533 km (0.087 R)
• M22: 39,269,441 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.9

Radius: 7

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.29 AU - 6.41 AU

Year: 10671 Days

Day: 15.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,070,487 km

• M1: 87,066 km (0.095 R)
• M2: 466,297 km (0.1 R)
• M3: 706,401 km (0.09 R)
• M4: 948,750 km (0.104 R)
• M5: 1,187,508 km (0.113 R)
• M6: 1,550,283 km (0.093 R)
• M7: 1,789,490 km (0.079 R)
• M8: 2,053,530 km (0.058 R)
• M9: 2,808,401 km (0.094 R)
• M10: 3,735,309 km (0.089 R)
• M11: 5,302,197 km (0.056 R)
• M12: 6,065,894 km (0.09 R)
• M13: 6,743,573 km (0.05 R)
• M14: 7,810,056 km (0.072 R)
• M15: 9,663,873 km (0.077 R)
• M16: 13,707,055 km (0.098 R)
• M17: 14,023,903 km (0.093 R)
• M18: 15,137,360 km (0.108 R)
• M19: 16,097,778 km (0.062 R)
• M20: 17,025,285 km (0.084 R)
• M21: 17,539,303 km (0.117 R)
• M22: 18,752,991 km (0.102 R)
• M23: 22,994,539 km (0.061 R)
• M24: 26,249,190 km (0.093 R)
• M25: 26,737,777 km (0.086 R)
• M26: 29,272,713 km (0.104 R)
• M27: 29,798,250 km (0.096 R)
• M28: 30,116,595 km (0.119 R)
• M29: 33,198,011 km (0.069 R)
• M30: 40,237,040 km (0.091 R)
• M31: 40,496,144 km (0.116 R)
• M32: 41,411,533 km (0.076 R)
• M33: 45,071,744 km (0.119 R)
• M34: 47,917,993 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.6

Radius: 3.1

Gravity: 98.92 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 5.61 AU - 8.71 AU

Year: 12776 Days

Day: 23 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,070,487 km

• M1: 39,195 km (0.093 R)
• M2: 176,825 km (0.095 R)
• M3: 342,280 km (0.054 R)
• M4: 463,305 km (0.049 R)
• M5: 1,361,191 km (0.085 R)
• M6: 1,967,661 km (0.098 R)
• M7: 2,218,237 km (0.079 R)
• M8: 2,667,180 km (0.062 R)
• M9: 3,225,180 km (0.09 R)
• M10: 4,064,873 km (0.027 R)
• M11: 5,695,341 km (0.11 R)
• M12: 5,886,826 km (0.101 R)
• M13: 6,866,542 km (0.088 R)
• M14: 7,039,777 km (0.057 R)
• M15: 8,334,995 km (0.12 R)
• M16: 8,532,015 km (0.058 R)
• M17: 9,944,967 km (0.078 R)
• M18: 10,620,252 km (0.118 R)
• M19: 16,223,291 km (0.119 R)
• M20: 17,315,804 km (0.111 R)
• M21: 22,177,136 km (0.116 R)
• M22: 24,714,167 km (0.111 R)
• M23: 24,917,021 km (0.118 R)
• M24: 27,329,736 km (0.068 R)
• M25: 30,008,734 km (0.042 R)
• M26: 32,613,383 km (0.102 R)
• M27: 34,599,594 km (0.097 R)
• M28: 36,796,738 km (0.059 R)
• M29: 38,674,640 km (0.095 R)
• M30: 39,085,136 km (0.056 R)
• M31: 50,805,980 km (0.095 R)
• M32: 53,638,017 km (0.072 R)
• M33: 62,011,908 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.7

Radius: 4.8

Gravity: 39.7 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.44 AU - 10.24 AU

Year: 19035 Days

Day: 18.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,070,487 km

• M1: 60,886 km (0.064 R)
• M2: 233,672 km (0.105 R)
• M3: 391,498 km (0.07 R)
• M4: 707,748 km (0.06 R)
• M5: 1,265,748 km (0.031 R)
• M6: 1,533,378 km (0.075 R)
• M7: 1,895,854 km (0.073 R)
• M8: 2,403,739 km (0.054 R)
• M9: 2,840,714 km (0.092 R)
• M10: 3,745,631 km (0.053 R)
• M11: 4,064,125 km (0.114 R)
• M12: 4,297,648 km (0.08 R)
• M13: 4,976,972 km (0.069 R)
• M14: 5,481,266 km (0.101 R)
• M15: 5,683,971 km (0.106 R)
• M16: 6,866,841 km (0.052 R)
• M17: 7,055,036 km (0.083 R)
• M18: 7,246,670 km (0.096 R)
• M19: 9,358,992 km (0.117 R)
• M20: 10,125,382 km (0.117 R)
• M21: 21,495,868 km (0.111 R)
• M22: 25,085,169 km (0.097 R)
• M23: 25,419,820 km (0.107 R)
• M24: 27,255,236 km (0.043 R)
• M25: 29,176,970 km (0.082 R)
• M26: 30,931,155 km (0.081 R)
• M27: 42,162,514 km (0.097 R)
• M28: 49,635,078 km (0.063 R)
• M29: 52,673,111 km (0.116 R)
• M30: 54,890,750 km (0.045 R)
• M31: 65,221,231 km (0.093 R)
• M32: 79,381,118 km (0.075 R)
• M33: 80,585,381 km (0.103 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 14,988 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit