🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.2

Radius: 11.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.71 AU - 0.73 AU

Year: 388 Days

Day: 5.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 69,032,690 km

• M1: 140,622 km (0.082 R)
• M2: 721,361 km (0.071 R)
• M3: 1,111,961 km (0.091 R)
• M4: 1,805,347 km (0.115 R)
• M5: 2,357,662 km (0.108 R)
• M6: 2,776,237 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.1

Radius: 12.3

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.73 AU - 1.03 AU

Year: 525 Days

Day: 13.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,032,690 km

• M1: 153,039 km (0.098 R)
• M2: 587,471 km (0.087 R)
• M3: 1,053,019 km (0.108 R)
• M4: 1,465,461 km (0.061 R)
• M5: 2,030,342 km (0.08 R)
• M6: 2,561,714 km (0.084 R)
• M7: 3,045,663 km (0.052 R)
• M8: 3,603,364 km (0.051 R)
• M9: 4,114,839 km (0.048 R)
• M10: 4,674,335 km (0.113 R)
• M11: 5,184,464 km (0.101 R)
• M12: 6,056,320 km (0.108 R)
• M13: 6,508,255 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.4

Radius: 15

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.73 AU - 1.11 AU

Year: 561 Days

Day: 7.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,032,690 km

• M1: 186,549 km (0.101 R)
• M2: 825,930 km (0.111 R)
• M3: 1,482,664 km (0.099 R)
• M4: 2,026,303 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 13.4

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.14 AU - 1.74 AU

Year: 1099 Days

Day: 14.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,032,690 km

• M1: 167,699 km (0.081 R)
• M2: 919,578 km (0.115 R)
• M3: 1,364,632 km (0.081 R)
• M4: 2,131,470 km (0.077 R)
• M5: 2,719,540 km (0.096 R)
• M6: 4,193,827 km (0.08 R)
• M7: 4,853,404 km (0.11 R)
• M8: 5,660,035 km (0.055 R)
• M9: 6,148,024 km (0.075 R)
• M10: 7,070,145 km (0.115 R)
• M11: 7,685,890 km (0.032 R)
• M12: 8,337,239 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.5

Radius: 13.5

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.15 AU - 5.07 AU

Year: 5298 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,032,690 km

• M1: 235,317 km (0.1 R)
• M2: 720,164 km (0.084 R)
• M3: 2,002,517 km (0.088 R)
• M4: 2,477,640 km (0.091 R)
• M5: 3,638,071 km (0.069 R)
• M6: 4,354,046 km (0.094 R)
• M7: 4,937,328 km (0.104 R)
• M8: 5,512,532 km (0.081 R)
• M9: 5,941,579 km (0.1 R)
• M10: 6,392,915 km (0.1 R)
• M11: 7,438,156 km (0.082 R)
• M12: 8,839,140 km (0.113 R)
• M13: 10,317,765 km (0.06 R)
• M14: 13,374,947 km (0.047 R)
• M15: 14,324,595 km (0.089 R)
• M16: 15,378,661 km (0.112 R)
• M17: 17,314,158 km (0.117 R)
• M18: 27,840,014 km (0.098 R)
• M19: 28,289,257 km (0.067 R)
• M20: 32,354,728 km (0.118 R)
• M21: 33,151,935 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.4

Radius: 10

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.99 AU - 6.41 AU

Year: 7539 Days

Day: 7 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,032,690 km

• M1: 124,316 km (0.045 R)
• M2: 438,920 km (0.114 R)
• M3: 797,207 km (0.099 R)
• M4: 1,237,922 km (0.116 R)
• M5: 1,997,431 km (0.114 R)
• M6: 2,429,320 km (0.075 R)
• M7: 2,751,404 km (0.06 R)
• M8: 3,163,397 km (0.042 R)
• M9: 3,966,139 km (0.104 R)
• M10: 4,493,920 km (0.12 R)
• M11: 6,263,214 km (0.06 R)
• M12: 7,865,258 km (0.098 R)
• M13: 8,334,995 km (0.085 R)
• M14: 9,244,999 km (0.12 R)
• M15: 10,037,718 km (0.103 R)
• M16: 10,404,233 km (0.092 R)
• M17: 12,269,120 km (0.079 R)
• M18: 12,582,677 km (0.094 R)
• M19: 17,163,513 km (0.116 R)
• M20: 19,327,596 km (0.088 R)
• M21: 23,222,526 km (0.086 R)
• M22: 25,522,444 km (0.081 R)
• M23: 25,863,078 km (0.078 R)
• M24: 28,514,551 km (0.088 R)
• M25: 29,344,071 km (0.107 R)
• M26: 30,284,593 km (0.118 R)
• M27: 32,126,592 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.4

Radius: 6.1

Gravity: 17.86 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.19 AU - 6.21 AU

Year: 9816 Days

Day: 17.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,032,690 km

• M1: 78,240 km (0.095 R)
• M2: 318,045 km (0.09 R)
• M3: 574,007 km (0.118 R)
• M4: 1,017,415 km (0.115 R)
• M5: 1,469,649 km (0.102 R)
• M6: 1,742,067 km (0.099 R)
• M7: 2,725,075 km (0.078 R)
• M8: 3,047,757 km (0.096 R)
• M9: 3,591,994 km (0.075 R)
• M10: 4,482,999 km (0.106 R)
• M11: 4,810,469 km (0.086 R)
• M12: 5,121,782 km (0.105 R)
• M13: 5,479,770 km (0.116 R)
• M14: 6,429,417 km (0.118 R)
• M15: 9,782,953 km (0.041 R)
• M16: 10,488,008 km (0.079 R)
• M17: 13,043,588 km (0.077 R)
• M18: 13,526,939 km (0.088 R)
• M19: 13,772,878 km (0.109 R)
• M20: 18,805,350 km (0.081 R)
• M21: 19,266,560 km (0.112 R)
• M22: 20,371,939 km (0.085 R)
• M23: 25,872,653 km (0.103 R)
• M24: 26,443,069 km (0.078 R)
• M25: 27,510,600 km (0.075 R)
• M26: 31,634,714 km (0.071 R)
• M27: 35,449,459 km (0.094 R)
• M28: 35,799,967 km (0.058 R)
• M29: 37,225,635 km (0.1 R)
• M30: 38,074,453 km (0.035 R)
• M31: 38,319,345 km (0.091 R)
• M32: 38,565,284 km (0.109 R)
• M33: 39,685,174 km (0.077 R)
• M34: 43,440,678 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.5

Radius: 7.3

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 6.21 AU - 6.75 AU

Year: 10488 Days

Day: 22 Hours

Environment

Temp: -229 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,032,690 km

• M1: 91,255 km (0.072 R)
• M2: 395,986 km (0.101 R)
• M3: 681,568 km (0.075 R)
• M4: 1,297,313 km (0.077 R)
• M5: 1,588,729 km (0.096 R)
• M6: 2,568,147 km (0.104 R)
• M7: 3,031,601 km (0.091 R)
• M8: 3,326,907 km (0.043 R)
• M9: 5,369,068 km (0.116 R)
• M10: 6,093,720 km (0.086 R)
• M11: 7,506,522 km (0.078 R)
• M12: 9,168,405 km (0.115 R)
• M13: 10,530,194 km (0.093 R)
• M14: 12,021,834 km (0.107 R)
• M15: 14,872,123 km (0.108 R)
• M16: 16,103,313 km (0.12 R)
• M17: 20,424,597 km (0.046 R)
• M18: 22,413,202 km (0.083 R)
• M19: 22,730,200 km (0.116 R)
• M20: 23,130,673 km (0.102 R)
• M21: 23,781,274 km (0.117 R)
• M22: 27,217,986 km (0.115 R)
• M23: 29,148,248 km (0.046 R)
• M24: 30,874,009 km (0.066 R)
• M25: 31,464,172 km (0.114 R)
• M26: 34,527,937 km (0.114 R)
• M27: 35,807,148 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.4

Radius: 7.1

Gravity: 7.94 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.68 AU - 9.28 AU

Year: 13007 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,032,690 km

• M1: 104,719 km (0.116 R)
• M2: 458,368 km (0.12 R)
• M3: 797,955 km (0.107 R)
• M4: 1,058,106 km (0.03 R)
• M5: 1,770,341 km (0.083 R)
• M6: 2,766,364 km (0.114 R)
• M7: 3,184,939 km (0.064 R)
• M8: 3,569,704 km (0.095 R)
• M9: 3,984,988 km (0.059 R)
• M10: 4,608,063 km (0.096 R)
• M11: 6,227,311 km (0.056 R)
• M12: 8,731,429 km (0.087 R)
• M13: 8,962,558 km (0.061 R)
• M14: 15,409,478 km (0.069 R)
• M15: 21,428,848 km (0.106 R)
• M16: 31,477,486 km (0.106 R)
• M17: 36,844,460 km (0.08 R)
• M18: 38,553,765 km (0.096 R)
• M19: 40,571,092 km (0.102 R)
• M20: 42,261,398 km (0.116 R)
• M21: 43,057,110 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.9

Radius: 7.2

Gravity: 16.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 6.81 AU - 10.05 AU

Year: 15562 Days

Day: 16.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,032,690 km

• M1: 89,609 km (0.073 R)
• M2: 440,416 km (0.115 R)
• M3: 794,065 km (0.112 R)
• M4: 1,078,750 km (0.055 R)
• M5: 1,446,611 km (0.106 R)
• M6: 2,412,864 km (0.035 R)
• M7: 2,681,542 km (0.081 R)
• M8: 3,469,623 km (0.096 R)
• M9: 3,902,560 km (0.099 R)
• M10: 4,841,137 km (0.062 R)
• M11: 13,821,347 km (0.034 R)
• M12: 15,281,123 km (0.092 R)
• M13: 20,181,950 km (0.104 R)
• M14: 24,765,030 km (0.038 R)
• M15: 26,362,286 km (0.099 R)
• M16: 27,688,621 km (0.08 R)
• M17: 30,834,365 km (0.063 R)
• M18: 31,441,882 km (0.066 R)
• M19: 33,312,603 km (0.106 R)
• M20: 47,877,751 km (0.098 R)
• M21: 48,528,652 km (0.074 R)
• M22: 53,599,870 km (0.087 R)
• M23: 59,949,402 km (0.102 R)
• M24: 64,186,911 km (0.092 R)
• M25: 65,177,100 km (0.053 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 17,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit