🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278

Radius: 12.6

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.9 AU - 1.14 AU

Year: 711 Days

Day: 7.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,746,137 km

• M1: 156,629 km (0.081 R)
• M2: 690,245 km (0.094 R)
• M3: 1,112,111 km (0.069 R)
• M4: 1,557,314 km (0.094 R)
• M5: 1,965,566 km (0.097 R)
• M6: 2,362,450 km (0.072 R)
• M7: 3,699,256 km (0.11 R)
• M8: 4,091,502 km (0.049 R)
• M9: 4,672,989 km (0.038 R)
• M10: 5,309,228 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.1

Radius: 13

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.17 AU - 1.43 AU

Year: 1023 Days

Day: 5.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,746,137 km

• M1: 161,865 km (0.056 R)
• M2: 704,456 km (0.055 R)
• M3: 1,213,089 km (0.078 R)
• M4: 2,018,374 km (0.117 R)
• M5: 2,553,785 km (0.113 R)
• M6: 3,100,865 km (0.07 R)
• M7: 4,011,617 km (0.091 R)
• M8: 8,850,360 km (0.087 R)
• M9: 9,599,695 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.1

Radius: 10.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.12 AU - 1.52 AU

Year: 1047 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 63,746,137 km

• M1: 133,441 km (0.11 R)
• M2: 893,847 km (0.069 R)
• M3: 1,281,306 km (0.076 R)
• M4: 1,882,240 km (0.112 R)
• M5: 2,672,416 km (0.088 R)
• M6: 3,320,624 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 14.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.33 AU - 1.99 AU

Year: 1476 Days

Day: 14.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,746,137 km

• M1: 176,675 km (0.035 R)
• M2: 1,154,896 km (0.07 R)
• M3: 1,895,704 km (0.117 R)
• M4: 2,474,648 km (0.077 R)
• M5: 3,590,648 km (0.109 R)
• M6: 4,506,187 km (0.087 R)
• M7: 5,081,391 km (0.061 R)
• M8: 6,118,254 km (0.091 R)
• M9: 6,724,873 km (0.068 R)
• M10: 7,834,740 km (0.085 R)
• M11: 8,789,623 km (0.112 R)
• M12: 9,280,005 km (0.093 R)
• M13: 9,853,413 km (0.082 R)
• M14: 12,849,111 km (0.101 R)
• M15: 13,643,475 km (0.033 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.6

Radius: 9.8

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.53 AU - 1.93 AU

Year: 1571 Days

Day: 8.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,746,137 km

• M1: 122,072 km (0.076 R)
• M2: 561,142 km (0.093 R)
• M3: 927,058 km (0.074 R)
• M4: 1,414,597 km (0.059 R)
• M5: 1,741,768 km (0.092 R)
• M6: 2,119,802 km (0.096 R)
• M7: 2,965,329 km (0.07 R)
• M8: 3,648,393 km (0.082 R)
• M9: 4,075,944 km (0.119 R)
• M10: 6,039,715 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813

Radius: 9.9

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.64 AU - 2.68 AU

Year: 2995 Days

Day: 14.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,746,137 km

• M1: 123,119 km (0.067 R)
• M2: 435,479 km (0.11 R)
• M3: 751,580 km (0.098 R)
• M4: 1,100,143 km (0.057 R)
• M5: 1,453,044 km (0.076 R)
• M6: 2,008,501 km (0.102 R)
• M7: 2,468,664 km (0.025 R)
• M8: 6,737,140 km (0.084 R)
• M9: 7,226,924 km (0.063 R)
• M10: 8,697,022 km (0.106 R)
• M11: 9,315,310 km (0.12 R)
• M12: 9,884,829 km (0.101 R)
• M13: 10,317,167 km (0.096 R)
• M14: 11,432,120 km (0.081 R)
• M15: 12,085,264 km (0.054 R)
• M16: 13,561,645 km (0.066 R)
• M17: 14,694,550 km (0.078 R)
• M18: 16,813,604 km (0.115 R)
• M19: 18,471,896 km (0.117 R)
• M20: 18,828,238 km (0.107 R)
• M21: 20,299,384 km (0.056 R)
• M22: 21,386,960 km (0.11 R)
• M23: 21,779,804 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.3

Radius: 10.8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.92 AU - 4.16 AU

Year: 5605 Days

Day: 5.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,746,137 km

• M1: 485,744 km (0.118 R)
• M2: 881,431 km (0.079 R)
• M3: 1,583,942 km (0.119 R)
• M4: 2,592,830 km (0.104 R)
• M5: 3,104,605 km (0.106 R)
• M6: 3,962,399 km (0.095 R)
• M7: 6,950,616 km (0.11 R)
• M8: 7,343,759 km (0.102 R)
• M9: 8,694,628 km (0.083 R)
• M10: 9,668,510 km (0.067 R)
• M11: 13,792,774 km (0.028 R)
• M12: 14,820,960 km (0.055 R)
• M13: 18,347,431 km (0.075 R)
• M14: 19,031,243 km (0.112 R)
• M15: 23,257,682 km (0.11 R)
• M16: 25,127,356 km (0.1 R)
• M17: 26,658,789 km (0.077 R)
• M18: 30,189,000 km (0.082 R)
• M19: 32,509,861 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.3

Radius: 5.3

Gravity: 22.4 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.9 AU - 9.36 AU

Year: 16001 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 63,746,137 km

• M1: 70,610 km (0.084 R)
• M2: 449,841 km (0.059 R)
• M3: 698,772 km (0.104 R)
• M4: 1,734,139 km (0.084 R)
• M5: 2,546,754 km (0.097 R)
• M6: 2,796,134 km (0.118 R)
• M7: 3,397,218 km (0.112 R)
• M8: 4,551,814 km (0.105 R)
• M9: 4,783,841 km (0.117 R)
• M10: 5,023,646 km (0.098 R)
• M11: 6,224,019 km (0.083 R)
• M12: 6,977,245 km (0.091 R)
• M13: 9,019,854 km (0.101 R)
• M14: 9,228,094 km (0.07 R)
• M15: 9,600,144 km (0.113 R)
• M16: 10,718,538 km (0.118 R)
• M17: 11,673,870 km (0.107 R)
• M18: 12,172,180 km (0.113 R)
• M19: 16,064,867 km (0.103 R)
• M20: 17,554,113 km (0.09 R)
• M21: 17,960,720 km (0.052 R)
• M22: 19,825,159 km (0.09 R)
• M23: 20,355,184 km (0.084 R)
• M24: 20,894,634 km (0.115 R)
• M25: 22,190,301 km (0.114 R)
• M26: 26,080,444 km (0.119 R)
• M27: 26,397,292 km (0.091 R)
• M28: 28,019,980 km (0.088 R)
• M29: 30,053,614 km (0.115 R)
• M30: 40,570,045 km (0.06 R)
• M31: 44,807,405 km (0.099 R)
• M32: 52,285,353 km (0.113 R)
• M33: 53,977,006 km (0.107 R)
• M34: 54,148,146 km (0.04 R)
• M35: 58,005,527 km (0.082 R)
• M36: 60,738,082 km (0.113 R)
• M37: 61,854,830 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 19,641 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit