🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.9

Radius: 13.4

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.79 AU - 0.97 AU

Year: 550 Days

Day: 11 Hours

Environment

Temp: -162 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,609,037 km

• M1: 166,652 km (0.103 R)
• M2: 690,544 km (0.105 R)
• M3: 1,211,892 km (0.079 R)
• M4: 2,146,281 km (0.112 R)
• M5: 2,797,480 km (0.087 R)
• M6: 3,272,154 km (0.037 R)
• M7: 3,877,128 km (0.074 R)
• M8: 4,400,122 km (0.076 R)
• M9: 4,894,244 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.2

Radius: 8.9

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.11 AU - 1.45 AU

Year: 966 Days

Day: 12.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,609,037 km

• M1: 112,647 km (0.084 R)
• M2: 463,305 km (0.103 R)
• M3: 990,188 km (0.057 R)
• M4: 1,899,893 km (0.112 R)
• M5: 2,206,120 km (0.111 R)
• M6: 2,557,076 km (0.069 R)
• M7: 3,065,260 km (0.075 R)
• M8: 4,017,152 km (0.109 R)
• M9: 4,888,858 km (0.077 R)
• M10: 6,861,157 km (0.052 R)
• M11: 8,076,041 km (0.108 R)
• M12: 8,421,163 km (0.038 R)
• M13: 8,748,483 km (0.113 R)
• M14: 10,174,151 km (0.083 R)
• M15: 10,483,071 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.2

Radius: 11.2

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.15 AU - 1.67 AU

Year: 1116 Days

Day: 14 Hours

Environment

Temp: -191 °C

Axial Tilt: 52 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,609,037 km

• M1: 139,425 km (0.104 R)
• M2: 611,257 km (0.076 R)
• M3: 1,026,690 km (0.08 R)
• M4: 1,412,653 km (0.107 R)
• M5: 2,149,871 km (0.107 R)
• M6: 2,523,267 km (0.09 R)
• M7: 3,039,230 km (0.034 R)
• M8: 3,667,392 km (0.067 R)
• M9: 4,300,041 km (0.119 R)
• M10: 4,864,474 km (0.056 R)
• M11: 5,822,798 km (0.087 R)
• M12: 6,264,560 km (0.06 R)
• M13: 6,750,155 km (0.032 R)
• M14: 8,087,111 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692

Radius: 11.7

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.93 AU - 2.81 AU

Year: 2433 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,609,037 km

• M1: 145,559 km (0.059 R)
• M2: 618,138 km (0.078 R)
• M3: 1,057,358 km (0.083 R)
• M4: 1,593,517 km (0.098 R)
• M5: 2,202,380 km (0.076 R)
• M6: 2,883,200 km (0.102 R)
• M7: 3,907,347 km (0.086 R)
• M8: 4,729,985 km (0.054 R)
• M9: 5,113,106 km (0.114 R)
• M10: 6,176,148 km (0.105 R)
• M11: 7,410,630 km (0.098 R)
• M12: 8,937,725 km (0.118 R)
• M13: 9,847,878 km (0.095 R)
• M14: 10,780,172 km (0.058 R)
• M15: 11,447,079 km (0.086 R)
• M16: 11,811,201 km (0.061 R)
• M17: 12,183,101 km (0.084 R)
• M18: 13,659,034 km (0.105 R)
• M19: 14,023,005 km (0.091 R)
• M20: 15,692,368 km (0.105 R)
• M21: 16,294,050 km (0.036 R)
• M22: 16,859,082 km (0.046 R)
• M23: 17,704,310 km (0.118 R)
• M24: 18,246,751 km (0.045 R)

Asteroid Belt

Center: 2.86 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 15

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.16 AU - 3.54 AU

Year: 4089 Days

Day: 11 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,609,037 km

• M1: 186,549 km (0.056 R)
• M2: 769,382 km (0.104 R)
• M3: 1,594,115 km (0.082 R)
• M4: 3,258,092 km (0.111 R)
• M5: 3,901,363 km (0.09 R)
• M6: 4,949,446 km (0.08 R)
• M7: 5,974,640 km (0.082 R)
• M8: 6,568,843 km (0.077 R)
• M9: 7,040,225 km (0.06 R)
• M10: 8,928,899 km (0.087 R)
• M11: 9,430,051 km (0.106 R)
• M12: 10,238,179 km (0.109 R)
• M13: 11,091,934 km (0.083 R)
• M14: 12,941,861 km (0.108 R)
• M15: 13,686,260 km (0.034 R)
• M16: 16,604,616 km (0.086 R)
• M17: 18,580,056 km (0.11 R)
• M18: 19,399,702 km (0.066 R)
• M19: 20,046,563 km (0.101 R)
• M20: 25,213,674 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.1

Radius: 12.6

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.12 AU - 5.76 AU

Year: 7322 Days

Day: 8.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,609,037 km

• M1: 157,377 km (0.111 R)
• M2: 576,550 km (0.11 R)
• M3: 1,422,077 km (0.038 R)
• M4: 2,481,829 km (0.107 R)
• M5: 3,346,205 km (0.032 R)
• M6: 4,790,722 km (0.061 R)
• M7: 5,490,391 km (0.104 R)
• M8: 6,066,792 km (0.119 R)
• M9: 6,716,795 km (0.095 R)
• M10: 7,413,023 km (0.079 R)
• M11: 8,626,262 km (0.116 R)
• M12: 9,238,865 km (0.119 R)
• M13: 9,968,005 km (0.086 R)
• M14: 12,540,640 km (0.11 R)
• M15: 13,488,941 km (0.063 R)
• M16: 15,058,073 km (0.079 R)
• M17: 15,527,960 km (0.099 R)
• M18: 17,123,271 km (0.088 R)
• M19: 18,623,289 km (0.096 R)
• M20: 19,370,979 km (0.111 R)
• M21: 20,709,282 km (0.048 R)
• M22: 21,364,521 km (0.093 R)
• M23: 22,639,543 km (0.098 R)
• M24: 27,721,981 km (0.084 R)
• M25: 32,047,604 km (0.098 R)
• M26: 32,532,750 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 8.8

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.26 AU - 6.74 AU

Year: 8601 Days

Day: 10.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,609,037 km

• M1: 109,506 km (0.104 R)
• M2: 394,190 km (0.091 R)
• M3: 784,491 km (0.039 R)
• M4: 1,129,614 km (0.061 R)
• M5: 2,001,320 km (0.112 R)
• M6: 2,425,430 km (0.095 R)
• M7: 2,740,932 km (0.089 R)
• M8: 3,083,661 km (0.11 R)
• M9: 3,702,248 km (0.051 R)
• M10: 4,122,469 km (0.115 R)
• M11: 6,130,222 km (0.099 R)
• M12: 8,716,021 km (0.119 R)
• M13: 12,521,940 km (0.093 R)
• M14: 12,813,357 km (0.097 R)
• M15: 14,465,815 km (0.063 R)
• M16: 14,851,478 km (0.06 R)
• M17: 16,118,123 km (0.051 R)
• M18: 16,393,832 km (0.106 R)
• M19: 19,481,084 km (0.118 R)
• M20: 21,658,331 km (0.092 R)
• M21: 23,460,387 km (0.055 R)
• M22: 26,490,641 km (0.091 R)
• M23: 27,458,091 km (0.07 R)
• M24: 30,712,144 km (0.095 R)
• M25: 32,761,335 km (0.053 R)
• M26: 34,442,217 km (0.111 R)
• M27: 34,899,986 km (0.111 R)
• M28: 35,827,643 km (0.027 R)
• M29: 45,339,225 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.8

Radius: 7.4

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 5.6 AU - 9.16 AU

Year: 13369 Days

Day: 17 Hours

Environment

Temp: -228 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,609,037 km

• M1: 92,003 km (0.106 R)
• M2: 587,022 km (0.106 R)
• M3: 998,117 km (0.098 R)
• M4: 2,201,781 km (0.076 R)
• M5: 2,478,388 km (0.096 R)
• M6: 2,711,910 km (0.061 R)
• M7: 4,257,107 km (0.114 R)
• M8: 4,817,351 km (0.097 R)
• M9: 6,160,291 km (0.105 R)
• M10: 6,472,202 km (0.089 R)
• M11: 9,667,463 km (0.118 R)
• M12: 17,045,780 km (0.057 R)
• M13: 19,596,723 km (0.113 R)
• M14: 39,207,059 km (0.083 R)
• M15: 43,468,055 km (0.071 R)
• M16: 51,450,597 km (0.107 R)
• M17: 54,039,538 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.4

Radius: 6.5

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9 AU - 11.68 AU

Year: 22172 Days

Day: 23.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,609,037 km

• M1: 81,082 km (0.101 R)
• M2: 397,631 km (0.059 R)
• M3: 733,927 km (0.044 R)
• M4: 1,118,094 km (0.034 R)
• M5: 1,713,494 km (0.117 R)
• M6: 2,042,759 km (0.117 R)
• M7: 2,370,378 km (0.079 R)
• M8: 3,209,622 km (0.084 R)
• M9: 4,137,129 km (0.03 R)
• M10: 4,427,499 km (0.102 R)
• M11: 4,696,924 km (0.119 R)
• M12: 5,049,227 km (0.106 R)
• M13: 5,306,087 km (0.073 R)
• M14: 5,571,773 km (0.043 R)
• M15: 6,945,829 km (0.107 R)
• M16: 8,378,378 km (0.11 R)
• M17: 9,381,582 km (0.114 R)
• M18: 10,344,842 km (0.115 R)
• M19: 10,580,908 km (0.107 R)
• M20: 11,560,774 km (0.096 R)
• M21: 15,932,472 km (0.048 R)
• M22: 16,566,468 km (0.115 R)
• M23: 18,224,910 km (0.107 R)
• M24: 20,635,231 km (0.103 R)
• M25: 22,159,484 km (0.11 R)
• M26: 24,271,955 km (0.101 R)
• M27: 25,537,553 km (0.059 R)
• M28: 29,954,131 km (0.073 R)
• M29: 32,153,968 km (0.059 R)
• M30: 33,678,969 km (0.095 R)
• M31: 34,197,924 km (0.043 R)
• M32: 38,260,852 km (0.117 R)
• M33: 41,883,215 km (0.078 R)
• M34: 48,967,721 km (0.073 R)
• M35: 50,305,575 km (0.109 R)
• M36: 61,124,643 km (0.068 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: 199 - 17,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit