🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870

Radius: 10

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.2 AU - 1.3 AU

Year: 948 Days

Day: 8.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,899,207 km

• M1: 124,316 km (0.082 R)
• M2: 445,203 km (0.104 R)
• M3: 822,489 km (0.117 R)
• M4: 1,162,675 km (0.057 R)
• M5: 1,489,995 km (0.098 R)
• M6: 1,889,421 km (0.041 R)
• M7: 2,292,887 km (0.067 R)
• M8: 2,716,099 km (0.114 R)
• M9: 3,674,572 km (0.106 R)
• M10: 4,089,258 km (0.068 R)
• M11: 4,552,862 km (0.041 R)
• M12: 5,565,490 km (0.118 R)
• M13: 5,962,971 km (0.077 R)
• M14: 6,909,178 km (0.11 R)
• M15: 7,294,991 km (0.073 R)
• M16: 7,874,832 km (0.115 R)
• M17: 8,430,738 km (0.098 R)
• M18: 9,270,131 km (0.091 R)
• M19: 9,680,329 km (0.12 R)
• M20: 10,318,663 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.3

Radius: 10.7

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.16 AU - 1.74 AU

Year: 1184 Days

Day: 12.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,899,207 km

• M1: 133,142 km (0.12 R)
• M2: 486,343 km (0.079 R)
• M3: 867,368 km (0.116 R)
• M4: 1,226,104 km (0.06 R)
• M5: 1,588,729 km (0.113 R)
• M6: 2,086,292 km (0.089 R)
• M7: 2,478,089 km (0.111 R)
• M8: 2,932,417 km (0.097 R)
• M9: 3,532,455 km (0.118 R)
• M10: 4,316,796 km (0.107 R)
• M11: 4,694,680 km (0.05 R)
• M12: 5,833,719 km (0.086 R)
• M13: 7,601,666 km (0.098 R)
• M14: 8,538,747 km (0.096 R)
• M15: 9,107,668 km (0.11 R)
• M16: 9,793,275 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 11.6

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.79 AU - 1.85 AU

Year: 1665 Days

Day: 5.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,899,207 km

• M1: 144,362 km (0.097 R)
• M2: 554,410 km (0.119 R)
• M3: 1,170,005 km (0.109 R)
• M4: 1,579,155 km (0.117 R)
• M5: 2,061,907 km (0.103 R)
• M6: 2,510,252 km (0.103 R)
• M7: 2,979,541 km (0.116 R)
• M8: 3,441,798 km (0.08 R)
• M9: 5,039,354 km (0.08 R)
• M10: 5,699,080 km (0.069 R)
• M11: 6,490,304 km (0.074 R)
• M12: 7,408,087 km (0.114 R)
• M13: 8,440,162 km (0.115 R)
• M14: 8,990,982 km (0.108 R)
• M15: 10,232,943 km (0.089 R)
• M16: 11,110,185 km (0.106 R)
• M17: 12,934,381 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.5

Radius: 9.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.78 AU - 2.36 AU

Year: 2020 Days

Day: 10.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 68,899,207 km

• M1: 119,529 km (0.066 R)
• M2: 457,620 km (0.095 R)
• M3: 1,031,029 km (0.117 R)
• M4: 1,354,758 km (0.025 R)
• M5: 1,721,572 km (0.103 R)
• M6: 2,105,440 km (0.111 R)
• M7: 3,390,187 km (0.099 R)
• M8: 3,877,128 km (0.1 R)
• M9: 4,443,057 km (0.086 R)
• M10: 5,488,746 km (0.107 R)
• M11: 5,858,253 km (0.082 R)
• M12: 6,734,447 km (0.073 R)
• M13: 7,576,534 km (0.079 R)
• M14: 8,487,136 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.6

Radius: 12.6

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.7 AU - 3.16 AU

Year: 3402 Days

Day: 7.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,899,207 km

• M1: 157,975 km (0.117 R)
• M2: 1,445,415 km (0.079 R)
• M3: 1,991,746 km (0.07 R)
• M4: 2,592,681 km (0.102 R)
• M5: 3,162,050 km (0.089 R)
• M6: 4,601,481 km (0.117 R)
• M7: 5,307,433 km (0.1 R)
• M8: 7,291,400 km (0.06 R)
• M9: 8,359,828 km (0.047 R)
• M10: 9,530,132 km (0.105 R)
• M11: 10,093,219 km (0.061 R)
• M12: 12,194,171 km (0.108 R)
• M13: 15,320,468 km (0.104 R)
• M14: 15,981,989 km (0.078 R)
• M15: 17,659,729 km (0.095 R)
• M16: 22,049,679 km (0.081 R)
• M17: 22,609,773 km (0.083 R)
• M18: 23,758,535 km (0.056 R)
• M19: 24,645,352 km (0.082 R)
• M20: 25,707,646 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.5

Radius: 10.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.16 AU - 6.7 AU

Year: 8582 Days

Day: 9.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 68,899,207 km

• M1: 131,796 km (0.112 R)
• M2: 890,257 km (0.051 R)
• M3: 9,171,397 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.2

Radius: 4.3

Gravity: 34.57 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.97 AU - 12.31 AU

Year: 23540 Days

Day: 22.5 Hours

Environment

Temp: -245 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 68,899,207 km

• M1: 53,556 km (0.098 R)
• M2: 189,541 km (0.108 R)
• M3: 595,100 km (0.073 R)
• M4: 767,138 km (0.099 R)
• M5: 923,468 km (0.09 R)
• M6: 1,795,025 km (0.067 R)
• M7: 2,115,763 km (0.096 R)
• M8: 2,290,044 km (0.113 R)
• M9: 2,426,926 km (0.094 R)
• M10: 4,114,540 km (0.094 R)
• M11: 4,743,748 km (0.07 R)
• M12: 5,804,248 km (0.103 R)
• M13: 6,367,484 km (0.106 R)
• M14: 6,778,130 km (0.069 R)
• M15: 9,043,490 km (0.073 R)
• M16: 9,679,880 km (0.092 R)
• M17: 9,918,488 km (0.068 R)
• M18: 13,536,363 km (0.094 R)
• M19: 13,910,208 km (0.066 R)
• M20: 15,883,105 km (0.101 R)
• M21: 16,467,285 km (0.05 R)
• M22: 17,945,461 km (0.119 R)
• M23: 18,579,008 km (0.05 R)
• M24: 20,082,916 km (0.028 R)
• M25: 25,302,834 km (0.106 R)
• M26: 31,099,752 km (0.087 R)
• M27: 33,892,295 km (0.1 R)
• M28: 34,719,871 km (0.08 R)
• M29: 37,575,694 km (0.117 R)
• M30: 40,738,642 km (0.08 R)
• M31: 41,673,778 km (0.105 R)
• M32: 45,725,038 km (0.099 R)
• M33: 47,074,860 km (0.119 R)
• M34: 51,283,347 km (0.032 R)
• M35: 51,644,925 km (0.053 R)
• M36: 52,556,425 km (0.12 R)
• M37: 56,501,919 km (0.071 R)
• M38: 56,694,601 km (0.037 R)
• M39: 58,251,616 km (0.055 R)
• M40: 59,438,076 km (0.077 R)
• M41: 62,063,519 km (0.086 R)
• M42: 67,544,336 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354

Radius: 7

Gravity: 7.22 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.71 AU - 11.83 AU

Year: 23973 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,899,207 km

• M1: 87,216 km (0.053 R)
• M2: 733,478 km (0.096 R)
• M3: 968,796 km (0.099 R)
• M4: 1,456,634 km (0.077 R)
• M5: 1,871,619 km (0.109 R)
• M6: 2,888,286 km (0.044 R)
• M7: 3,629,394 km (0.06 R)
• M8: 4,692,137 km (0.115 R)
• M9: 5,040,999 km (0.095 R)
• M10: 5,369,516 km (0.111 R)
• M11: 7,555,291 km (0.103 R)
• M12: 8,232,371 km (0.114 R)
• M13: 9,486,151 km (0.088 R)
• M14: 9,987,603 km (0.102 R)
• M15: 12,366,807 km (0.093 R)
• M16: 12,696,970 km (0.061 R)
• M17: 15,174,610 km (0.116 R)
• M18: 15,476,797 km (0.044 R)
• M19: 16,250,069 km (0.084 R)
• M20: 17,211,534 km (0.08 R)
• M21: 18,810,735 km (0.105 R)
• M22: 19,159,598 km (0.092 R)
• M23: 20,232,214 km (0.055 R)
• M24: 21,819,448 km (0.055 R)
• M25: 22,692,501 km (0.044 R)
• M26: 26,527,442 km (0.056 R)
• M27: 27,745,917 km (0.091 R)
• M28: 35,983,673 km (0.11 R)
• M29: 39,861,101 km (0.116 R)
• M30: 40,148,329 km (0.095 R)
• M31: 43,096,454 km (0.082 R)
• M32: 47,946,417 km (0.083 R)
• M33: 55,794,471 km (0.107 R)
• M34: 58,158,267 km (0.1 R)
• M35: 64,062,745 km (0.118 R)
• M36: 68,076,755 km (0.109 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 273 - 18,936 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit