🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.8

Radius: 8.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.99 AU - 1.29 AU

Year: 786 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,850,945 km

• M1: 108,309 km (0.11 R)
• M2: 388,655 km (0.091 R)
• M3: 682,017 km (0.038 R)
• M4: 992,283 km (0.091 R)
• M5: 1,342,342 km (0.099 R)
• M6: 1,723,068 km (0.107 R)
• M7: 2,867,342 km (0.094 R)
• M8: 3,564,468 km (0.111 R)
• M9: 3,837,634 km (0.118 R)
• M10: 4,111,249 km (0.08 R)
• M11: 5,436,387 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 13.1

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.98 AU - 1.52 AU

Year: 902 Days

Day: 5.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,850,945 km

• M1: 163,211 km (0.117 R)
• M2: 622,477 km (0.077 R)
• M3: 1,084,285 km (0.051 R)
• M4: 1,655,899 km (0.109 R)
• M5: 2,115,463 km (0.083 R)
• M6: 2,826,502 km (0.084 R)
• M7: 3,590,947 km (0.047 R)
• M8: 4,069,361 km (0.113 R)
• M9: 4,727,442 km (0.097 R)
• M10: 5,266,743 km (0.079 R)
• M11: 6,111,372 km (0.071 R)
• M12: 6,534,136 km (0.081 R)
• M13: 7,205,082 km (0.108 R)
• M14: 8,020,540 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.5

Radius: 12.5

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.27 AU - 1.41 AU

Year: 1002 Days

Day: 10.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,850,945 km

• M1: 156,031 km (0.092 R)
• M2: 619,186 km (0.119 R)
• M3: 1,056,759 km (0.089 R)
• M4: 1,641,537 km (0.106 R)
• M5: 2,309,043 km (0.073 R)
• M6: 2,825,754 km (0.085 R)
• M7: 3,283,374 km (0.036 R)
• M8: 4,032,411 km (0.073 R)
• M9: 4,547,925 km (0.086 R)
• M10: 4,981,160 km (0.041 R)
• M11: 5,518,217 km (0.057 R)
• M12: 7,842,818 km (0.116 R)
• M13: 8,417,274 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.2

Radius: 10.9

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.36 AU - 1.44 AU

Year: 1070 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,850,945 km

• M1: 135,536 km (0.096 R)
• M2: 485,146 km (0.098 R)
• M3: 867,368 km (0.06 R)
• M4: 1,526,048 km (0.107 R)
• M5: 2,072,379 km (0.11 R)
• M6: 2,973,258 km (0.104 R)
• M7: 3,782,582 km (0.099 R)
• M8: 4,134,736 km (0.082 R)
• M9: 4,847,420 km (0.059 R)
• M10: 5,203,164 km (0.107 R)
• M11: 5,618,896 km (0.104 R)
• M12: 6,124,537 km (0.076 R)
• M13: 6,853,677 km (0.108 R)
• M14: 7,666,143 km (0.075 R)
• M15: 8,627,010 km (0.094 R)
• M16: 9,852,516 km (0.099 R)
• M17: 10,200,331 km (0.099 R)
• M18: 11,674,319 km (0.106 R)
• M19: 12,064,021 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 9.9

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.69 AU - 6.01 AU

Year: 6896 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,850,945 km

• M1: 123,119 km (0.105 R)
• M2: 706,850 km (0.071 R)
• M3: 1,702,873 km (0.101 R)
• M4: 2,085,095 km (0.118 R)
• M5: 3,066,607 km (0.069 R)
• M6: 3,875,632 km (0.104 R)
• M7: 5,751,889 km (0.117 R)
• M8: 6,142,937 km (0.117 R)
• M9: 7,161,848 km (0.07 R)
• M10: 7,731,218 km (0.11 R)
• M11: 8,917,529 km (0.09 R)
• M12: 11,750,763 km (0.108 R)
• M13: 14,293,628 km (0.106 R)
• M14: 17,049,520 km (0.106 R)
• M15: 18,203,219 km (0.049 R)
• M16: 19,263,718 km (0.105 R)
• M17: 20,067,358 km (0.11 R)
• M18: 21,430,045 km (0.107 R)
• M19: 22,213,339 km (0.046 R)
• M20: 23,341,905 km (0.07 R)
• M21: 24,423,498 km (0.092 R)
• M22: 25,538,301 km (0.114 R)
• M23: 26,597,155 km (0.105 R)
• M24: 28,426,587 km (0.118 R)
• M25: 29,276,602 km (0.115 R)
• M26: 30,829,428 km (0.069 R)
• M27: 31,525,657 km (0.093 R)
• M28: 35,381,692 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.9

Radius: 6.6

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 6.84 AU - 7.14 AU

Year: 11932 Days

Day: 17 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 76,850,945 km

• M1: 82,877 km (0.087 R)
• M2: 398,379 km (0.109 R)
• M3: 1,030,879 km (0.07 R)
• M4: 1,833,322 km (0.097 R)
• M5: 2,416,454 km (0.062 R)
• M6: 2,685,581 km (0.066 R)
• M7: 3,730,522 km (0.092 R)
• M8: 4,066,369 km (0.113 R)
• M9: 4,344,173 km (0.061 R)
• M10: 4,716,222 km (0.037 R)
• M11: 4,966,350 km (0.115 R)
• M12: 5,646,272 km (0.106 R)
• M13: 6,693,158 km (0.07 R)
• M14: 7,409,882 km (0.116 R)
• M15: 9,911,906 km (0.118 R)
• M16: 10,509,849 km (0.096 R)
• M17: 12,083,768 km (0.04 R)
• M18: 12,395,530 km (0.103 R)
• M19: 12,659,421 km (0.107 R)
• M20: 13,473,532 km (0.042 R)
• M21: 15,630,135 km (0.112 R)
• M22: 16,000,390 km (0.069 R)
• M23: 16,566,618 km (0.09 R)
• M24: 18,006,797 km (0.033 R)
• M25: 19,958,151 km (0.046 R)
• M26: 23,704,531 km (0.079 R)
• M27: 24,771,911 km (0.089 R)
• M28: 25,022,637 km (0.06 R)
• M29: 25,275,159 km (0.112 R)
• M30: 26,650,561 km (0.104 R)
• M31: 27,356,663 km (0.084 R)
• M32: 30,021,151 km (0.119 R)
• M33: 32,853,637 km (0.047 R)
• M34: 33,870,155 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.6

Radius: 7.2

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.99 AU - 8.87 AU

Year: 15804 Days

Day: 15 Hours

Environment

Temp: -217 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,850,945 km

• M1: 89,609 km (0.072 R)
• M2: 770,130 km (0.114 R)
• M3: 1,619,846 km (0.085 R)
• M4: 3,374,629 km (0.035 R)
• M5: 3,609,198 km (0.109 R)
• M6: 4,024,482 km (0.117 R)
• M7: 5,862,142 km (0.085 R)
• M8: 8,244,339 km (0.108 R)
• M9: 8,817,448 km (0.083 R)
• M10: 10,864,545 km (0.071 R)
• M11: 11,908,589 km (0.09 R)
• M12: 13,017,857 km (0.086 R)
• M13: 17,832,515 km (0.09 R)
• M14: 20,034,446 km (0.118 R)
• M15: 22,964,021 km (0.078 R)
• M16: 24,774,006 km (0.065 R)
• M17: 25,763,895 km (0.061 R)
• M18: 27,717,045 km (0.08 R)
• M19: 35,764,213 km (0.117 R)
• M20: 36,265,965 km (0.048 R)
• M21: 38,059,493 km (0.067 R)
• M22: 40,587,099 km (0.105 R)
• M23: 47,015,469 km (0.116 R)
• M24: 52,460,832 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.7

Radius: 3.8

Gravity: 39.94 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.36 AU - 11.74 AU

Year: 22126 Days

Day: 18.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,850,945 km

• M1: 47,871 km (0.115 R)
• M2: 322,383 km (0.109 R)
• M3: 495,169 km (0.08 R)
• M4: 758,611 km (0.089 R)
• M5: 1,412,802 km (0.114 R)
• M6: 1,806,544 km (0.082 R)
• M7: 2,832,486 km (0.05 R)
• M8: 3,092,637 km (0.09 R)
• M9: 3,396,919 km (0.082 R)
• M10: 4,065,173 km (0.096 R)
• M11: 9,194,285 km (0.091 R)
• M12: 9,475,978 km (0.109 R)
• M13: 10,908,826 km (0.106 R)
• M14: 11,940,603 km (0.084 R)
• M15: 12,276,001 km (0.099 R)
• M16: 13,248,238 km (0.11 R)
• M17: 13,535,167 km (0.091 R)
• M18: 15,821,172 km (0.102 R)
• M19: 17,566,081 km (0.091 R)
• M20: 19,899,060 km (0.075 R)
• M21: 21,334,751 km (0.092 R)
• M22: 29,194,473 km (0.107 R)
• M23: 32,970,024 km (0.048 R)
• M24: 35,247,502 km (0.079 R)
• M25: 36,214,952 km (0.09 R)
• M26: 40,712,911 km (0.032 R)
• M27: 47,548,038 km (0.077 R)
• M28: 49,755,653 km (0.045 R)
• M29: 50,101,374 km (0.114 R)
• M30: 51,676,340 km (0.076 R)
• M31: 55,850,719 km (0.119 R)
• M32: 59,076,648 km (0.076 R)
• M33: 66,942,055 km (0.058 R)
• M34: 68,210,795 km (0.119 R)
• M35: 69,280,270 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 19,469 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit