🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.8

Radius: 12

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.71 AU - 0.87 AU

Year: 494 Days

Day: 9.7 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,651,197 km

• M1: 149,299 km (0.064 R)
• M2: 549,323 km (0.102 R)
• M3: 1,035,666 km (0.11 R)
• M4: 1,440,328 km (0.107 R)
• M5: 1,836,912 km (0.091 R)
• M6: 2,307,248 km (0.112 R)
• M7: 2,830,691 km (0.119 R)
• M8: 3,219,496 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.5

Radius: 13.8

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.78 AU - 1.2 AU

Year: 692 Days

Day: 7.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,651,197 km

• M1: 172,935 km (0.076 R)
• M2: 829,969 km (0.059 R)
• M3: 2,158,099 km (0.082 R)
• M4: 2,647,434 km (0.115 R)
• M5: 3,172,971 km (0.084 R)
• M6: 3,768,071 km (0.077 R)
• M7: 4,373,045 km (0.1 R)
• M8: 5,095,154 km (0.073 R)
• M9: 6,013,834 km (0.043 R)
• M10: 7,514,451 km (0.109 R)
• M11: 8,131,392 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.5

Radius: 14.1

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.1 AU - 1.22 AU

Year: 878 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,651,197 km

• M1: 176,525 km (0.086 R)
• M2: 782,546 km (0.102 R)
• M3: 1,296,714 km (0.098 R)
• M4: 2,099,307 km (0.059 R)
• M5: 2,574,879 km (0.087 R)
• M6: 3,019,932 km (0.08 R)
• M7: 3,823,123 km (0.04 R)
• M8: 4,275,956 km (0.093 R)
• M9: 4,960,067 km (0.079 R)
• M10: 5,755,928 km (0.066 R)
• M11: 6,311,534 km (0.093 R)
• M12: 6,993,551 km (0.112 R)
• M13: 8,636,435 km (0.06 R)
• M14: 9,091,511 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.9

Radius: 13.6

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.23 AU - 1.61 AU

Year: 1189 Days

Day: 14.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,651,197 km

• M1: 169,195 km (0.115 R)
• M2: 622,028 km (0.119 R)
• M3: 1,199,625 km (0.102 R)
• M4: 1,805,497 km (0.086 R)
• M5: 2,311,287 km (0.114 R)
• M6: 3,077,827 km (0.12 R)
• M7: 3,505,976 km (0.04 R)
• M8: 3,957,612 km (0.065 R)
• M9: 4,803,887 km (0.094 R)
• M10: 5,467,952 km (0.117 R)
• M11: 6,238,530 km (0.106 R)
• M12: 6,930,869 km (0.109 R)
• M13: 7,834,141 km (0.116 R)
• M14: 8,756,412 km (0.11 R)
• M15: 12,213,320 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.3

Radius: 10.2

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.72 AU - 2.22 AU

Year: 1944 Days

Day: 7.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,651,197 km

• M1: 126,859 km (0.035 R)
• M2: 604,675 km (0.112 R)
• M3: 1,110,016 km (0.113 R)
• M4: 1,497,175 km (0.077 R)
• M5: 2,250,251 km (0.111 R)
• M6: 2,635,166 km (0.108 R)
• M7: 3,174,168 km (0.096 R)
• M8: 3,556,091 km (0.086 R)
• M9: 3,949,982 km (0.049 R)
• M10: 4,783,542 km (0.079 R)
• M11: 5,564,442 km (0.108 R)
• M12: 6,663,987 km (0.062 R)
• M13: 7,407,039 km (0.067 R)
• M14: 8,671,291 km (0.083 R)
• M15: 9,057,702 km (0.103 R)
• M16: 10,286,350 km (0.118 R)
• M17: 10,866,789 km (0.107 R)
• M18: 11,700,349 km (0.102 R)
• M19: 12,132,836 km (0.051 R)
• M20: 12,575,945 km (0.095 R)
• M21: 13,366,869 km (0.105 R)
• M22: 13,839,598 km (0.047 R)
• M23: 14,727,910 km (0.086 R)
• M24: 15,559,375 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.1

Radius: 8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.64 AU - 2.36 AU

Year: 1988 Days

Day: 9.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,651,197 km

• M1: 99,483 km (0.055 R)
• M2: 369,507 km (0.071 R)
• M3: 624,571 km (0.118 R)
• M4: 1,004,251 km (0.11 R)
• M5: 1,448,855 km (0.085 R)
• M6: 2,061,608 km (0.083 R)
• M7: 3,138,713 km (0.114 R)
• M8: 4,023,734 km (0.053 R)
• M9: 6,485,367 km (0.085 R)
• M10: 7,086,601 km (0.087 R)
• M11: 7,724,486 km (0.077 R)
• M12: 8,539,794 km (0.045 R)
• M13: 9,531,928 km (0.105 R)
• M14: 9,930,755 km (0.117 R)
• M15: 11,027,009 km (0.032 R)
• M16: 11,535,492 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.7

Radius: 11.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.48 AU - 2.68 AU

Year: 2913 Days

Day: 11.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,651,197 km

• M1: 140,024 km (0.097 R)
• M2: 525,837 km (0.047 R)
• M3: 1,575,116 km (0.111 R)
• M4: 3,095,479 km (0.092 R)
• M5: 3,768,520 km (0.119 R)
• M6: 4,536,705 km (0.114 R)
• M7: 5,618,597 km (0.096 R)
• M8: 6,406,828 km (0.047 R)
• M9: 7,038,879 km (0.087 R)
• M10: 8,037,146 km (0.095 R)
• M11: 9,707,855 km (0.113 R)
• M12: 10,443,727 km (0.113 R)
• M13: 11,319,921 km (0.074 R)
• M14: 12,427,843 km (0.058 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.6

Radius: 13.3

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.37 AU - 4.51 AU

Year: 5497 Days

Day: 7 Hours

Environment

Temp: -228 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,651,197 km

• M1: 169,195 km (0.106 R)
• M2: 618,288 km (0.055 R)
• M3: 1,264,700 km (0.117 R)
• M4: 1,730,698 km (0.1 R)
• M5: 2,651,024 km (0.078 R)
• M6: 3,350,394 km (0.106 R)
• M7: 4,960,815 km (0.101 R)
• M8: 6,362,846 km (0.086 R)
• M9: 7,072,389 km (0.03 R)
• M10: 7,798,238 km (0.082 R)
• M11: 8,765,238 km (0.098 R)
• M12: 9,439,626 km (0.075 R)
• M13: 10,020,813 km (0.12 R)
• M14: 11,346,998 km (0.115 R)
• M15: 12,489,777 km (0.079 R)
• M16: 13,293,267 km (0.111 R)
• M17: 15,339,915 km (0.119 R)
• M18: 17,342,432 km (0.082 R)
• M19: 19,118,009 km (0.058 R)
• M20: 20,733,966 km (0.066 R)
• M21: 21,292,415 km (0.042 R)
• M22: 21,932,544 km (0.054 R)
• M23: 26,452,045 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.8

Radius: 11.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 3.85 AU - 5.55 AU

Year: 7162 Days

Day: 9.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,651,197 km

• M1: 143,315 km (0.106 R)
• M2: 502,350 km (0.11 R)
• M3: 1,219,821 km (0.077 R)
• M4: 1,848,880 km (0.099 R)
• M5: 2,499,332 km (0.111 R)
• M6: 2,894,120 km (0.081 R)
• M7: 3,503,433 km (0.094 R)
• M8: 4,000,546 km (0.119 R)
• M9: 4,398,925 km (0.104 R)
• M10: 5,114,602 km (0.095 R)
• M11: 5,830,876 km (0.092 R)
• M12: 6,213,548 km (0.063 R)
• M13: 7,854,187 km (0.105 R)
• M14: 9,176,633 km (0.038 R)
• M15: 11,060,668 km (0.087 R)
• M16: 11,729,071 km (0.083 R)
• M17: 16,169,435 km (0.06 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 870

Radius: 3.7

Gravity: 63.55 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.46 AU - 8.26 AU

Year: 12630 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,651,197 km

• M1: 46,226 km (0.075 R)
• M2: 208,839 km (0.108 R)
• M3: 545,583 km (0.104 R)
• M4: 793,018 km (0.114 R)
• M5: 981,661 km (0.093 R)
• M6: 1,111,213 km (0.11 R)
• M7: 1,334,114 km (0.112 R)
• M8: 1,570,478 km (0.074 R)
• M9: 1,748,650 km (0.116 R)
• M10: 2,107,385 km (0.03 R)
• M11: 3,017,389 km (0.083 R)
• M12: 5,906,722 km (0.105 R)
• M13: 6,258,277 km (0.04 R)
• M14: 6,917,406 km (0.052 R)
• M15: 7,486,177 km (0.116 R)
• M16: 8,469,633 km (0.101 R)
• M17: 8,865,918 km (0.111 R)
• M18: 11,269,656 km (0.034 R)
• M19: 11,447,827 km (0.09 R)
• M20: 11,870,741 km (0.111 R)
• M21: 13,400,229 km (0.099 R)
• M22: 14,350,625 km (0.108 R)
• M23: 14,630,223 km (0.055 R)
• M24: 16,308,561 km (0.098 R)
• M25: 18,355,509 km (0.115 R)
• M26: 18,934,602 km (0.093 R)
• M27: 19,611,084 km (0.116 R)
• M28: 22,013,327 km (0.086 R)
• M29: 24,110,240 km (0.106 R)
• M30: 25,005,134 km (0.095 R)
• M31: 25,308,220 km (0.119 R)
• M32: 28,695,864 km (0.045 R)
• M33: 29,587,616 km (0.104 R)
• M34: 36,612,284 km (0.047 R)
• M35: 46,473,327 km (0.114 R)
• M36: 52,007,401 km (0.084 R)
• M37: 56,218,431 km (0.116 R)
• M38: 57,437,055 km (0.077 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 14,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit