🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.7

Radius: 15

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.85 AU - 0.85 AU

Year: 532 Days

Day: 14.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,375,247 km

• M1: 186,549 km (0.094 R)
• M2: 785,987 km (0.095 R)
• M3: 1,330,374 km (0.098 R)
• M4: 1,999,076 km (0.114 R)
• M5: 2,480,482 km (0.073 R)
• M6: 3,166,688 km (0.111 R)
• M7: 4,002,641 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 10

Gravity: 7.86 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.16 AU - 1.4 AU

Year: 982 Days

Day: 9.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,375,247 km

• M1: 124,615 km (0.117 R)
• M2: 463,903 km (0.092 R)
• M3: 889,958 km (0.114 R)
• M4: 1,277,566 km (0.063 R)
• M5: 1,600,548 km (0.099 R)
• M6: 2,173,956 km (0.108 R)
• M7: 2,604,649 km (0.069 R)
• M8: 3,503,433 km (0.102 R)
• M9: 3,855,885 km (0.103 R)
• M10: 4,368,557 km (0.094 R)
• M11: 4,759,606 km (0.063 R)
• M12: 5,077,651 km (0.109 R)
• M13: 5,530,633 km (0.098 R)
• M14: 6,517,979 km (0.112 R)
• M15: 6,911,122 km (0.062 R)
• M16: 7,394,024 km (0.042 R)
• M17: 9,672,400 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.5

Radius: 9.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.4 AU - 1.5 AU

Year: 1184 Days

Day: 9.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,375,247 km

• M1: 125,064 km (0.043 R)
• M2: 582,085 km (0.072 R)
• M3: 1,081,293 km (0.049 R)
• M4: 1,400,086 km (0.113 R)
• M5: 1,851,872 km (0.1 R)
• M6: 2,217,190 km (0.086 R)
• M7: 2,804,212 km (0.107 R)
• M8: 3,395,423 km (0.077 R)
• M9: 5,360,690 km (0.083 R)
• M10: 5,744,259 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.5

Radius: 11.6

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.36 AU - 2.8 AU

Year: 2811 Days

Day: 10.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,375,247 km

• M1: 144,512 km (0.108 R)
• M2: 520,301 km (0.11 R)
• M3: 1,181,075 km (0.075 R)
• M4: 1,605,185 km (0.109 R)
• M5: 2,878,712 km (0.054 R)
• M6: 3,552,501 km (0.105 R)
• M7: 4,044,977 km (0.118 R)
• M8: 4,454,576 km (0.053 R)
• M9: 4,846,821 km (0.111 R)
• M10: 5,552,325 km (0.069 R)
• M11: 6,625,690 km (0.105 R)
• M12: 8,604,122 km (0.077 R)
• M13: 9,146,115 km (0.104 R)
• M14: 12,205,391 km (0.104 R)
• M15: 13,736,974 km (0.089 R)
• M16: 14,954,850 km (0.101 R)
• M17: 16,141,909 km (0.099 R)
• M18: 17,712,537 km (0.11 R)
• M19: 19,040,667 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.7

Radius: 8.2

Gravity: 13.83 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.65 AU - 3.25 AU

Year: 3437 Days

Day: 12.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 50,375,247 km

• M1: 102,175 km (0.065 R)
• M2: 492,775 km (0.041 R)
• M3: 788,381 km (0.067 R)
• M4: 1,311,973 km (0.046 R)
• M5: 2,372,024 km (0.081 R)
• M6: 2,743,475 km (0.073 R)
• M7: 3,006,319 km (0.076 R)
• M8: 3,305,215 km (0.119 R)
• M9: 3,603,364 km (0.061 R)
• M10: 4,208,637 km (0.042 R)
• M11: 4,804,635 km (0.113 R)
• M12: 5,241,311 km (0.117 R)
• M13: 5,788,540 km (0.119 R)
• M14: 6,283,111 km (0.035 R)
• M15: 7,257,442 km (0.086 R)
• M16: 8,329,161 km (0.1 R)
• M17: 8,771,073 km (0.088 R)
• M18: 9,582,043 km (0.051 R)
• M19: 11,804,618 km (0.104 R)
• M20: 12,081,374 km (0.063 R)
• M21: 12,647,902 km (0.073 R)
• M22: 13,035,510 km (0.12 R)
• M23: 13,987,551 km (0.118 R)
• M24: 14,245,607 km (0.118 R)
• M25: 14,931,663 km (0.086 R)
• M26: 15,584,209 km (0.086 R)
• M27: 16,255,604 km (0.095 R)
• M28: 17,180,567 km (0.075 R)
• M29: 19,008,953 km (0.036 R)
• M30: 20,963,449 km (0.075 R)
• M31: 21,850,564 km (0.084 R)
• M32: 24,363,210 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.1

Radius: 10.9

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.71 AU - 4.05 AU

Year: 4215 Days

Day: 8.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,375,247 km

• M1: 135,835 km (0.084 R)
• M2: 987,196 km (0.094 R)
• M3: 2,321,909 km (0.101 R)
• M4: 2,928,678 km (0.103 R)
• M5: 4,145,507 km (0.115 R)
• M6: 4,567,373 km (0.113 R)
• M7: 5,572,221 km (0.082 R)
• M8: 6,919,051 km (0.081 R)
• M9: 7,423,196 km (0.12 R)
• M10: 8,144,108 km (0.111 R)
• M11: 13,441,369 km (0.115 R)
• M12: 15,141,997 km (0.079 R)
• M13: 16,095,235 km (0.074 R)
• M14: 16,823,029 km (0.112 R)
• M15: 17,248,634 km (0.079 R)
• M16: 18,010,686 km (0.094 R)
• M17: 19,543,615 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 9.1

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.71 AU - 4.55 AU

Year: 5693 Days

Day: 10.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 89.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,375,247 km

• M1: 113,246 km (0.113 R)
• M2: 414,087 km (0.072 R)
• M3: 843,732 km (0.087 R)
• M4: 1,205,160 km (0.104 R)
• M5: 1,876,256 km (0.081 R)
• M6: 2,311,586 km (0.111 R)
• M7: 2,760,081 km (0.117 R)
• M8: 3,148,138 km (0.114 R)
• M9: 4,789,376 km (0.106 R)
• M10: 6,706,173 km (0.066 R)
• M11: 7,136,866 km (0.1 R)
• M12: 7,980,149 km (0.043 R)
• M13: 11,788,462 km (0.09 R)
• M14: 13,373,900 km (0.076 R)
• M15: 13,686,410 km (0.114 R)
• M16: 14,434,399 km (0.116 R)
• M17: 15,096,968 km (0.078 R)
• M18: 15,837,478 km (0.071 R)
• M19: 17,206,597 km (0.085 R)
• M20: 23,477,142 km (0.047 R)
• M21: 24,085,257 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.6

Radius: 5.8

Gravity: 22.02 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 9.55 AU - 10.03 AU

Year: 20776 Days

Day: 20.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 50,375,247 km

• M1: 72,256 km (0.039 R)
• M2: 336,894 km (0.077 R)
• M3: 620,981 km (0.061 R)
• M4: 889,958 km (0.047 R)
• M5: 1,151,006 km (0.092 R)
• M6: 1,664,875 km (0.043 R)
• M7: 1,983,817 km (0.097 R)
• M8: 2,276,431 km (0.088 R)
• M9: 2,597,468 km (0.1 R)
• M10: 4,533,264 km (0.11 R)
• M11: 6,302,857 km (0.035 R)
• M12: 6,935,956 km (0.09 R)
• M13: 10,750,701 km (0.118 R)
• M14: 11,067,250 km (0.082 R)
• M15: 11,324,858 km (0.09 R)
• M16: 13,387,065 km (0.031 R)
• M17: 15,049,546 km (0.115 R)
• M18: 20,660,513 km (0.099 R)
• M19: 33,030,761 km (0.112 R)
• M20: 35,203,221 km (0.079 R)
• M21: 61,580,767 km (0.115 R)
• M22: 61,782,425 km (0.096 R)
• M23: 63,617,392 km (0.113 R)
• M24: 66,120,015 km (0.03 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.9

Radius: 3.1

Gravity: 15.81 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.61 AU - 12.27 AU

Year: 22879 Days

Day: 22.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,375,247 km

• M1: 41,588 km (0.051 R)
• M2: 144,063 km (0.076 R)
• M3: 389,254 km (0.026 R)
• M4: 531,820 km (0.087 R)
• M5: 675,285 km (0.118 R)
• M6: 787,932 km (0.113 R)
• M7: 1,051,523 km (0.051 R)
• M8: 1,466,807 km (0.119 R)
• M9: 1,582,147 km (0.082 R)
• M10: 1,880,595 km (0.102 R)
• M11: 2,290,493 km (0.112 R)
• M12: 2,588,193 km (0.054 R)
• M13: 3,308,656 km (0.11 R)
• M14: 3,584,515 km (0.029 R)
• M15: 4,153,435 km (0.093 R)
• M16: 4,297,199 km (0.105 R)
• M17: 6,994,448 km (0.108 R)
• M18: 10,857,065 km (0.113 R)
• M19: 12,988,087 km (0.099 R)
• M20: 14,510,096 km (0.052 R)
• M21: 15,588,397 km (0.115 R)
• M22: 17,303,986 km (0.062 R)
• M23: 17,902,826 km (0.117 R)
• M24: 20,189,130 km (0.096 R)
• M25: 23,288,499 km (0.075 R)
• M26: 25,714,378 km (0.05 R)
• M27: 27,894,318 km (0.069 R)
• M28: 28,098,370 km (0.033 R)
• M29: 31,390,121 km (0.1 R)
• M30: 38,347,170 km (0.071 R)
• M31: 41,051,900 km (0.044 R)
• M32: 43,880,945 km (0.097 R)
• M33: 47,851,422 km (0.073 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: 401 - 18,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit