🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.77 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.2

Radius: 9.3

Gravity: 10.44 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.4 AU - 1.66 AU

Year: 1222 Days

Day: 14.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,813,419 km

• M1: 115,789 km (0.058 R)
• M2: 412,591 km (0.074 R)
• M3: 719,117 km (0.025 R)
• M4: 2,068,939 km (0.093 R)
• M5: 2,404,786 km (0.086 R)
• M6: 2,872,578 km (0.092 R)
• M7: 3,509,865 km (0.095 R)
• M8: 3,837,036 km (0.054 R)
• M9: 4,366,313 km (0.096 R)
• M10: 4,668,052 km (0.075 R)
• M11: 4,963,508 km (0.031 R)
• M12: 6,392,167 km (0.073 R)
• M13: 6,832,135 km (0.091 R)
• M14: 7,718,502 km (0.072 R)
• M15: 8,708,990 km (0.085 R)
• M16: 9,686,612 km (0.049 R)
• M17: 10,104,139 km (0.062 R)
• M18: 10,975,098 km (0.099 R)
• M19: 11,499,888 km (0.117 R)
• M20: 11,822,720 km (0.084 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.2

Radius: 11.2

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 3.75 AU - 4.43 AU

Year: 5341 Days

Day: 11.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,813,419 km

• M1: 139,276 km (0.081 R)
• M2: 784,940 km (0.116 R)
• M3: 1,237,474 km (0.066 R)
• M4: 1,839,755 km (0.109 R)
• M5: 2,243,370 km (0.093 R)
• M6: 2,895,916 km (0.081 R)
• M7: 3,392,431 km (0.056 R)
• M8: 4,646,510 km (0.115 R)
• M9: 5,231,737 km (0.118 R)
• M10: 5,606,031 km (0.099 R)
• M11: 7,134,771 km (0.102 R)
• M12: 8,342,475 km (0.109 R)
• M13: 9,136,840 km (0.082 R)
• M14: 9,534,321 km (0.116 R)
• M15: 10,056,866 km (0.078 R)
• M16: 12,559,938 km (0.084 R)
• M17: 16,703,350 km (0.098 R)
• M18: 17,408,405 km (0.044 R)
• M19: 20,003,479 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.6

Radius: 13.7

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.76 AU - 5.36 AU

Year: 6287 Days

Day: 10.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,813,419 km

• M1: 170,392 km (0.088 R)
• M2: 734,376 km (0.09 R)
• M3: 1,324,091 km (0.072 R)
• M4: 1,758,972 km (0.096 R)
• M5: 2,951,416 km (0.112 R)
• M6: 3,688,635 km (0.049 R)
• M7: 4,491,975 km (0.091 R)
• M8: 5,109,814 km (0.041 R)
• M9: 5,848,080 km (0.114 R)
• M10: 6,656,357 km (0.069 R)
• M11: 8,249,275 km (0.071 R)
• M12: 10,224,416 km (0.091 R)
• M13: 10,751,898 km (0.099 R)
• M14: 11,965,885 km (0.092 R)
• M15: 12,934,830 km (0.119 R)
• M16: 13,495,374 km (0.06 R)
• M17: 14,605,240 km (0.094 R)
• M18: 15,775,095 km (0.027 R)
• M19: 20,103,261 km (0.105 R)
• M20: 23,228,809 km (0.12 R)
• M21: 24,058,180 km (0.089 R)
• M22: 26,935,845 km (0.091 R)
• M23: 31,621,100 km (0.09 R)
• M24: 32,331,989 km (0.113 R)
• M25: 32,949,829 km (0.034 R)
• M26: 33,891,248 km (0.095 R)
• M27: 34,422,021 km (0.101 R)
• M28: 35,827,942 km (0.119 R)
• M29: 36,712,065 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.9

Radius: 14.3

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 4.74 AU - 4.84 AU

Year: 6769 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,813,419 km

• M1: 178,171 km (0.087 R)
• M2: 696,079 km (0.11 R)
• M3: 1,265,149 km (0.067 R)
• M4: 1,794,726 km (0.075 R)
• M5: 3,038,183 km (0.082 R)
• M6: 4,164,954 km (0.115 R)
• M7: 5,879,645 km (0.116 R)
• M8: 7,863,612 km (0.105 R)
• M9: 9,186,955 km (0.066 R)
• M10: 10,164,727 km (0.043 R)
• M11: 10,753,993 km (0.092 R)
• M12: 12,109,349 km (0.054 R)
• M13: 13,112,403 km (0.093 R)
• M14: 16,859,231 km (0.061 R)
• M15: 19,272,544 km (0.117 R)
• M16: 21,506,339 km (0.064 R)
• M17: 30,939,383 km (0.076 R)
• M18: 35,647,826 km (0.026 R)
• M19: 40,813,740 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330

Radius: 11.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.09 AU - 6.37 AU

Year: 8856 Days

Day: 7.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,813,419 km

• M1: 144,362 km (0.114 R)
• M2: 558,748 km (0.094 R)
• M3: 1,048,382 km (0.082 R)
• M4: 1,688,062 km (0.113 R)
• M5: 2,083,001 km (0.085 R)
• M6: 3,103,857 km (0.117 R)
• M7: 3,819,234 km (0.059 R)
• M8: 4,614,945 km (0.116 R)
• M9: 5,885,629 km (0.112 R)
• M10: 7,598,076 km (0.07 R)
• M11: 9,318,302 km (0.07 R)
• M12: 10,155,751 km (0.118 R)
• M13: 10,851,830 km (0.113 R)
• M14: 11,879,567 km (0.093 R)
• M15: 14,128,023 km (0.117 R)
• M16: 20,018,888 km (0.043 R)
• M17: 21,262,196 km (0.117 R)
• M18: 24,884,110 km (0.099 R)
• M19: 28,170,925 km (0.106 R)
• M20: 30,106,422 km (0.086 R)
• M21: 31,154,804 km (0.047 R)
• M22: 31,736,889 km (0.095 R)
• M23: 32,922,751 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.5

Radius: 13.4

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.62 AU - 7.26 AU

Year: 9347 Days

Day: 10.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,813,419 km

• M1: 168,746 km (0.036 R)
• M2: 603,478 km (0.1 R)
• M3: 1,167,611 km (0.051 R)
• M4: 1,687,464 km (0.076 R)
• M5: 2,277,029 km (0.094 R)
• M6: 3,637,472 km (0.099 R)
• M7: 5,422,175 km (0.113 R)
• M8: 7,120,709 km (0.029 R)
• M9: 8,255,858 km (0.097 R)
• M10: 10,491,598 km (0.077 R)
• M11: 12,442,055 km (0.103 R)
• M12: 14,563,502 km (0.114 R)
• M13: 15,238,189 km (0.109 R)
• M14: 22,042,498 km (0.104 R)
• M15: 23,344,897 km (0.053 R)
• M16: 26,102,884 km (0.085 R)
• M17: 27,653,166 km (0.106 R)
• M18: 28,783,827 km (0.086 R)
• M19: 29,457,616 km (0.099 R)
• M20: 34,687,707 km (0.092 R)
• M21: 35,891,820 km (0.051 R)
• M22: 36,448,324 km (0.053 R)
• M23: 39,082,444 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.6

Radius: 7.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.07 AU - 7.57 AU

Year: 11500 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,813,419 km

• M1: 92,003 km (0.111 R)
• M2: 452,833 km (0.09 R)
• M3: 900,579 km (0.117 R)
• M4: 1,407,417 km (0.086 R)
• M5: 2,907,734 km (0.101 R)
• M6: 4,847,420 km (0.107 R)
• M7: 7,029,454 km (0.026 R)
• M8: 7,288,259 km (0.077 R)
• M9: 7,620,964 km (0.046 R)
• M10: 8,033,406 km (0.119 R)
• M11: 9,477,324 km (0.106 R)
• M12: 9,914,150 km (0.088 R)
• M13: 10,322,702 km (0.051 R)
• M14: 10,573,278 km (0.107 R)
• M15: 12,209,131 km (0.089 R)
• M16: 15,102,354 km (0.111 R)
• M17: 18,606,684 km (0.087 R)
• M18: 19,864,353 km (0.089 R)
• M19: 20,448,383 km (0.097 R)
• M20: 20,977,062 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780

Radius: 5.3

Gravity: 27.77 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 9.09 AU - 9.13 AU

Year: 17754 Days

Day: 20.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,813,419 km

• M1: 66,421 km (0.072 R)
• M2: 344,225 km (0.083 R)
• M3: 635,043 km (0.112 R)
• M4: 1,710,203 km (0.116 R)
• M5: 2,773,395 km (0.116 R)
• M6: 3,129,438 km (0.119 R)
• M7: 3,458,404 km (0.034 R)
• M8: 4,382,021 km (0.054 R)
• M9: 5,119,389 km (0.088 R)
• M10: 5,498,320 km (0.119 R)
• M11: 6,018,472 km (0.088 R)
• M12: 6,311,833 km (0.104 R)
• M13: 6,570,937 km (0.118 R)
• M14: 9,013,122 km (0.11 R)
• M15: 10,081,101 km (0.077 R)
• M16: 12,000,741 km (0.099 R)
• M17: 12,942,609 km (0.082 R)
• M18: 14,520,568 km (0.042 R)
• M19: 15,278,580 km (0.077 R)
• M20: 15,824,612 km (0.117 R)
• M21: 16,955,572 km (0.119 R)
• M22: 18,928,918 km (0.091 R)
• M23: 23,633,322 km (0.053 R)
• M24: 26,643,082 km (0.056 R)
• M25: 28,707,233 km (0.116 R)
• M26: 29,537,800 km (0.088 R)
• M27: 31,999,433 km (0.076 R)
• M28: 35,670,565 km (0.032 R)
• M29: 40,493,900 km (0.114 R)
• M30: 54,414,131 km (0.113 R)
• M31: 55,868,222 km (0.1 R)
• M32: 56,604,842 km (0.09 R)
• M33: 61,747,568 km (0.077 R)
• M34: 66,778,994 km (0.108 R)
• M35: 67,608,663 km (0.114 R)
• M36: 71,426,850 km (0.025 R)
• M37: 72,512,481 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.8

Radius: 3.5

Gravity: 67.74 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.53 AU - 10.61 AU

Year: 20633 Days

Day: 21.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 82,813,419 km

• M1: 45,179 km (0.119 R)
• M2: 190,139 km (0.053 R)
• M3: 435,928 km (0.086 R)
• M4: 695,780 km (0.093 R)
• M5: 1,202,168 km (0.066 R)
• M6: 1,383,930 km (0.084 R)
• M7: 1,601,296 km (0.115 R)
• M8: 1,919,490 km (0.12 R)
• M9: 2,730,311 km (0.09 R)
• M10: 4,304,380 km (0.067 R)
• M11: 4,585,324 km (0.069 R)
• M12: 4,840,987 km (0.114 R)
• M13: 6,219,681 km (0.119 R)
• M14: 8,047,617 km (0.117 R)
• M15: 8,582,280 km (0.087 R)
• M16: 9,486,300 km (0.114 R)
• M17: 9,840,997 km (0.094 R)
• M18: 9,961,273 km (0.099 R)
• M19: 10,766,708 km (0.055 R)
• M20: 14,657,300 km (0.077 R)
• M21: 17,921,825 km (0.119 R)
• M22: 19,109,333 km (0.077 R)
• M23: 22,253,730 km (0.095 R)
• M24: 25,499,107 km (0.117 R)
• M25: 28,190,971 km (0.097 R)
• M26: 28,312,145 km (0.117 R)
• M27: 31,585,346 km (0.079 R)
• M28: 40,389,181 km (0.05 R)
• M29: 42,580,790 km (0.059 R)
• M30: 45,181,100 km (0.043 R)
• M31: 45,847,409 km (0.069 R)
• M32: 46,520,151 km (0.08 R)
• M33: 46,689,346 km (0.086 R)
• M34: 48,926,582 km (0.091 R)
• M35: 49,629,094 km (0.096 R)
• M36: 62,211,172 km (0.045 R)
• M37: 66,835,093 km (0.075 R)
• M38: 70,561,127 km (0.055 R)
• M39: 71,008,425 km (0.115 R)
• M40: 71,682,812 km (0.097 R)
• M41: 75,119,075 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 238 - 11,121 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit