🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.3

Radius: 10.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.71 AU - 0.77 AU

Year: 432 Days

Day: 11.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,530,440 km

• M1: 134,339 km (0.075 R)
• M2: 531,521 km (0.062 R)
• M3: 961,017 km (0.113 R)
• M4: 1,449,903 km (0.079 R)
• M5: 1,785,899 km (0.118 R)
• M6: 2,227,213 km (0.103 R)
• M7: 2,680,046 km (0.094 R)
• M8: 3,031,152 km (0.089 R)
• M9: 3,382,707 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.8

Radius: 11.9

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.4 AU - 3.36 AU

Year: 3315 Days

Day: 14.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,530,440 km

• M1: 147,952 km (0.101 R)
• M2: 557,102 km (0.093 R)
• M3: 964,158 km (0.102 R)
• M4: 1,428,510 km (0.083 R)
• M5: 3,195,560 km (0.114 R)
• M6: 3,969,131 km (0.032 R)
• M7: 4,343,574 km (0.106 R)
• M8: 4,717,718 km (0.04 R)
• M9: 5,088,123 km (0.08 R)
• M10: 6,955,852 km (0.059 R)
• M11: 7,371,884 km (0.104 R)
• M12: 7,804,521 km (0.082 R)
• M13: 9,629,316 km (0.094 R)
• M14: 10,433,554 km (0.096 R)
• M15: 10,852,129 km (0.064 R)
• M16: 11,457,103 km (0.079 R)
• M17: 15,733,657 km (0.08 R)
• M18: 16,509,172 km (0.094 R)
• M19: 18,742,668 km (0.11 R)
• M20: 20,643,010 km (0.111 R)
• M21: 21,104,370 km (0.115 R)
• M22: 22,529,589 km (0.109 R)
• M23: 23,018,624 km (0.079 R)
• M24: 24,823,523 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.9

Radius: 13.4

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.33 AU - 3.91 AU

Year: 4671 Days

Day: 6.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,530,440 km

• M1: 170,392 km (0.112 R)
• M2: 716,275 km (0.114 R)
• M3: 1,216,530 km (0.074 R)
• M4: 3,197,505 km (0.057 R)
• M5: 3,657,369 km (0.098 R)
• M6: 5,447,906 km (0.082 R)
• M7: 6,048,990 km (0.045 R)
• M8: 6,789,948 km (0.087 R)
• M9: 9,745,104 km (0.118 R)
• M10: 12,232,767 km (0.114 R)
• M11: 13,882,982 km (0.094 R)
• M12: 15,173,114 km (0.09 R)
• M13: 15,847,351 km (0.115 R)
• M14: 18,177,936 km (0.112 R)
• M15: 21,280,148 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.7

Radius: 10.8

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.21 AU - 4.21 AU

Year: 4847 Days

Day: 14.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,530,440 km

• M1: 134,788 km (0.098 R)
• M2: 597,045 km (0.116 R)
• M3: 996,322 km (0.117 R)
• M4: 1,554,172 km (0.11 R)
• M5: 1,926,073 km (0.085 R)
• M6: 2,889,632 km (0.101 R)
• M7: 3,320,026 km (0.084 R)
• M8: 3,771,512 km (0.066 R)
• M9: 5,108,917 km (0.116 R)
• M10: 8,504,190 km (0.118 R)
• M11: 9,234,377 km (0.067 R)
• M12: 10,688,469 km (0.072 R)
• M13: 11,175,410 km (0.082 R)
• M14: 15,010,202 km (0.077 R)
• M15: 16,423,453 km (0.077 R)
• M16: 17,012,868 km (0.064 R)
• M17: 18,674,901 km (0.089 R)
• M18: 20,781,837 km (0.087 R)
• M19: 22,462,719 km (0.118 R)
• M20: 24,006,419 km (0.098 R)
• M21: 26,093,309 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 685.4

Radius: 3.8

Gravity: 47.47 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.73 AU - 6.13 AU

Year: 9794 Days

Day: 17.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 57,530,440 km

• M1: 47,423 km (0.107 R)
• M2: 226,641 km (0.097 R)
• M3: 454,179 km (0.102 R)
• M4: 1,247,646 km (0.067 R)
• M5: 1,936,694 km (0.119 R)
• M6: 3,002,728 km (0.097 R)
• M7: 3,138,863 km (0.063 R)
• M8: 3,302,822 km (0.104 R)
• M9: 3,750,568 km (0.095 R)
• M10: 3,935,322 km (0.114 R)
• M11: 4,126,059 km (0.075 R)
• M12: 4,380,375 km (0.077 R)
• M13: 4,889,008 km (0.11 R)
• M14: 5,141,529 km (0.074 R)
• M15: 5,271,081 km (0.119 R)
• M16: 7,693,669 km (0.116 R)
• M17: 8,431,785 km (0.115 R)
• M18: 9,121,132 km (0.089 R)
• M19: 14,381,442 km (0.063 R)
• M20: 14,509,797 km (0.109 R)
• M21: 14,638,900 km (0.109 R)
• M22: 14,899,499 km (0.093 R)
• M23: 16,810,762 km (0.11 R)
• M24: 17,458,221 km (0.096 R)
• M25: 19,033,337 km (0.062 R)
• M26: 19,343,753 km (0.102 R)
• M27: 26,474,186 km (0.053 R)
• M28: 26,860,896 km (0.111 R)
• M29: 31,908,627 km (0.047 R)
• M30: 32,567,008 km (0.113 R)
• M31: 33,571,557 km (0.069 R)
• M32: 36,351,086 km (0.054 R)
• M33: 38,163,913 km (0.108 R)
• M34: 39,531,088 km (0.092 R)
• M35: 40,673,567 km (0.119 R)
• M36: 46,717,919 km (0.06 R)
• M37: 47,282,501 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 485.3

Radius: 3.9

Gravity: 31.91 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 5.23 AU - 6.89 AU

Year: 10118 Days

Day: 17.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,530,440 km

• M1: 49,218 km (0.091 R)
• M2: 171,738 km (0.06 R)
• M3: 621,130 km (0.098 R)
• M4: 962,812 km (0.079 R)
• M5: 1,380,340 km (0.111 R)
• M6: 2,280,919 km (0.106 R)
• M7: 3,013,350 km (0.057 R)
• M8: 3,235,652 km (0.113 R)
• M9: 3,492,661 km (0.078 R)
• M10: 4,746,740 km (0.093 R)
• M11: 6,308,991 km (0.08 R)
• M12: 6,973,954 km (0.098 R)
• M13: 10,152,759 km (0.094 R)
• M14: 15,058,073 km (0.038 R)
• M15: 15,445,083 km (0.101 R)
• M16: 19,156,905 km (0.083 R)
• M17: 20,228,175 km (0.102 R)
• M18: 21,097,339 km (0.1 R)
• M19: 24,203,739 km (0.07 R)
• M20: 27,030,390 km (0.081 R)
• M21: 38,705,906 km (0.05 R)
• M22: 39,309,982 km (0.104 R)
• M23: 41,159,610 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 706.3

Radius: 7.9

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.4 AU - 7.3 AU

Year: 10853 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 57,530,440 km

• M1: 98,286 km (0.08 R)
• M2: 353,500 km (0.12 R)
• M3: 687,402 km (0.081 R)
• M4: 1,476,381 km (0.059 R)
• M5: 2,017,178 km (0.069 R)
• M6: 2,479,734 km (0.12 R)
• M7: 3,720,050 km (0.038 R)
• M8: 4,357,936 km (0.065 R)
• M9: 4,687,799 km (0.07 R)
• M10: 5,397,641 km (0.102 R)
• M11: 5,813,972 km (0.077 R)
• M12: 7,611,540 km (0.105 R)
• M13: 10,475,142 km (0.102 R)
• M14: 11,457,551 km (0.09 R)
• M15: 12,145,702 km (0.076 R)
• M16: 14,051,279 km (0.09 R)
• M17: 14,973,849 km (0.096 R)
• M18: 19,791,948 km (0.108 R)
• M19: 25,168,795 km (0.085 R)
• M20: 26,428,558 km (0.099 R)
• M21: 30,785,596 km (0.067 R)
• M22: 31,444,724 km (0.11 R)
• M23: 32,564,165 km (0.086 R)
• M24: 35,239,274 km (0.077 R)
• M25: 38,562,442 km (0.106 R)
• M26: 43,036,914 km (0.09 R)
• M27: 47,407,565 km (0.114 R)
• M28: 47,845,588 km (0.101 R)
• M29: 50,530,720 km (0.039 R)
• M30: 51,140,780 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.2

Radius: 4.1

Gravity: 21.73 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.72 AU - 11.08 AU

Year: 18008 Days

Day: 17.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,530,440 km

• M1: 51,013 km (0.069 R)
• M2: 222,602 km (0.039 R)
• M3: 375,191 km (0.116 R)
• M4: 1,207,704 km (0.098 R)
• M5: 1,618,499 km (0.057 R)
• M6: 2,755,144 km (0.097 R)
• M7: 3,434,468 km (0.1 R)
• M8: 4,279,247 km (0.104 R)
• M9: 4,557,499 km (0.115 R)
• M10: 5,429,655 km (0.091 R)
• M11: 5,573,119 km (0.074 R)
• M12: 6,018,622 km (0.12 R)
• M13: 9,001,753 km (0.108 R)
• M14: 9,152,248 km (0.08 R)
• M15: 10,308,340 km (0.085 R)
• M16: 10,639,849 km (0.053 R)
• M17: 13,097,742 km (0.096 R)
• M18: 18,364,635 km (0.069 R)
• M19: 19,430,370 km (0.1 R)
• M20: 19,851,039 km (0.059 R)
• M21: 21,955,133 km (0.076 R)
• M22: 25,885,368 km (0.092 R)
• M23: 26,190,099 km (0.11 R)
• M24: 32,209,319 km (0.105 R)
• M25: 33,514,561 km (0.059 R)
• M26: 35,350,575 km (0.062 R)
• M27: 40,846,053 km (0.071 R)
• M28: 41,813,951 km (0.054 R)
• M29: 42,093,400 km (0.088 R)
• M30: 49,177,009 km (0.067 R)
• M31: 51,223,657 km (0.056 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: 285 - 12,861 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit