🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 8.9

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.66 AU - 0.96 AU

Year: 494 Days

Day: 11.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,757,211 km

• M1: 110,702 km (0.103 R)
• M2: 552,764 km (0.102 R)
• M3: 1,291,179 km (0.114 R)
• M4: 1,882,091 km (0.109 R)
• M5: 2,591,634 km (0.109 R)
• M6: 3,468,875 km (0.094 R)
• M7: 3,983,043 km (0.064 R)
• M8: 4,294,955 km (0.094 R)
• M9: 4,936,131 km (0.101 R)
• M10: 5,834,467 km (0.043 R)
• M11: 6,163,283 km (0.096 R)
• M12: 6,620,903 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80.6

Radius: 9.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.69 AU - 0.93 AU

Year: 494 Days

Day: 9.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,757,211 km

• M1: 113,694 km (0.076 R)
• M2: 459,116 km (0.064 R)
• M3: 947,254 km (0.057 R)
• M4: 1,410,708 km (0.085 R)
• M5: 1,710,652 km (0.027 R)
• M6: 2,591,035 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.4

Radius: 11.8

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.97 AU - 1.25 AU

Year: 793 Days

Day: 7.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,757,211 km

• M1: 146,756 km (0.107 R)
• M2: 963,709 km (0.061 R)
• M3: 1,523,654 km (0.081 R)
• M4: 2,108,582 km (0.115 R)
• M5: 2,502,473 km (0.034 R)
• M6: 2,970,116 km (0.085 R)
• M7: 3,788,716 km (0.076 R)
• M8: 4,174,379 km (0.025 R)
• M9: 4,602,678 km (0.119 R)
• M10: 5,166,213 km (0.103 R)
• M11: 5,891,164 km (0.092 R)
• M12: 6,411,166 km (0.08 R)
• M13: 7,589,848 km (0.092 R)
• M14: 8,353,396 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 8.1

Gravity: 14.7 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.36 AU - 1.72 AU

Year: 1296 Days

Day: 15 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,757,211 km

• M1: 100,679 km (0.025 R)
• M2: 394,190 km (0.117 R)
• M3: 676,332 km (0.107 R)
• M4: 1,272,180 km (0.101 R)
• M5: 1,611,169 km (0.08 R)
• M6: 2,227,662 km (0.094 R)
• M7: 3,036,238 km (0.036 R)
• M8: 3,340,221 km (0.116 R)
• M9: 3,631,040 km (0.084 R)
• M10: 4,045,276 km (0.116 R)
• M11: 4,319,938 km (0.108 R)
• M12: 4,587,568 km (0.059 R)
• M13: 4,947,950 km (0.095 R)
• M14: 6,263,663 km (0.118 R)
• M15: 7,015,392 km (0.105 R)
• M16: 8,341,428 km (0.088 R)
• M17: 8,940,567 km (0.084 R)
• M18: 9,376,795 km (0.037 R)
• M19: 12,877,235 km (0.099 R)
• M20: 13,433,889 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.8

Radius: 9.2

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.76 AU - 2.36 AU

Year: 2005 Days

Day: 13.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,757,211 km

• M1: 114,891 km (0.109 R)
• M2: 460,163 km (0.052 R)
• M3: 865,573 km (0.088 R)
• M4: 1,217,876 km (0.084 R)
• M5: 1,872,217 km (0.091 R)
• M6: 2,405,085 km (0.118 R)
• M7: 2,849,690 km (0.029 R)
• M8: 3,486,079 km (0.053 R)
• M9: 4,115,587 km (0.101 R)
• M10: 4,710,837 km (0.093 R)
• M11: 6,175,251 km (0.072 R)
• M12: 8,168,941 km (0.07 R)
• M13: 8,875,342 km (0.068 R)
• M14: 12,277,796 km (0.101 R)
• M15: 12,735,416 km (0.078 R)
• M16: 13,032,518 km (0.111 R)
• M17: 14,866,887 km (0.113 R)
• M18: 17,122,673 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.2

Radius: 11.9

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.87 AU - 4.23 AU

Year: 4537 Days

Day: 6.3 Hours

Environment

Temp: -216 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,757,211 km

• M1: 148,251 km (0.1 R)
• M2: 597,195 km (0.05 R)
• M3: 968,945 km (0.108 R)
• M4: 1,862,194 km (0.096 R)
• M5: 2,550,943 km (0.067 R)
• M6: 3,423,697 km (0.108 R)
• M7: 4,101,674 km (0.119 R)
• M8: 4,610,457 km (0.08 R)
• M9: 5,270,931 km (0.104 R)
• M10: 5,903,431 km (0.099 R)
• M11: 7,424,692 km (0.097 R)
• M12: 8,295,651 km (0.118 R)
• M13: 9,112,306 km (0.033 R)
• M14: 10,283,956 km (0.117 R)
• M15: 12,522,090 km (0.107 R)
• M16: 12,924,358 km (0.116 R)
• M17: 16,164,499 km (0.089 R)
• M18: 16,945,100 km (0.077 R)
• M19: 18,842,600 km (0.047 R)
• M20: 20,046,863 km (0.115 R)
• M21: 21,803,890 km (0.087 R)
• M22: 22,831,328 km (0.119 R)
• M23: 25,945,357 km (0.117 R)
• M24: 26,353,460 km (0.071 R)
• M25: 26,765,901 km (0.088 R)
• M26: 27,688,471 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377

Radius: 6.9

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 5.71 AU - 7.23 AU

Year: 11162 Days

Day: 23.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,757,211 km

• M1: 85,869 km (0.101 R)
• M2: 315,801 km (0.068 R)
• M3: 605,722 km (0.1 R)
• M4: 1,494,184 km (0.067 R)
• M5: 1,773,184 km (0.111 R)
• M6: 2,153,910 km (0.03 R)
• M7: 2,685,581 km (0.111 R)
• M8: 3,510,314 km (0.06 R)
• M9: 4,326,969 km (0.056 R)
• M10: 4,635,140 km (0.118 R)
• M11: 5,201,967 km (0.078 R)
• M12: 6,914,264 km (0.084 R)
• M13: 9,197,277 km (0.104 R)
• M14: 10,090,526 km (0.066 R)
• M15: 11,143,695 km (0.025 R)
• M16: 13,116,741 km (0.036 R)
• M17: 13,408,008 km (0.112 R)
• M18: 13,644,074 km (0.101 R)
• M19: 14,741,225 km (0.086 R)
• M20: 16,094,188 km (0.027 R)
• M21: 17,040,993 km (0.065 R)
• M22: 19,493,949 km (0.118 R)
• M23: 21,360,930 km (0.049 R)
• M24: 22,090,818 km (0.105 R)
• M25: 23,514,541 km (0.071 R)
• M26: 23,858,168 km (0.063 R)
• M27: 29,424,106 km (0.102 R)
• M28: 31,768,753 km (0.097 R)
• M29: 32,294,440 km (0.06 R)
• M30: 33,906,357 km (0.102 R)
• M31: 39,787,648 km (0.118 R)
• M32: 40,275,786 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 166.7

Radius: 4.9

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.32 AU - 12.88 AU

Year: 23407 Days

Day: 18.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,757,211 km

• M1: 61,036 km (0.099 R)
• M2: 914,342 km (0.026 R)
• M3: 1,332,917 km (0.088 R)
• M4: 2,862,106 km (0.038 R)
• M5: 4,799,100 km (0.106 R)
• M6: 6,413,710 km (0.059 R)
• M7: 7,513,254 km (0.069 R)
• M8: 8,685,652 km (0.04 R)
• M9: 16,630,346 km (0.094 R)
• M10: 25,454,826 km (0.055 R)
• M11: 30,410,255 km (0.065 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: 357 - 14,647 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit