🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368

Radius: 9.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.58 AU - 0.78 AU

Year: 394 Days

Day: 11.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,361,146 km

• M1: 120,576 km (0.031 R)
• M2: 570,865 km (0.107 R)
• M3: 917,035 km (0.075 R)
• M4: 1,234,631 km (0.054 R)
• M5: 1,607,878 km (0.111 R)
• M6: 2,165,280 km (0.106 R)
• M7: 2,515,937 km (0.097 R)
• M8: 2,963,384 km (0.049 R)
• M9: 3,419,658 km (0.116 R)
• M10: 3,792,156 km (0.108 R)
• M11: 4,141,916 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15

Radius: 10.2

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.6 AU - 0.78 AU

Year: 403 Days

Day: 10.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 89,361,146 km

• M1: 127,457 km (0.11 R)
• M2: 496,216 km (0.106 R)
• M3: 902,674 km (0.119 R)
• M4: 1,400,984 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 8.3

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.97 AU - 1.51 AU

Year: 971 Days

Day: 8.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,361,146 km

• M1: 103,522 km (0.111 R)
• M2: 434,133 km (0.066 R)
• M3: 866,022 km (0.109 R)
• M4: 1,191,996 km (0.067 R)
• M5: 1,537,567 km (0.072 R)
• M6: 1,836,613 km (0.044 R)
• M7: 2,174,555 km (0.082 R)
• M8: 2,450,862 km (0.06 R)
• M9: 3,074,685 km (0.059 R)
• M10: 3,597,978 km (0.114 R)
• M11: 4,010,569 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 14.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.89 AU - 2.29 AU

Year: 2124 Days

Day: 7.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,361,146 km

• M1: 184,155 km (0.055 R)
• M2: 715,527 km (0.025 R)
• M3: 1,374,655 km (0.105 R)
• M4: 1,852,470 km (0.114 R)
• M5: 2,328,341 km (0.107 R)
• M6: 3,287,114 km (0.092 R)
• M7: 4,107,359 km (0.105 R)
• M8: 5,417,388 km (0.041 R)
• M9: 5,984,364 km (0.119 R)
• M10: 8,661,118 km (0.069 R)
• M11: 11,285,065 km (0.119 R)
• M12: 15,308,649 km (0.094 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.5

Radius: 4.3

Gravity: 37.83 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.66 AU - 6.38 AU

Year: 9116 Days

Day: 18.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,361,146 km

• M1: 53,706 km (0.08 R)
• M2: 242,648 km (0.085 R)
• M3: 384,467 km (0.094 R)
• M4: 612,154 km (0.115 R)
• M5: 1,048,531 km (0.108 R)
• M6: 1,595,162 km (0.117 R)
• M7: 2,889,632 km (0.052 R)
• M8: 3,154,720 km (0.087 R)
• M9: 3,435,814 km (0.075 R)
• M10: 6,955,703 km (0.116 R)
• M11: 7,112,032 km (0.098 R)
• M12: 8,272,463 km (0.074 R)
• M13: 10,648,676 km (0.044 R)
• M14: 13,625,524 km (0.107 R)
• M15: 18,051,526 km (0.058 R)
• M16: 18,272,931 km (0.114 R)
• M17: 19,329,541 km (0.088 R)
• M18: 22,148,264 km (0.091 R)
• M19: 22,401,832 km (0.105 R)
• M20: 23,964,532 km (0.096 R)
• M21: 25,971,387 km (0.059 R)
• M22: 26,632,610 km (0.082 R)
• M23: 27,111,772 km (0.08 R)
• M24: 30,315,560 km (0.062 R)
• M25: 31,793,287 km (0.063 R)
• M26: 33,097,482 km (0.102 R)
• M27: 34,323,885 km (0.117 R)
• M28: 36,630,983 km (0.107 R)
• M29: 38,671,498 km (0.089 R)
• M30: 44,168,472 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.8

Radius: 4.7

Gravity: 30.64 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.4 AU - 8.42 AU

Year: 17144 Days

Day: 20.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,361,146 km

• M1: 58,493 km (0.066 R)
• M2: 222,901 km (0.081 R)
• M3: 968,048 km (0.119 R)
• M4: 2,214,497 km (0.075 R)
• M5: 2,513,843 km (0.08 R)
• M6: 3,897,174 km (0.1 R)
• M7: 6,284,607 km (0.098 R)
• M8: 6,494,492 km (0.071 R)
• M9: 7,381,159 km (0.096 R)
• M10: 7,757,398 km (0.114 R)
• M11: 7,950,229 km (0.067 R)
• M12: 8,753,869 km (0.048 R)
• M13: 9,391,156 km (0.073 R)
• M14: 12,316,542 km (0.116 R)
• M15: 13,047,926 km (0.091 R)
• M16: 15,491,009 km (0.11 R)
• M17: 15,874,279 km (0.053 R)
• M18: 17,969,696 km (0.108 R)
• M19: 18,563,899 km (0.045 R)
• M20: 19,083,602 km (0.069 R)
• M21: 19,881,108 km (0.088 R)
• M22: 20,242,537 km (0.076 R)
• M23: 23,898,409 km (0.059 R)
• M24: 26,857,605 km (0.11 R)
• M25: 29,580,885 km (0.096 R)
• M26: 31,251,594 km (0.081 R)
• M27: 31,740,180 km (0.113 R)
• M28: 33,618,082 km (0.062 R)
• M29: 34,779,710 km (0.076 R)
• M30: 35,701,532 km (0.056 R)
• M31: 37,731,276 km (0.079 R)
• M32: 42,614,449 km (0.105 R)
• M33: 48,715,051 km (0.043 R)
• M34: 49,371,785 km (0.108 R)
• M35: 50,871,055 km (0.097 R)
• M36: 59,569,423 km (0.108 R)
• M37: 63,387,161 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844

Radius: 6.9

Gravity: 17.73 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.17 AU - 12.25 AU

Year: 22932 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,361,146 km

• M1: 85,869 km (0.088 R)
• M2: 494,122 km (0.075 R)
• M3: 800,049 km (0.045 R)
• M4: 1,766,003 km (0.113 R)
• M5: 2,308,445 km (0.07 R)
• M6: 2,902,797 km (0.062 R)
• M7: 3,946,392 km (0.113 R)
• M8: 5,062,242 km (0.082 R)
• M9: 6,512,893 km (0.064 R)
• M10: 8,946,701 km (0.084 R)
• M11: 10,653,463 km (0.055 R)
• M12: 14,143,431 km (0.095 R)
• M13: 14,858,061 km (0.099 R)
• M14: 15,680,101 km (0.079 R)
• M15: 17,776,117 km (0.096 R)
• M16: 21,881,531 km (0.111 R)
• M17: 27,542,165 km (0.073 R)
• M18: 31,635,163 km (0.109 R)
• M19: 40,684,338 km (0.092 R)
• M20: 41,642,063 km (0.113 R)
• M21: 41,964,596 km (0.068 R)
• M22: 52,999,683 km (0.106 R)
• M23: 57,665,940 km (0.083 R)
• M24: 59,484,153 km (0.112 R)
• M25: 60,098,551 km (0.064 R)
• M26: 61,967,328 km (0.108 R)
• M27: 62,387,847 km (0.111 R)
• M28: 65,602,406 km (0.108 R)
• M29: 68,476,181 km (0.094 R)
• M30: 68,700,578 km (0.085 R)
• M31: 79,565,572 km (0.112 R)
• M32: 85,663,780 km (0.095 R)
• M33: 88,826,578 km (0.09 R)
• M34: 89,361,091 km (0.049 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 11,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit