🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.2

Radius: 13.2

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.53 AU - 0.67 AU

Year: 310 Days

Day: 11.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,627,611 km

• M1: 164,258 km (0.064 R)
• M2: 737,218 km (0.078 R)
• M3: 1,809,985 km (0.111 R)
• M4: 2,325,648 km (0.092 R)
• M5: 2,748,113 km (0.109 R)
• M6: 3,844,665 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 8.6

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.54 AU - 0.82 AU

Year: 374 Days

Day: 15 Hours

Environment

Temp: -164 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,627,611 km

• M1: 107,112 km (0.096 R)
• M2: 378,782 km (0.07 R)
• M3: 669,450 km (0.108 R)
• M4: 1,177,036 km (0.06 R)
• M5: 1,451,099 km (0.116 R)
• M6: 1,972,448 km (0.054 R)
• M7: 2,299,918 km (0.029 R)
• M8: 2,724,626 km (0.101 R)
• M9: 2,999,437 km (0.063 R)
• M10: 3,281,429 km (0.105 R)
• M11: 3,680,856 km (0.119 R)
• M12: 4,490,330 km (0.112 R)
• M13: 4,891,252 km (0.108 R)
• M14: 5,462,865 km (0.108 R)
• M15: 5,782,107 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.1

Radius: 8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.71 AU - 2.17 AU

Year: 1802 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 87,627,611 km

• M1: 99,632 km (0.055 R)
• M2: 373,247 km (0.113 R)
• M3: 649,554 km (0.102 R)
• M4: 1,275,920 km (0.098 R)
• M5: 1,579,305 km (0.109 R)
• M6: 1,891,515 km (0.109 R)
• M7: 2,402,841 km (0.037 R)
• M8: 2,989,863 km (0.094 R)
• M9: 3,267,068 km (0.1 R)
• M10: 3,762,536 km (0.061 R)
• M11: 4,393,839 km (0.106 R)
• M12: 4,772,022 km (0.093 R)
• M13: 5,270,183 km (0.053 R)
• M14: 5,552,624 km (0.09 R)
• M15: 6,213,996 km (0.119 R)
• M16: 7,266,118 km (0.104 R)
• M17: 7,540,331 km (0.085 R)
• M18: 7,795,844 km (0.029 R)
• M19: 8,083,371 km (0.103 R)
• M20: 8,679,968 km (0.042 R)
• M21: 9,839,202 km (0.105 R)
• M22: 10,582,553 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235

Radius: 12.8

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.22 AU - 2.6 AU

Year: 2495 Days

Day: 9.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,627,611 km

• M1: 159,172 km (0.102 R)
• M2: 593,754 km (0.084 R)
• M3: 1,139,637 km (0.068 R)
• M4: 1,676,843 km (0.065 R)
• M5: 2,405,384 km (0.05 R)
• M6: 2,940,795 km (0.078 R)
• M7: 4,128,602 km (0.093 R)
• M8: 4,685,256 km (0.115 R)
• M9: 5,904,179 km (0.066 R)
• M10: 6,490,752 km (0.061 R)
• M11: 8,143,061 km (0.037 R)
• M12: 8,604,122 km (0.068 R)
• M13: 9,962,769 km (0.112 R)
• M14: 10,524,509 km (0.076 R)
• M15: 11,317,977 km (0.106 R)
• M16: 11,966,483 km (0.06 R)
• M17: 13,063,185 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.5

Radius: 11

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.2 AU - 5.84 AU

Year: 7500 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,627,611 km

• M1: 137,032 km (0.089 R)
• M2: 850,015 km (0.115 R)
• M3: 1,311,076 km (0.108 R)
• M4: 2,126,534 km (0.065 R)
• M5: 3,122,108 km (0.097 R)
• M6: 3,909,292 km (0.103 R)
• M7: 5,209,596 km (0.052 R)
• M8: 6,742,526 km (0.097 R)
• M9: 7,612,886 km (0.1 R)
• M10: 9,949,904 km (0.097 R)
• M11: 11,698,404 km (0.072 R)
• M12: 14,116,504 km (0.076 R)
• M13: 17,121,028 km (0.062 R)
• M14: 19,027,503 km (0.05 R)
• M15: 20,915,129 km (0.08 R)
• M16: 23,848,444 km (0.081 R)
• M17: 28,553,895 km (0.113 R)
• M18: 31,327,739 km (0.091 R)
• M19: 32,152,173 km (0.11 R)
• M20: 33,309,163 km (0.101 R)
• M21: 35,817,919 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361.7

Radius: 6.8

Gravity: 7.82 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.69 AU - 7.21 AU

Year: 9678 Days

Day: 15.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 87,627,611 km

• M1: 84,672 km (0.049 R)
• M2: 316,399 km (0.068 R)
• M3: 654,491 km (0.106 R)
• M4: 1,105,827 km (0.066 R)
• M5: 1,443,769 km (0.108 R)
• M6: 1,762,413 km (0.116 R)
• M7: 2,226,166 km (0.091 R)
• M8: 2,615,719 km (0.046 R)
• M9: 3,029,207 km (0.075 R)
• M10: 3,440,003 km (0.105 R)
• M11: 4,138,027 km (0.069 R)
• M12: 4,897,984 km (0.084 R)
• M13: 5,311,173 km (0.098 R)
• M14: 7,089,144 km (0.103 R)
• M15: 7,773,853 km (0.077 R)
• M16: 8,585,422 km (0.099 R)
• M17: 9,318,601 km (0.113 R)
• M18: 11,157,308 km (0.104 R)
• M19: 12,135,379 km (0.077 R)
• M20: 12,891,746 km (0.059 R)
• M21: 15,163,988 km (0.088 R)
• M22: 18,171,803 km (0.092 R)
• M23: 19,522,522 km (0.111 R)
• M24: 21,322,633 km (0.079 R)
• M25: 22,743,364 km (0.099 R)
• M26: 23,148,924 km (0.042 R)
• M27: 25,422,812 km (0.044 R)
• M28: 25,947,601 km (0.115 R)
• M29: 34,497,718 km (0.077 R)
• M30: 37,006,773 km (0.086 R)
• M31: 37,907,352 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.2

Radius: 7.9

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.19 AU - 9.59 AU

Year: 17676 Days

Day: 21.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,627,611 km

• M1: 104,419 km (0.087 R)
• M2: 370,853 km (0.029 R)
• M3: 818,899 km (0.065 R)
• M4: 1,238,222 km (0.072 R)
• M5: 1,989,951 km (0.032 R)
• M6: 2,465,971 km (0.107 R)
• M7: 3,190,623 km (0.116 R)
• M8: 3,616,529 km (0.11 R)
• M9: 5,941,130 km (0.071 R)
• M10: 7,367,994 km (0.088 R)
• M11: 7,828,008 km (0.093 R)
• M12: 8,907,356 km (0.115 R)
• M13: 10,027,246 km (0.063 R)
• M14: 10,765,960 km (0.061 R)
• M15: 12,803,783 km (0.098 R)
• M16: 13,947,907 km (0.096 R)
• M17: 14,940,190 km (0.04 R)
• M18: 16,593,396 km (0.065 R)
• M19: 17,303,687 km (0.118 R)
• M20: 21,253,519 km (0.097 R)
• M21: 22,470,199 km (0.099 R)
• M22: 24,330,897 km (0.091 R)
• M23: 26,398,040 km (0.095 R)
• M24: 29,143,012 km (0.117 R)
• M25: 31,591,330 km (0.101 R)
• M26: 35,840,658 km (0.073 R)
• M27: 36,628,141 km (0.073 R)
• M28: 39,336,311 km (0.105 R)
• M29: 42,175,230 km (0.06 R)
• M30: 42,466,348 km (0.082 R)
• M31: 44,241,775 km (0.093 R)
• M32: 47,466,806 km (0.096 R)
• M33: 56,649,273 km (0.085 R)
• M34: 60,077,607 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 924.4

Radius: 4.9

Gravity: 38.5 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.86 AU - 11.26 AU

Year: 21278 Days

Day: 23.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 56.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 87,627,611 km

• M1: 63,280 km (0.094 R)
• M2: 368,460 km (0.091 R)
• M3: 750,981 km (0.084 R)
• M4: 1,032,076 km (0.101 R)
• M5: 1,271,432 km (0.049 R)
• M6: 1,599,949 km (0.099 R)
• M7: 4,319,040 km (0.1 R)
• M8: 4,532,516 km (0.091 R)
• M9: 6,364,941 km (0.055 R)
• M10: 8,147,250 km (0.078 R)
• M11: 9,386,518 km (0.097 R)
• M12: 9,684,667 km (0.097 R)
• M13: 10,681,737 km (0.106 R)
• M14: 11,676,712 km (0.091 R)
• M15: 11,952,271 km (0.111 R)
• M16: 12,373,539 km (0.066 R)
• M17: 12,877,534 km (0.105 R)
• M18: 14,789,395 km (0.098 R)
• M19: 15,854,682 km (0.055 R)
• M20: 17,412,743 km (0.096 R)
• M21: 18,599,503 km (0.12 R)
• M22: 19,936,908 km (0.085 R)
• M23: 21,748,838 km (0.089 R)
• M24: 22,165,917 km (0.081 R)
• M25: 24,894,282 km (0.03 R)
• M26: 27,960,740 km (0.099 R)
• M27: 28,827,360 km (0.069 R)
• M28: 30,614,157 km (0.078 R)
• M29: 33,430,636 km (0.041 R)
• M30: 36,855,530 km (0.12 R)
• M31: 43,071,022 km (0.072 R)
• M32: 44,727,220 km (0.07 R)
• M33: 55,758,268 km (0.062 R)
• M34: 59,532,024 km (0.047 R)
• M35: 69,365,840 km (0.113 R)
• M36: 70,495,753 km (0.061 R)
• M37: 71,867,864 km (0.106 R)
• M38: 76,330,070 km (0.071 R)
• M39: 81,222,967 km (0.088 R)
• M40: 85,284,549 km (0.097 R)
• M41: 85,542,755 km (0.065 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 14,947 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit