🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.4

Radius: 15

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.97 AU - 1.25 AU

Year: 744 Days

Day: 10.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,961,928 km

• M1: 188,045 km (0.07 R)
• M2: 694,433 km (0.111 R)
• M3: 1,798,765 km (0.116 R)
• M4: 2,844,454 km (0.066 R)
• M5: 3,359,220 km (0.09 R)
• M6: 3,890,891 km (0.098 R)
• M7: 5,330,471 km (0.037 R)
• M8: 6,763,469 km (0.12 R)
• M9: 7,333,437 km (0.098 R)
• M10: 8,034,752 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.6

Radius: 13.3

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.49 AU - 1.63 AU

Year: 1239 Days

Day: 6 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,961,928 km

• M1: 165,455 km (0.116 R)
• M2: 625,319 km (0.091 R)
• M3: 1,115,551 km (0.112 R)
• M4: 1,717,832 km (0.091 R)
• M5: 2,253,991 km (0.041 R)
• M6: 2,680,794 km (0.108 R)
• M7: 3,233,408 km (0.064 R)
• M8: 3,877,876 km (0.116 R)
• M9: 5,363,981 km (0.106 R)
• M10: 5,783,603 km (0.1 R)
• M11: 6,339,060 km (0.114 R)
• M12: 8,527,677 km (0.046 R)
• M13: 9,398,037 km (0.11 R)
• M14: 10,263,162 km (0.115 R)
• M15: 10,846,743 km (0.066 R)
• M16: 11,452,615 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.9

Radius: 8.9

Gravity: 11.75 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.86 AU - 2.38 AU

Year: 1963 Days

Day: 10.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,961,928 km

• M1: 111,450 km (0.078 R)
• M2: 423,960 km (0.116 R)
• M3: 868,116 km (0.07 R)
• M4: 1,151,604 km (0.04 R)
• M5: 1,649,466 km (0.083 R)
• M6: 1,960,779 km (0.119 R)
• M7: 2,392,070 km (0.054 R)
• M8: 2,778,780 km (0.116 R)
• M9: 3,587,507 km (0.063 R)
• M10: 4,566,475 km (0.092 R)
• M11: 4,848,018 km (0.097 R)
• M12: 5,446,260 km (0.073 R)
• M13: 5,964,766 km (0.102 R)
• M14: 6,957,797 km (0.095 R)
• M15: 9,510,984 km (0.118 R)
• M16: 10,634,913 km (0.057 R)
• M17: 11,445,135 km (0.109 R)
• M18: 12,171,881 km (0.08 R)
• M19: 13,231,782 km (0.033 R)
• M20: 14,911,617 km (0.098 R)
• M21: 15,827,455 km (0.101 R)
• M22: 16,324,269 km (0.053 R)
• M23: 17,877,245 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789

Radius: 11.6

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.18 AU - 3.34 AU

Year: 3742 Days

Day: 10.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,961,928 km

• M1: 145,708 km (0.11 R)
• M2: 516,561 km (0.071 R)
• M3: 1,155,195 km (0.116 R)
• M4: 2,294,981 km (0.071 R)
• M5: 3,104,605 km (0.081 R)
• M6: 3,751,017 km (0.053 R)
• M7: 4,556,452 km (0.099 R)
• M8: 4,949,894 km (0.111 R)
• M9: 7,237,844 km (0.11 R)
• M10: 7,983,889 km (0.094 R)
• M11: 8,448,390 km (0.101 R)
• M12: 9,006,839 km (0.114 R)
• M13: 9,550,029 km (0.064 R)
• M14: 9,910,709 km (0.045 R)
• M15: 11,580,521 km (0.037 R)
• M16: 14,140,140 km (0.096 R)
• M17: 14,928,222 km (0.1 R)
• M18: 15,469,766 km (0.088 R)
• M19: 15,856,477 km (0.044 R)
• M20: 17,468,843 km (0.079 R)
• M21: 18,499,572 km (0.082 R)
• M22: 19,061,461 km (0.044 R)
• M23: 20,815,497 km (0.119 R)
• M24: 21,766,341 km (0.079 R)
• M25: 24,642,509 km (0.116 R)
• M26: 25,170,739 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.6

Radius: 13.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.23 AU - 3.73 AU

Year: 4128 Days

Day: 14.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,961,928 km

• M1: 169,943 km (0.094 R)
• M2: 677,379 km (0.039 R)
• M3: 1,138,889 km (0.094 R)
• M4: 1,583,643 km (0.102 R)
• M5: 2,439,044 km (0.065 R)
• M6: 2,911,474 km (0.074 R)
• M7: 3,684,895 km (0.089 R)
• M8: 4,450,237 km (0.053 R)
• M9: 4,984,003 km (0.087 R)
• M10: 5,425,466 km (0.088 R)
• M11: 6,239,578 km (0.058 R)
• M12: 6,815,978 km (0.069 R)
• M13: 7,263,276 km (0.096 R)
• M14: 8,504,639 km (0.115 R)
• M15: 9,842,792 km (0.107 R)
• M16: 10,795,880 km (0.089 R)
• M17: 12,363,067 km (0.103 R)
• M18: 13,822,993 km (0.091 R)
• M19: 14,386,229 km (0.081 R)
• M20: 15,178,948 km (0.03 R)
• M21: 15,833,887 km (0.119 R)
• M22: 16,621,670 km (0.108 R)
• M23: 17,258,957 km (0.097 R)
• M24: 19,586,550 km (0.106 R)
• M25: 20,428,786 km (0.08 R)
• M26: 25,158,024 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.2

Radius: 11

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.81 AU - 5.55 AU

Year: 6437 Days

Day: 5.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,961,928 km

• M1: 154,684 km (0.081 R)
• M2: 556,803 km (0.076 R)
• M3: 1,462,618 km (0.084 R)
• M4: 1,963,771 km (0.12 R)
• M5: 2,503,371 km (0.113 R)
• M6: 4,713,231 km (0.108 R)
• M7: 8,190,184 km (0.104 R)
• M8: 8,802,339 km (0.068 R)
• M9: 10,624,590 km (0.086 R)
• M10: 14,361,096 km (0.099 R)
• M11: 20,574,345 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.6

Radius: 3.7

Gravity: 56.65 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.79 AU - 7.23 AU

Year: 11801 Days

Day: 20.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,961,928 km

• M1: 52,509 km (0.081 R)
• M2: 315,053 km (0.077 R)
• M3: 981,212 km (0.084 R)
• M4: 1,336,507 km (0.047 R)
• M5: 1,521,261 km (0.108 R)
• M6: 1,855,612 km (0.116 R)
• M7: 3,032,947 km (0.084 R)
• M8: 4,030,167 km (0.063 R)
• M9: 5,614,707 km (0.105 R)
• M10: 5,945,019 km (0.077 R)
• M11: 7,225,128 km (0.098 R)
• M12: 10,866,191 km (0.105 R)
• M13: 11,206,077 km (0.079 R)
• M14: 11,378,564 km (0.109 R)
• M15: 13,139,480 km (0.11 R)
• M16: 13,655,443 km (0.088 R)
• M17: 16,439,160 km (0.094 R)
• M18: 17,113,847 km (0.098 R)
• M19: 20,336,484 km (0.087 R)
• M20: 21,465,050 km (0.047 R)
• M21: 25,594,251 km (0.078 R)
• M22: 33,085,663 km (0.089 R)
• M23: 36,880,363 km (0.089 R)
• M24: 37,775,557 km (0.085 R)
• M25: 38,947,656 km (0.103 R)
• M26: 39,876,060 km (0.115 R)
• M27: 40,278,329 km (0.117 R)
• M28: 41,091,094 km (0.105 R)
• M29: 46,493,971 km (0.031 R)
• M30: 49,364,754 km (0.094 R)
• M31: 49,828,508 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 397.1

Radius: 3.9

Gravity: 26.11 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.48 AU - 9.14 AU

Year: 16626 Days

Day: 16.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,961,928 km

• M1: 49,068 km (0.114 R)
• M2: 174,431 km (0.07 R)
• M3: 295,755 km (0.117 R)
• M4: 451,337 km (0.095 R)
• M5: 695,481 km (0.102 R)
• M6: 1,401,283 km (0.104 R)
• M7: 1,622,987 km (0.083 R)
• M8: 2,329,837 km (0.096 R)
• M9: 2,980,289 km (0.086 R)
• M10: 3,424,295 km (0.1 R)
• M11: 3,608,450 km (0.113 R)
• M12: 4,200,708 km (0.03 R)
• M13: 5,223,808 km (0.087 R)
• M14: 5,756,376 km (0.087 R)
• M15: 6,928,625 km (0.032 R)
• M16: 7,138,362 km (0.093 R)
• M17: 12,769,375 km (0.101 R)
• M18: 13,212,334 km (0.119 R)
• M19: 13,469,942 km (0.103 R)
• M20: 16,529,817 km (0.115 R)
• M21: 17,208,093 km (0.111 R)
• M22: 19,519,680 km (0.08 R)
• M23: 19,938,105 km (0.103 R)
• M24: 23,881,505 km (0.098 R)
• M25: 26,644,129 km (0.118 R)
• M26: 28,958,557 km (0.077 R)
• M27: 29,393,289 km (0.1 R)
• M28: 30,387,367 km (0.12 R)
• M29: 31,517,878 km (0.103 R)
• M30: 31,862,402 km (0.088 R)
• M31: 34,587,925 km (0.067 R)
• M32: 37,336,487 km (0.112 R)
• M33: 39,824,449 km (0.083 R)
• M34: 43,122,185 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.5

Radius: 5.3

Gravity: 16.86 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.78 AU - 11.76 AU

Year: 19417 Days

Day: 16.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,961,928 km

• M1: 67,319 km (0.096 R)
• M2: 384,018 km (0.091 R)
• M3: 1,095,505 km (0.1 R)
• M4: 1,917,246 km (0.064 R)
• M5: 2,455,649 km (0.064 R)
• M6: 2,939,897 km (0.11 R)
• M7: 3,430,878 km (0.101 R)
• M8: 6,438,244 km (0.049 R)
• M9: 6,995,196 km (0.104 R)
• M10: 8,155,478 km (0.039 R)
• M11: 8,807,126 km (0.056 R)
• M12: 10,270,193 km (0.094 R)
• M13: 10,969,713 km (0.061 R)
• M14: 12,790,468 km (0.094 R)
• M15: 14,016,722 km (0.072 R)
• M16: 18,753,589 km (0.088 R)
• M17: 20,969,134 km (0.119 R)
• M18: 23,650,825 km (0.116 R)
• M19: 24,867,056 km (0.09 R)
• M20: 25,700,615 km (0.047 R)
• M21: 29,799,297 km (0.084 R)
• M22: 30,858,301 km (0.114 R)
• M23: 32,802,624 km (0.113 R)
• M24: 35,215,638 km (0.117 R)
• M25: 35,738,333 km (0.064 R)
• M26: 36,531,950 km (0.105 R)
• M27: 40,964,235 km (0.119 R)
• M28: 41,397,321 km (0.086 R)
• M29: 42,862,932 km (0.088 R)
• M30: 47,625,380 km (0.03 R)
• M31: 50,878,086 km (0.1 R)
• M32: 52,388,875 km (0.113 R)
• M33: 59,282,195 km (0.08 R)
• M34: 60,954,550 km (0.034 R)
• M35: 63,811,121 km (0.09 R)
• M36: 65,370,679 km (0.067 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 14,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit