🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.2

Radius: 15

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.55 AU - 0.71 AU

Year: 333 Days

Day: 14.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 66,173,120 km

• M1: 186,549 km (0.107 R)
• M2: 782,546 km (0.091 R)
• M3: 1,518,269 km (0.108 R)
• M4: 2,061,309 km (0.119 R)
• M5: 2,555,580 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 9.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.7 AU - 0.94 AU

Year: 495 Days

Day: 9.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,173,120 km

• M1: 120,725 km (0.064 R)
• M2: 508,334 km (0.049 R)
• M3: 871,408 km (0.029 R)
• M4: 1,885,382 km (0.081 R)
• M5: 2,244,716 km (0.086 R)
• M6: 2,583,854 km (0.081 R)
• M7: 3,377,621 km (0.106 R)
• M8: 3,887,301 km (0.052 R)
• M9: 4,811,816 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.5

Radius: 14

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.66 AU - 1.08 AU

Year: 541 Days

Day: 9.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,173,120 km

• M1: 174,581 km (0.047 R)
• M2: 754,871 km (0.117 R)
• M3: 1,193,791 km (0.101 R)
• M4: 1,884,784 km (0.1 R)
• M5: 2,681,841 km (0.096 R)
• M6: 3,499,094 km (0.082 R)
• M7: 4,916,534 km (0.086 R)
• M8: 6,068,438 km (0.071 R)
• M9: 6,911,122 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.7

Radius: 8.6

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.07 AU - 1.41 AU

Year: 921 Days

Day: 14.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,173,120 km

• M1: 107,112 km (0.053 R)
• M2: 530,923 km (0.045 R)
• M3: 1,131,409 km (0.094 R)
• M4: 1,597,107 km (0.08 R)
• M5: 1,978,282 km (0.073 R)
• M6: 2,369,481 km (0.112 R)
• M7: 3,710,925 km (0.09 R)
• M8: 4,030,765 km (0.099 R)
• M9: 4,429,743 km (0.109 R)
• M10: 5,272,727 km (0.091 R)
• M11: 6,199,336 km (0.05 R)
• M12: 6,471,903 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.9

Radius: 11.2

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.96 AU - 2.28 AU

Year: 2058 Days

Day: 10.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 50 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,173,120 km

• M1: 139,276 km (0.046 R)
• M2: 568,921 km (0.045 R)
• M3: 1,041,800 km (0.039 R)
• M4: 1,554,023 km (0.043 R)
• M5: 1,934,151 km (0.113 R)
• M6: 2,309,492 km (0.06 R)
• M7: 2,674,511 km (0.077 R)
• M8: 3,227,275 km (0.117 R)
• M9: 3,667,841 km (0.081 R)
• M10: 4,692,436 km (0.101 R)
• M11: 5,524,051 km (0.061 R)
• M12: 6,104,940 km (0.115 R)
• M13: 7,095,876 km (0.116 R)
• M14: 7,813,946 km (0.071 R)
• M15: 8,190,783 km (0.053 R)
• M16: 9,015,067 km (0.075 R)
• M17: 10,410,366 km (0.075 R)
• M18: 11,258,437 km (0.11 R)
• M19: 11,862,513 km (0.059 R)
• M20: 12,701,607 km (0.105 R)
• M21: 13,400,977 km (0.068 R)
• M22: 13,942,222 km (0.039 R)
• M23: 14,451,154 km (0.103 R)
• M24: 15,116,715 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.3

Radius: 10

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 3.07 AU - 4.25 AU

Year: 4669 Days

Day: 11.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,173,120 km

• M1: 124,316 km (0.113 R)
• M2: 460,313 km (0.106 R)
• M3: 805,136 km (0.084 R)
• M4: 1,671,457 km (0.083 R)
• M5: 2,503,371 km (0.076 R)
• M6: 2,938,701 km (0.097 R)
• M7: 3,322,868 km (0.074 R)
• M8: 4,007,727 km (0.117 R)
• M9: 4,481,653 km (0.115 R)
• M10: 4,913,841 km (0.075 R)
• M11: 5,457,480 km (0.116 R)
• M12: 5,832,223 km (0.081 R)
• M13: 7,332,390 km (0.119 R)
• M14: 8,377,780 km (0.092 R)
• M15: 12,599,731 km (0.08 R)
• M16: 12,950,388 km (0.07 R)
• M17: 13,462,761 km (0.066 R)
• M18: 16,645,157 km (0.095 R)
• M19: 17,128,657 km (0.1 R)
• M20: 17,497,416 km (0.083 R)
• M21: 18,571,080 km (0.104 R)
• M22: 19,957,403 km (0.072 R)
• M23: 20,779,743 km (0.047 R)
• M24: 24,841,026 km (0.105 R)
• M25: 26,277,315 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.5

Radius: 12.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.76 AU - 6.16 AU

Year: 7366 Days

Day: 8.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,173,120 km

• M1: 151,692 km (0.087 R)
• M2: 906,713 km (0.092 R)
• M3: 2,493,049 km (0.092 R)
• M4: 3,346,056 km (0.084 R)
• M5: 3,890,442 km (0.096 R)
• M6: 4,303,632 km (0.063 R)
• M7: 4,774,715 km (0.115 R)
• M8: 5,158,284 km (0.045 R)
• M9: 5,562,348 km (0.089 R)
• M10: 6,156,850 km (0.066 R)
• M11: 7,015,243 km (0.096 R)
• M12: 7,512,506 km (0.056 R)
• M13: 8,323,775 km (0.091 R)
• M14: 8,837,943 km (0.026 R)
• M15: 10,508,802 km (0.077 R)
• M16: 10,907,181 km (0.075 R)
• M17: 12,001,040 km (0.079 R)
• M18: 12,769,973 km (0.089 R)
• M19: 17,599,591 km (0.096 R)
• M20: 18,304,945 km (0.097 R)
• M21: 19,622,005 km (0.1 R)
• M22: 27,169,367 km (0.096 R)
• M23: 28,207,127 km (0.111 R)
• M24: 30,361,785 km (0.096 R)
• M25: 31,685,427 km (0.032 R)
• M26: 37,946,098 km (0.11 R)
• M27: 40,812,393 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.3

Radius: 12

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.85 AU - 6.61 AU

Year: 9147 Days

Day: 10.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,173,120 km

• M1: 149,299 km (0.104 R)
• M2: 563,685 km (0.108 R)
• M3: 1,047,634 km (0.096 R)
• M4: 1,903,783 km (0.095 R)
• M5: 2,484,671 km (0.103 R)
• M6: 3,897,324 km (0.066 R)
• M7: 4,628,109 km (0.112 R)
• M8: 5,121,932 km (0.088 R)
• M9: 5,582,693 km (0.094 R)
• M10: 6,587,841 km (0.091 R)
• M11: 7,667,788 km (0.096 R)
• M12: 8,406,054 km (0.09 R)
• M13: 9,143,721 km (0.11 R)
• M14: 10,748,158 km (0.082 R)
• M15: 11,673,271 km (0.049 R)
• M16: 13,932,498 km (0.109 R)
• M17: 14,833,975 km (0.054 R)
• M18: 15,705,383 km (0.103 R)
• M19: 16,398,769 km (0.057 R)
• M20: 18,146,072 km (0.03 R)
• M21: 20,095,033 km (0.072 R)
• M22: 23,052,733 km (0.12 R)
• M23: 25,053,903 km (0.074 R)
• M24: 25,714,228 km (0.113 R)
• M25: 26,775,326 km (0.111 R)
• M26: 31,096,311 km (0.113 R)
• M27: 33,992,376 km (0.094 R)
• M28: 37,674,728 km (0.105 R)
• M29: 40,186,775 km (0.039 R)
• M30: 41,483,789 km (0.085 R)
• M31: 44,572,536 km (0.05 R)
• M32: 48,827,698 km (0.031 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.2

Radius: 4.3

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.19 AU - 8.07 AU

Year: 11384 Days

Day: 17.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 66,173,120 km

• M1: 53,706 km (0.043 R)
• M2: 203,004 km (0.105 R)
• M3: 433,086 km (0.093 R)
• M4: 584,778 km (0.114 R)
• M5: 1,008,589 km (0.107 R)
• M6: 1,188,405 km (0.083 R)
• M7: 1,367,325 km (0.086 R)
• M8: 1,675,795 km (0.111 R)
• M9: 2,102,448 km (0.098 R)
• M10: 2,463,279 km (0.104 R)
• M11: 2,791,496 km (0.058 R)
• M12: 3,906,449 km (0.104 R)
• M13: 4,231,974 km (0.119 R)
• M14: 4,600,434 km (0.102 R)
• M15: 4,963,209 km (0.037 R)
• M16: 5,206,455 km (0.106 R)
• M17: 7,983,440 km (0.071 R)
• M18: 13,494,775 km (0.114 R)
• M19: 15,800,527 km (0.103 R)
• M20: 16,326,812 km (0.074 R)
• M21: 18,548,640 km (0.115 R)
• M22: 18,872,220 km (0.113 R)
• M23: 21,885,271 km (0.032 R)
• M24: 26,571,125 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.4

Radius: 6.9

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 8.83 AU - 9.33 AU

Year: 18246 Days

Day: 16.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,173,120 km

• M1: 85,869 km (0.084 R)
• M2: 393,592 km (0.112 R)
• M3: 879,486 km (0.06 R)
• M4: 1,460,225 km (0.106 R)
• M5: 1,924,277 km (0.094 R)
• M6: 2,548,250 km (0.083 R)
• M7: 2,823,211 km (0.053 R)
• M8: 3,067,504 km (0.091 R)
• M9: 4,443,506 km (0.111 R)
• M10: 5,376,996 km (0.092 R)
• M11: 7,303,518 km (0.104 R)
• M12: 11,567,955 km (0.053 R)
• M13: 13,452,738 km (0.105 R)
• M14: 14,648,025 km (0.118 R)
• M15: 17,248,335 km (0.088 R)
• M16: 18,235,083 km (0.11 R)
• M17: 25,584,228 km (0.075 R)
• M18: 30,610,866 km (0.041 R)
• M19: 32,299,676 km (0.081 R)
• M20: 34,304,587 km (0.113 R)
• M21: 34,689,502 km (0.073 R)
• M22: 36,391,028 km (0.096 R)
• M23: 42,267,831 km (0.105 R)
• M24: 44,359,209 km (0.047 R)
• M25: 50,051,708 km (0.096 R)
• M26: 52,901,397 km (0.101 R)
• M27: 56,747,409 km (0.083 R)
• M28: 57,646,791 km (0.103 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 12,753 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit