🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 9.9

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.4 AU - 0.62 AU

Year: 243 Days

Day: 6 Hours

Environment

Temp: -137 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,399,398 km

• M1: 123,119 km (0.085 R)
• M2: 450,589 km (0.103 R)
• M3: 814,411 km (0.101 R)
• M4: 1,280,558 km (0.112 R)
• M5: 1,618,799 km (0.112 R)
• M6: 2,074,025 km (0.064 R)
• M7: 2,505,016 km (0.089 R)
• M8: 3,089,196 km (0.039 R)
• M9: 3,729,325 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.1

Radius: 8.8

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.53 AU - 0.79 AU

Year: 358 Days

Day: 10.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,399,398 km

• M1: 109,506 km (0.037 R)
• M2: 446,101 km (0.108 R)
• M3: 890,257 km (0.077 R)
• M4: 1,205,310 km (0.057 R)
• M5: 1,569,282 km (0.072 R)
• M6: 1,900,641 km (0.094 R)
• M7: 2,287,351 km (0.111 R)
• M8: 2,706,824 km (0.109 R)
• M9: 3,965,540 km (0.107 R)
• M10: 4,682,862 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.4

Radius: 13.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.03 AU - 1.11 AU

Year: 738 Days

Day: 15 Hours

Environment

Temp: -171 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,399,398 km

• M1: 166,652 km (0.12 R)
• M2: 656,435 km (0.102 R)
• M3: 1,098,946 km (0.119 R)
• M4: 1,601,146 km (0.049 R)
• M5: 2,257,432 km (0.046 R)
• M6: 2,817,227 km (0.114 R)
• M7: 4,114,689 km (0.116 R)
• M8: 4,658,777 km (0.056 R)
• M9: 5,854,213 km (0.113 R)
• M10: 6,899,304 km (0.115 R)
• M11: 7,762,035 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.4

Radius: 10.9

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.3 AU - 1.58 AU

Year: 1152 Days

Day: 8.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,399,398 km

• M1: 135,685 km (0.031 R)
• M2: 1,029,682 km (0.038 R)
• M3: 1,897,051 km (0.096 R)
• M4: 2,450,712 km (0.053 R)
• M5: 3,324,364 km (0.079 R)
• M6: 4,178,418 km (0.081 R)
• M7: 4,584,427 km (0.057 R)
• M8: 5,068,525 km (0.119 R)
• M9: 5,458,228 km (0.096 R)
• M10: 6,897,509 km (0.112 R)
• M11: 7,534,497 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.4

Radius: 12.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.42 AU - 1.72 AU

Year: 1312 Days

Day: 11.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 89,399,398 km

• M1: 157,975 km (0.113 R)
• M2: 1,018,761 km (0.118 R)
• M3: 1,422,526 km (0.1 R)
• M4: 1,847,982 km (0.068 R)
• M5: 2,485,718 km (0.12 R)
• M6: 2,916,859 km (0.058 R)
• M7: 3,318,829 km (0.046 R)
• M8: 4,189,488 km (0.057 R)
• M9: 4,822,437 km (0.045 R)
• M10: 5,352,013 km (0.1 R)
• M11: 6,869,684 km (0.097 R)
• M12: 7,495,751 km (0.103 R)
• M13: 8,013,958 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.5

Radius: 10.1

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.45 AU - 2.95 AU

Year: 2959 Days

Day: 6.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,399,398 km

• M1: 125,662 km (0.116 R)
• M2: 482,154 km (0.082 R)
• M3: 1,025,942 km (0.076 R)
• M4: 1,536,221 km (0.069 R)
• M5: 2,210,159 km (0.111 R)
• M6: 2,671,369 km (0.077 R)
• M7: 3,148,437 km (0.097 R)
• M8: 3,970,477 km (0.108 R)
• M9: 4,352,700 km (0.098 R)
• M10: 4,696,924 km (0.088 R)
• M11: 5,125,223 km (0.044 R)
• M12: 9,516,220 km (0.092 R)
• M13: 10,704,775 km (0.07 R)
• M14: 11,601,614 km (0.115 R)
• M15: 12,346,312 km (0.089 R)
• M16: 13,374,498 km (0.085 R)
• M17: 14,772,640 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.5

Radius: 9.6

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.78 AU - 3.08 AU

Year: 3344 Days

Day: 5.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,399,398 km

• M1: 119,379 km (0.092 R)
• M2: 486,043 km (0.117 R)
• M3: 815,308 km (0.086 R)
• M4: 1,233,584 km (0.078 R)
• M5: 1,652,907 km (0.077 R)
• M6: 2,621,852 km (0.1 R)
• M7: 3,322,718 km (0.118 R)
• M8: 4,121,870 km (0.066 R)
• M9: 4,946,005 km (0.07 R)
• M10: 5,794,524 km (0.096 R)
• M11: 6,767,060 km (0.108 R)
• M12: 8,459,909 km (0.076 R)
• M13: 12,707,142 km (0.076 R)
• M14: 13,173,888 km (0.089 R)
• M15: 14,744,665 km (0.114 R)
• M16: 18,372,414 km (0.102 R)
• M17: 19,456,549 km (0.097 R)
• M18: 22,555,320 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.2

Radius: 10.4

Gravity: 7.42 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.51 AU - 5.81 AU

Year: 6708 Days

Day: 14.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,399,398 km

• M1: 129,402 km (0.03 R)
• M2: 574,755 km (0.069 R)
• M3: 1,022,651 km (0.099 R)
• M4: 1,606,232 km (0.062 R)
• M5: 2,148,076 km (0.098 R)
• M6: 2,636,214 km (0.064 R)
• M7: 3,197,355 km (0.082 R)
• M8: 4,009,073 km (0.063 R)
• M9: 6,375,861 km (0.066 R)
• M10: 6,869,684 km (0.115 R)
• M11: 11,072,636 km (0.077 R)
• M12: 12,369,949 km (0.074 R)
• M13: 13,139,331 km (0.114 R)
• M14: 15,893,128 km (0.09 R)
• M15: 19,738,541 km (0.104 R)
• M16: 20,409,488 km (0.055 R)
• M17: 21,561,541 km (0.109 R)
• M18: 22,193,293 km (0.079 R)
• M19: 25,627,162 km (0.117 R)
• M20: 25,980,213 km (0.103 R)
• M21: 27,701,038 km (0.057 R)
• M22: 28,259,786 km (0.115 R)
• M23: 28,921,308 km (0.108 R)
• M24: 31,267,900 km (0.1 R)
• M25: 38,255,915 km (0.048 R)
• M26: 38,717,126 km (0.074 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.2

Radius: 8.5

Gravity: 9.35 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.64 AU - 5.8 AU

Year: 6838 Days

Day: 13.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 89,399,398 km

• M1: 106,364 km (0.1 R)
• M2: 438,023 km (0.059 R)
• M3: 703,559 km (0.042 R)
• M4: 1,702,274 km (0.092 R)
• M5: 2,099,756 km (0.104 R)
• M6: 3,144,697 km (0.081 R)
• M7: 3,865,908 km (0.091 R)
• M8: 6,082,350 km (0.119 R)
• M9: 7,051,595 km (0.117 R)
• M10: 8,001,093 km (0.115 R)
• M11: 8,281,589 km (0.042 R)
• M12: 8,777,805 km (0.089 R)
• M13: 11,766,022 km (0.063 R)
• M14: 12,181,755 km (0.047 R)
• M15: 14,409,417 km (0.1 R)
• M16: 15,806,511 km (0.115 R)
• M17: 16,699,760 km (0.114 R)
• M18: 18,586,787 km (0.112 R)
• M19: 19,080,012 km (0.111 R)
• M20: 19,365,594 km (0.103 R)
• M21: 20,537,095 km (0.11 R)
• M22: 22,619,796 km (0.048 R)
• M23: 25,958,372 km (0.036 R)
• M24: 26,663,427 km (0.107 R)
• M25: 27,381,197 km (0.12 R)
• M26: 27,836,274 km (0.12 R)
• M27: 29,043,230 km (0.061 R)
• M28: 31,860,457 km (0.119 R)
• M29: 32,161,897 km (0.034 R)
• M30: 33,906,357 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822.7

Radius: 7.4

Gravity: 15.02 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 9.8 AU - 11.54 AU

Year: 23242 Days

Day: 16.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 89,399,398 km

• M1: 94,396 km (0.095 R)
• M2: 437,574 km (0.102 R)
• M3: 704,606 km (0.092 R)
• M4: 1,504,207 km (0.026 R)
• M5: 1,791,883 km (0.109 R)
• M6: 2,073,576 km (0.074 R)
• M7: 2,408,227 km (0.092 R)
• M8: 3,073,638 km (0.035 R)
• M9: 4,615,693 km (0.089 R)
• M10: 5,228,296 km (0.12 R)
• M11: 6,755,989 km (0.108 R)
• M12: 10,030,537 km (0.086 R)
• M13: 10,793,187 km (0.103 R)
• M14: 11,457,551 km (0.109 R)
• M15: 12,148,993 km (0.108 R)
• M16: 12,505,036 km (0.115 R)
• M17: 14,390,418 km (0.053 R)
• M18: 15,277,084 km (0.04 R)
• M19: 19,286,157 km (0.095 R)
• M20: 24,618,125 km (0.101 R)
• M21: 25,303,582 km (0.062 R)
• M22: 33,564,975 km (0.038 R)
• M23: 34,691,597 km (0.053 R)
• M24: 35,988,909 km (0.067 R)
• M25: 39,141,236 km (0.092 R)
• M26: 40,389,032 km (0.029 R)
• M27: 44,459,290 km (0.097 R)
• M28: 56,698,640 km (0.064 R)
• M29: 57,893,030 km (0.095 R)
• M30: 61,786,165 km (0.082 R)
• M31: 62,839,034 km (0.092 R)
• M32: 76,661,878 km (0.104 R)
• M33: 77,146,575 km (0.071 R)
• M34: 81,600,403 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 18,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit