🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.7

Radius: 12.4

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.63 AU - 0.85 AU

Year: 418 Days

Day: 7.7 Hours

Environment

Temp: -140 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,696,742 km

• M1: 154,235 km (0.054 R)
• M2: 622,626 km (0.088 R)
• M3: 1,084,435 km (0.108 R)
• M4: 1,605,634 km (0.107 R)
• M5: 1,991,297 km (0.1 R)
• M6: 2,604,349 km (0.099 R)
• M7: 3,032,798 km (0.037 R)
• M8: 3,435,814 km (0.096 R)
• M9: 3,993,665 km (0.119 R)
• M10: 4,943,611 km (0.108 R)
• M11: 5,406,317 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129

Radius: 12.5

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.1 AU - 1.18 AU

Year: 798 Days

Day: 14.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,696,742 km

• M1: 155,582 km (0.068 R)
• M2: 861,983 km (0.1 R)
• M3: 1,265,598 km (0.041 R)
• M4: 1,654,253 km (0.063 R)
• M5: 2,197,742 km (0.109 R)
• M6: 4,179,765 km (0.092 R)
• M7: 4,775,762 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.7

Radius: 12.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 2.02 AU - 3.08 AU

Year: 2671 Days

Day: 10.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,696,742 km

• M1: 151,094 km (0.113 R)
• M2: 626,217 km (0.077 R)
• M3: 1,146,219 km (0.066 R)
• M4: 1,773,333 km (0.076 R)
• M5: 2,428,721 km (0.026 R)
• M6: 2,967,872 km (0.041 R)
• M7: 4,037,946 km (0.07 R)
• M8: 5,129,113 km (0.111 R)
• M9: 6,049,289 km (0.098 R)
• M10: 6,986,520 km (0.096 R)
• M11: 7,443,392 km (0.119 R)
• M12: 8,383,764 km (0.101 R)
• M13: 9,959,478 km (0.082 R)
• M14: 10,817,572 km (0.115 R)
• M15: 12,066,415 km (0.039 R)
• M16: 15,199,443 km (0.097 R)
• M17: 16,980,555 km (0.082 R)
• M18: 18,896,754 km (0.118 R)
• M19: 19,726,274 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.5

Radius: 14.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.9 AU - 5.78 AU

Year: 8095 Days

Day: 9.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,696,742 km

• M1: 183,108 km (0.083 R)
• M2: 934,089 km (0.045 R)
• M3: 1,529,788 km (0.064 R)
• M4: 3,523,778 km (0.043 R)
• M5: 4,483,747 km (0.067 R)
• M6: 5,040,551 km (0.092 R)
• M7: 9,727,302 km (0.117 R)
• M8: 10,330,331 km (0.076 R)
• M9: 10,958,343 km (0.114 R)
• M10: 11,560,624 km (0.071 R)
• M11: 12,344,367 km (0.07 R)
• M12: 15,339,018 km (0.11 R)
• M13: 20,468,280 km (0.101 R)
• M14: 22,245,802 km (0.08 R)
• M15: 23,956,753 km (0.093 R)
• M16: 24,546,168 km (0.112 R)
• M17: 26,195,036 km (0.096 R)
• M18: 27,182,681 km (0.028 R)
• M19: 27,639,852 km (0.099 R)
• M20: 28,569,453 km (0.093 R)
• M21: 30,885,528 km (0.09 R)
• M22: 33,743,146 km (0.049 R)
• M23: 34,484,104 km (0.088 R)
• M24: 35,235,983 km (0.078 R)
• M25: 36,439,648 km (0.085 R)
• M26: 37,107,602 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.1

Radius: 8.6

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 4.74 AU - 6.34 AU

Year: 8554 Days

Day: 8.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 79,696,742 km

• M1: 106,962 km (0.104 R)
• M2: 486,343 km (0.116 R)
• M3: 756,666 km (0.064 R)
• M4: 1,410,409 km (0.047 R)
• M5: 1,748,500 km (0.077 R)
• M6: 2,156,005 km (0.106 R)
• M7: 2,625,891 km (0.102 R)
• M8: 3,162,499 km (0.1 R)
• M9: 3,523,030 km (0.08 R)
• M10: 4,201,157 km (0.084 R)
• M11: 5,753,983 km (0.089 R)
• M12: 6,934,609 km (0.065 R)
• M13: 8,507,631 km (0.096 R)
• M14: 9,636,496 km (0.031 R)
• M15: 11,341,613 km (0.083 R)
• M16: 12,087,059 km (0.111 R)
• M17: 12,549,765 km (0.087 R)
• M18: 13,565,385 km (0.052 R)
• M19: 15,638,363 km (0.09 R)
• M20: 16,498,850 km (0.079 R)
• M21: 20,257,945 km (0.106 R)
• M22: 25,294,307 km (0.104 R)
• M23: 25,881,928 km (0.047 R)
• M24: 26,997,479 km (0.102 R)
• M25: 28,055,435 km (0.107 R)
• M26: 28,504,229 km (0.032 R)
• M27: 32,171,172 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 8.6

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 5.36 AU - 6.28 AU

Year: 9211 Days

Day: 10.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,696,742 km

• M1: 107,262 km (0.081 R)
• M2: 382,971 km (0.106 R)
• M3: 809,175 km (0.088 R)
• M4: 1,216,081 km (0.095 R)
• M5: 1,946,717 km (0.07 R)
• M6: 2,409,124 km (0.096 R)
• M7: 2,877,814 km (0.108 R)
• M8: 4,190,835 km (0.095 R)
• M9: 4,655,935 km (0.063 R)
• M10: 4,932,541 km (0.098 R)
• M11: 5,759,069 km (0.096 R)
• M12: 6,409,222 km (0.116 R)
• M13: 9,605,530 km (0.085 R)
• M14: 11,269,058 km (0.061 R)
• M15: 11,713,214 km (0.08 R)
• M16: 11,996,852 km (0.112 R)
• M17: 13,177,029 km (0.07 R)
• M18: 14,628,129 km (0.056 R)
• M19: 16,322,923 km (0.102 R)
• M20: 17,400,327 km (0.09 R)
• M21: 17,695,633 km (0.099 R)
• M22: 19,856,425 km (0.111 R)
• M23: 20,751,618 km (0.104 R)
• M24: 22,709,705 km (0.093 R)
• M25: 26,017,014 km (0.101 R)
• M26: 29,007,626 km (0.098 R)
• M27: 29,318,789 km (0.113 R)
• M28: 31,341,352 km (0.118 R)
• M29: 37,226,981 km (0.095 R)
• M30: 38,212,383 km (0.102 R)
• M31: 39,341,697 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.3

Radius: 5

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.92 AU - 11.28 AU

Year: 18008 Days

Day: 23.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,696,742 km

• M1: 64,477 km (0.066 R)
• M2: 480,060 km (0.067 R)
• M3: 713,582 km (0.107 R)
• M4: 3,173,270 km (0.11 R)
• M5: 3,448,979 km (0.084 R)
• M6: 4,660,273 km (0.087 R)
• M7: 6,866,093 km (0.103 R)
• M8: 7,696,062 km (0.106 R)
• M9: 9,001,005 km (0.094 R)
• M10: 10,400,792 km (0.078 R)
• M11: 11,492,408 km (0.104 R)
• M12: 13,242,852 km (0.055 R)
• M13: 19,616,470 km (0.086 R)
• M14: 22,100,692 km (0.079 R)
• M15: 23,576,325 km (0.081 R)
• M16: 25,700,316 km (0.056 R)
• M17: 30,324,536 km (0.059 R)
• M18: 32,535,742 km (0.107 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 305.1

Radius: 4.3

Gravity: 16.5 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.96 AU - 10.82 AU

Year: 18876 Days

Day: 18.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,696,742 km

• M1: 59,989 km (0.06 R)
• M2: 412,890 km (0.095 R)
• M3: 648,208 km (0.08 R)
• M4: 1,387,819 km (0.104 R)
• M5: 1,733,690 km (0.105 R)
• M6: 2,079,111 km (0.079 R)
• M7: 2,268,353 km (0.103 R)
• M8: 2,552,439 km (0.055 R)
• M9: 2,747,365 km (0.064 R)
• M10: 3,548,461 km (0.058 R)
• M11: 4,683,012 km (0.094 R)
• M12: 4,975,625 km (0.117 R)
• M13: 5,349,769 km (0.091 R)
• M14: 7,952,772 km (0.087 R)
• M15: 8,947,000 km (0.095 R)
• M16: 10,507,006 km (0.051 R)
• M17: 11,701,097 km (0.06 R)
• M18: 12,919,871 km (0.088 R)
• M19: 13,173,289 km (0.03 R)
• M20: 19,294,535 km (0.111 R)
• M21: 22,964,320 km (0.087 R)
• M22: 28,544,919 km (0.104 R)
• M23: 30,963,767 km (0.065 R)
• M24: 32,689,080 km (0.057 R)
• M25: 35,954,502 km (0.09 R)
• M26: 39,165,770 km (0.052 R)
• M27: 44,404,837 km (0.082 R)
• M28: 44,837,324 km (0.07 R)
• M29: 45,272,504 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.3

Radius: 7.6

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 10.34 AU - 10.78 AU

Year: 22512 Days

Day: 16.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,696,742 km

• M1: 99,183 km (0.098 R)
• M2: 821,292 km (0.033 R)
• M3: 1,398,890 km (0.058 R)
• M4: 2,201,033 km (0.099 R)
• M5: 2,606,294 km (0.093 R)
• M6: 3,087,251 km (0.086 R)
• M7: 3,685,942 km (0.115 R)
• M8: 4,292,262 km (0.063 R)
• M9: 8,952,984 km (0.093 R)
• M10: 12,698,765 km (0.074 R)
• M11: 14,836,219 km (0.09 R)
• M12: 22,259,415 km (0.052 R)
• M13: 25,345,470 km (0.058 R)
• M14: 30,303,891 km (0.07 R)
• M15: 35,732,199 km (0.106 R)
• M16: 41,003,879 km (0.119 R)
• M17: 44,792,445 km (0.114 R)
• M18: 69,426,726 km (0.088 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: 438 - 16,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit