🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.2

Radius: 9.4

Gravity: 10.64 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.73 AU - 1.01 AU

Year: 570 Days

Day: 12.8 Hours

Environment

Temp: -168 °C

Axial Tilt: 149.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,050,046 km

• M1: 116,986 km (0.108 R)
• M2: 517,160 km (0.054 R)
• M3: 971,489 km (0.118 R)
• M4: 1,375,702 km (0.094 R)
• M5: 1,673,851 km (0.091 R)
• M6: 2,272,242 km (0.084 R)
• M7: 2,912,072 km (0.057 R)
• M8: 3,384,502 km (0.068 R)
• M9: 3,850,051 km (0.034 R)
• M10: 4,311,261 km (0.1 R)
• M11: 4,775,613 km (0.092 R)
• M12: 5,115,200 km (0.083 R)
• M13: 5,452,693 km (0.119 R)
• M14: 7,126,992 km (0.104 R)
• M15: 7,548,709 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300

Radius: 14

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.32 AU - 1.64 AU

Year: 1266 Days

Day: 9.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,050,046 km

• M1: 174,880 km (0.082 R)
• M2: 745,895 km (0.117 R)
• M3: 1,285,943 km (0.077 R)
• M4: 1,797,718 km (0.114 R)
• M5: 2,738,539 km (0.103 R)
• M6: 3,866,357 km (0.059 R)
• M7: 5,247,145 km (0.059 R)
• M8: 6,456,046 km (0.075 R)
• M9: 7,229,467 km (0.103 R)
• M10: 7,891,886 km (0.091 R)
• M11: 8,389,748 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.3

Radius: 9.8

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.6 AU - 2.46 AU

Year: 2033 Days

Day: 11.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,050,046 km

• M1: 122,221 km (0.12 R)
• M2: 521,349 km (0.113 R)
• M3: 1,032,824 km (0.081 R)
• M4: 1,842,597 km (0.048 R)
• M5: 2,920,898 km (0.12 R)
• M6: 3,638,968 km (0.119 R)
• M7: 4,664,162 km (0.119 R)
• M8: 6,506,759 km (0.068 R)
• M9: 7,012,849 km (0.064 R)
• M10: 7,985,086 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 624.1

Radius: 13.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.4 AU - 3.54 AU

Year: 4544 Days

Day: 12.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,050,046 km

• M1: 174,581 km (0.047 R)
• M2: 1,321,847 km (0.107 R)
• M3: 2,708,619 km (0.09 R)
• M4: 4,188,890 km (0.098 R)
• M5: 4,687,649 km (0.073 R)
• M6: 5,146,466 km (0.101 R)
• M7: 5,805,295 km (0.114 R)
• M8: 7,946,788 km (0.106 R)
• M9: 8,677,574 km (0.104 R)
• M10: 9,137,288 km (0.101 R)
• M11: 10,571,932 km (0.083 R)
• M12: 13,273,071 km (0.078 R)
• M13: 16,463,395 km (0.082 R)
• M14: 18,643,784 km (0.029 R)
• M15: 21,354,348 km (0.095 R)
• M16: 25,312,109 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.4

Radius: 13.7

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.18 AU - 4.92 AU

Year: 5729 Days

Day: 6.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,050,046 km

• M1: 170,392 km (0.093 R)
• M2: 625,768 km (0.102 R)
• M3: 1,632,562 km (0.105 R)
• M4: 2,119,353 km (0.11 R)
• M5: 4,543,138 km (0.05 R)
• M6: 5,417,088 km (0.119 R)
• M7: 5,880,543 km (0.087 R)
• M8: 6,519,774 km (0.061 R)
• M9: 7,269,709 km (0.072 R)
• M10: 7,835,188 km (0.111 R)
• M11: 10,816,076 km (0.081 R)
• M12: 11,510,210 km (0.108 R)
• M13: 12,843,875 km (0.071 R)
• M14: 14,074,317 km (0.066 R)
• M15: 14,744,516 km (0.096 R)
• M16: 15,274,391 km (0.097 R)
• M17: 15,762,230 km (0.039 R)
• M18: 18,237,925 km (0.105 R)
• M19: 19,855,078 km (0.115 R)
• M20: 21,837,549 km (0.037 R)
• M21: 22,736,333 km (0.109 R)
• M22: 23,516,037 km (0.049 R)
• M23: 24,313,544 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.7

Radius: 13

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.71 AU - 4.43 AU

Year: 5772 Days

Day: 11.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,050,046 km

• M1: 161,715 km (0.107 R)
• M2: 648,507 km (0.106 R)
• M3: 1,085,033 km (0.107 R)
• M4: 1,912,160 km (0.1 R)
• M5: 2,347,191 km (0.096 R)
• M6: 3,113,730 km (0.096 R)
• M7: 4,538,201 km (0.075 R)
• M8: 5,711,946 km (0.099 R)
• M9: 7,144,495 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 853

Radius: 3.1

Gravity: 88.76 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.43 AU - 7.05 AU

Year: 9667 Days

Day: 20 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,050,046 km

• M1: 38,596 km (0.119 R)
• M2: 159,771 km (0.041 R)
• M3: 286,031 km (0.104 R)
• M4: 604,824 km (0.116 R)
• M5: 965,505 km (0.082 R)
• M6: 1,086,230 km (0.11 R)
• M7: 1,658,592 km (0.111 R)
• M8: 1,932,505 km (0.091 R)
• M9: 3,003,925 km (0.061 R)
• M10: 3,119,864 km (0.106 R)
• M11: 3,536,045 km (0.066 R)
• M12: 3,905,851 km (0.12 R)
• M13: 6,681,938 km (0.05 R)
• M14: 10,176,096 km (0.05 R)
• M15: 14,130,566 km (0.104 R)
• M16: 14,456,241 km (0.091 R)
• M17: 14,786,852 km (0.025 R)
• M18: 14,920,592 km (0.111 R)
• M19: 15,809,054 km (0.101 R)
• M20: 18,685,672 km (0.076 R)
• M21: 21,805,834 km (0.072 R)
• M22: 22,769,843 km (0.045 R)
• M23: 23,397,855 km (0.069 R)
• M24: 27,612,476 km (0.102 R)
• M25: 35,673,108 km (0.072 R)
• M26: 40,822,117 km (0.081 R)
• M27: 44,470,361 km (0.103 R)
• M28: 45,309,605 km (0.07 R)
• M29: 46,016,903 km (0.111 R)
• M30: 46,444,753 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 291.4

Radius: 3.5

Gravity: 23.79 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.18 AU - 10.1 AU

Year: 17852 Days

Day: 17.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 69.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 53,050,046 km

• M1: 46,375 km (0.073 R)
• M2: 173,982 km (0.089 R)
• M3: 342,430 km (0.094 R)
• M4: 454,927 km (0.083 R)
• M5: 647,310 km (0.064 R)
• M6: 1,207,105 km (0.096 R)
• M7: 1,653,356 km (0.07 R)
• M8: 2,036,326 km (0.118 R)
• M9: 3,538,738 km (0.1 R)
• M10: 4,873,749 km (0.118 R)
• M11: 5,036,512 km (0.093 R)
• M12: 5,169,354 km (0.084 R)
• M13: 5,796,469 km (0.046 R)
• M14: 6,472,501 km (0.118 R)
• M15: 7,368,443 km (0.106 R)
• M16: 8,910,648 km (0.085 R)
• M17: 9,252,927 km (0.077 R)
• M18: 10,655,557 km (0.111 R)
• M19: 10,929,920 km (0.082 R)
• M20: 12,134,332 km (0.109 R)
• M21: 18,224,761 km (0.073 R)
• M22: 20,748,776 km (0.084 R)
• M23: 22,585,090 km (0.118 R)
• M24: 24,621,865 km (0.041 R)
• M25: 25,586,921 km (0.108 R)
• M26: 26,979,826 km (0.106 R)
• M27: 27,591,981 km (0.099 R)
• M28: 28,632,733 km (0.063 R)
• M29: 32,025,015 km (0.111 R)
• M30: 32,596,179 km (0.059 R)
• M31: 35,553,729 km (0.119 R)
• M32: 37,034,898 km (0.086 R)
• M33: 38,814,215 km (0.116 R)
• M34: 45,060,823 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 221 - 16,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit