🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.4

Radius: 13

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.45 AU - 0.63 AU

Year: 269 Days

Day: 10.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,753,559 km

• M1: 161,865 km (0.077 R)
• M2: 588,967 km (0.054 R)
• M3: 1,012,628 km (0.049 R)
• M4: 1,526,945 km (0.099 R)
• M5: 1,972,298 km (0.104 R)
• M6: 2,887,538 km (0.115 R)
• M7: 3,557,587 km (0.109 R)
• M8: 4,008,026 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.5

Radius: 10

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.57 AU - 0.83 AU

Year: 397 Days

Day: 13.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,753,559 km

• M1: 124,465 km (0.109 R)
• M2: 463,903 km (0.06 R)
• M3: 915,689 km (0.064 R)
• M4: 1,402,181 km (0.107 R)
• M5: 2,170,216 km (0.071 R)
• M6: 2,568,296 km (0.099 R)
• M7: 2,962,786 km (0.109 R)
• M8: 3,329,749 km (0.112 R)
• M9: 5,204,211 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 998.1

Radius: 9.7

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.36 AU - 1.38 AU

Year: 1088 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,753,559 km

• M1: 120,725 km (0.045 R)
• M2: 432,188 km (0.11 R)
• M3: 793,467 km (0.109 R)
• M4: 1,681,031 km (0.12 R)
• M5: 2,127,282 km (0.086 R)
• M6: 2,537,778 km (0.115 R)
• M7: 3,114,029 km (0.106 R)
• M8: 3,808,313 km (0.12 R)
• M9: 4,398,626 km (0.107 R)
• M10: 5,231,438 km (0.025 R)
• M11: 5,872,165 km (0.116 R)
• M12: 6,564,504 km (0.102 R)
• M13: 8,476,066 km (0.064 R)
• M14: 9,269,084 km (0.092 R)
• M15: 10,900,748 km (0.103 R)
• M16: 11,660,556 km (0.069 R)
• M17: 12,089,602 km (0.099 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.2

Radius: 10.7

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.39 AU - 2.81 AU

Year: 2843 Days

Day: 10.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,753,559 km

• M1: 134,339 km (0.082 R)
• M2: 691,741 km (0.056 R)
• M3: 1,172,249 km (0.109 R)
• M4: 1,607,728 km (0.096 R)
• M5: 2,288,249 km (0.095 R)
• M6: 2,624,545 km (0.068 R)
• M7: 2,993,902 km (0.049 R)
• M8: 3,640,464 km (0.063 R)
• M9: 4,044,678 km (0.068 R)
• M10: 4,686,602 km (0.053 R)
• M11: 5,188,802 km (0.119 R)
• M12: 5,678,586 km (0.104 R)
• M13: 6,353,272 km (0.071 R)
• M14: 7,249,662 km (0.092 R)
• M15: 7,772,956 km (0.08 R)
• M16: 10,158,443 km (0.066 R)
• M17: 12,578,339 km (0.108 R)
• M18: 13,037,155 km (0.096 R)
• M19: 13,550,426 km (0.112 R)
• M20: 14,345,538 km (0.11 R)
• M21: 14,938,843 km (0.096 R)
• M22: 15,883,704 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.7

Radius: 12.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.36 AU - 3.74 AU

Year: 3613 Days

Day: 5 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,753,559 km

• M1: 166,951 km (0.099 R)
• M2: 663,616 km (0.103 R)
• M3: 1,099,245 km (0.039 R)
• M4: 1,510,340 km (0.041 R)
• M5: 1,921,285 km (0.096 R)
• M6: 2,961,739 km (0.085 R)
• M7: 3,617,576 km (0.072 R)
• M8: 4,226,289 km (0.056 R)
• M9: 5,384,925 km (0.077 R)
• M10: 6,418,796 km (0.086 R)
• M11: 7,169,029 km (0.117 R)
• M12: 7,761,736 km (0.087 R)
• M13: 8,164,453 km (0.115 R)
• M14: 9,045,884 km (0.066 R)
• M15: 9,492,284 km (0.106 R)
• M16: 9,953,494 km (0.119 R)
• M17: 10,579,113 km (0.094 R)
• M18: 11,950,177 km (0.058 R)
• M19: 12,404,655 km (0.102 R)
• M20: 13,792,774 km (0.068 R)
• M21: 15,768,812 km (0.108 R)
• M22: 16,316,041 km (0.117 R)
• M23: 17,030,970 km (0.101 R)
• M24: 17,819,949 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.1

Radius: 14.5

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.44 AU - 4.22 AU

Year: 5084 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,753,559 km

• M1: 180,415 km (0.062 R)
• M2: 694,284 km (0.084 R)
• M3: 1,261,260 km (0.076 R)
• M4: 1,947,615 km (0.098 R)
• M5: 2,436,949 km (0.098 R)
• M6: 3,009,161 km (0.098 R)
• M7: 3,793,204 km (0.102 R)
• M8: 5,400,334 km (0.094 R)
• M9: 5,865,433 km (0.096 R)
• M10: 8,061,231 km (0.069 R)
• M11: 9,949,306 km (0.119 R)
• M12: 14,451,005 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 938.8

Radius: 4.8

Gravity: 40.75 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.49 AU - 6.55 AU

Year: 11292 Days

Day: 21.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 48,753,559 km

• M1: 60,138 km (0.067 R)
• M2: 549,323 km (0.072 R)
• M3: 1,325,736 km (0.119 R)
• M4: 1,495,680 km (0.109 R)
• M5: 1,648,269 km (0.075 R)
• M6: 1,879,548 km (0.115 R)
• M7: 2,094,969 km (0.111 R)
• M8: 2,366,788 km (0.089 R)
• M9: 2,795,685 km (0.118 R)
• M10: 4,005,633 km (0.092 R)
• M11: 4,363,321 km (0.111 R)
• M12: 4,549,870 km (0.08 R)
• M13: 5,385,673 km (0.096 R)
• M14: 6,009,496 km (0.061 R)
• M15: 8,029,666 km (0.027 R)
• M16: 9,293,618 km (0.106 R)
• M17: 9,919,386 km (0.107 R)
• M18: 10,628,630 km (0.109 R)
• M19: 11,429,577 km (0.116 R)
• M20: 12,331,502 km (0.106 R)
• M21: 12,705,347 km (0.112 R)
• M22: 14,757,531 km (0.097 R)
• M23: 15,392,424 km (0.058 R)
• M24: 16,792,211 km (0.094 R)
• M25: 17,876,347 km (0.113 R)
• M26: 18,114,657 km (0.058 R)
• M27: 19,254,592 km (0.091 R)
• M28: 21,766,640 km (0.096 R)
• M29: 21,947,504 km (0.079 R)
• M30: 24,294,096 km (0.104 R)
• M31: 26,083,586 km (0.1 R)
• M32: 33,276,401 km (0.079 R)
• M33: 35,604,443 km (0.105 R)
• M34: 36,744,229 km (0.097 R)
• M35: 37,000,640 km (0.115 R)
• M36: 41,269,415 km (0.07 R)
• M37: 42,104,620 km (0.043 R)
• M38: 42,526,486 km (0.102 R)
• M39: 44,678,152 km (0.104 R)
• M40: 45,117,072 km (0.057 R)
• M41: 45,558,835 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.2

Radius: 7.5

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 7.51 AU - 9.27 AU

Year: 16483 Days

Day: 16 Hours

Environment

Temp: -238 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,753,559 km

• M1: 234,270 km (0.06 R)
• M2: 1,488,499 km (0.115 R)
• M3: 2,677,054 km (0.103 R)
• M4: 4,090,006 km (0.071 R)
• M5: 5,493,084 km (0.09 R)
• M6: 6,120,946 km (0.117 R)
• M7: 8,028,918 km (0.099 R)
• M8: 9,648,614 km (0.108 R)
• M9: 11,255,295 km (0.1 R)
• M10: 12,616,037 km (0.109 R)
• M11: 17,425,160 km (0.069 R)
• M12: 18,393,357 km (0.106 R)
• M13: 20,193,469 km (0.045 R)
• M14: 30,444,812 km (0.115 R)
• M15: 38,630,658 km (0.074 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.8

Radius: 3

Gravity: 31.09 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.26 AU - 10.86 AU

Year: 18496 Days

Day: 17.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 48,753,559 km

• M1: 37,399 km (0.05 R)
• M2: 134,488 km (0.115 R)
• M3: 334,202 km (0.094 R)
• M4: 434,432 km (0.09 R)
• M5: 688,898 km (0.118 R)
• M6: 796,309 km (0.104 R)
• M7: 935,735 km (0.094 R)
• M8: 1,056,610 km (0.082 R)
• M9: 2,198,341 km (0.067 R)
• M10: 2,706,076 km (0.117 R)
• M11: 3,782,433 km (0.111 R)
• M12: 4,061,732 km (0.102 R)
• M13: 5,182,070 km (0.041 R)
• M14: 5,387,019 km (0.089 R)
• M15: 5,668,413 km (0.101 R)
• M16: 6,108,979 km (0.075 R)
• M17: 7,057,728 km (0.034 R)
• M18: 7,182,792 km (0.12 R)
• M19: 8,563,730 km (0.045 R)
• M20: 8,706,147 km (0.116 R)
• M21: 10,594,372 km (0.075 R)
• M22: 11,837,380 km (0.097 R)
• M23: 15,433,115 km (0.068 R)
• M24: 17,099,485 km (0.085 R)
• M25: 21,825,731 km (0.113 R)
• M26: 22,719,877 km (0.08 R)
• M27: 23,918,306 km (0.117 R)
• M28: 34,099,189 km (0.056 R)
• M29: 38,300,795 km (0.114 R)
• M30: 40,259,330 km (0.114 R)
• M31: 44,658,555 km (0.115 R)
• M32: 45,086,704 km (0.096 R)
• M33: 53,268,211 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.6

Radius: 6.4

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.72 AU - 11.32 AU

Year: 19923 Days

Day: 23.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,753,559 km

• M1: 80,633 km (0.114 R)
• M2: 744,100 km (0.055 R)
• M3: 1,515,576 km (0.118 R)
• M4: 1,750,445 km (0.087 R)
• M5: 2,275,683 km (0.112 R)
• M6: 4,485,543 km (0.095 R)
• M7: 4,755,866 km (0.12 R)
• M8: 6,612,525 km (0.028 R)
• M9: 9,188,900 km (0.062 R)
• M10: 10,911,669 km (0.086 R)
• M11: 13,946,261 km (0.1 R)
• M12: 14,329,082 km (0.107 R)
• M13: 14,588,186 km (0.05 R)
• M14: 16,774,708 km (0.034 R)
• M15: 17,945,910 km (0.096 R)
• M16: 30,931,155 km (0.112 R)
• M17: 34,741,413 km (0.112 R)
• M18: 35,326,939 km (0.038 R)
• M19: 39,104,734 km (0.085 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 18,593 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit