🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 14.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.73 AU - 1.17 AU

Year: 607 Days

Day: 11.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,571,077 km

• M1: 175,329 km (0.106 R)
• M2: 639,680 km (0.096 R)
• M3: 1,113,756 km (0.082 R)
• M4: 1,565,691 km (0.044 R)
• M5: 2,036,326 km (0.069 R)
• M6: 3,020,082 km (0.073 R)
• M7: 3,762,985 km (0.103 R)
• M8: 4,890,205 km (0.085 R)
• M9: 5,549,333 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.5

Radius: 9.3

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.32 AU - 1.48 AU

Year: 1087 Days

Day: 6.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,571,077 km

• M1: 115,789 km (0.082 R)
• M2: 456,274 km (0.058 R)
• M3: 961,166 km (0.077 R)
• M4: 1,541,905 km (0.107 R)
• M5: 2,116,511 km (0.101 R)
• M6: 2,465,672 km (0.101 R)
• M7: 3,061,969 km (0.085 R)
• M8: 3,437,909 km (0.11 R)
• M9: 4,035,552 km (0.049 R)
• M10: 4,956,925 km (0.116 R)
• M11: 5,844,190 km (0.083 R)
• M12: 6,514,389 km (0.114 R)
• M13: 10,225,912 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.8

Radius: 13.4

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.87 AU - 2.63 AU

Year: 2214 Days

Day: 9.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,571,077 km

• M1: 166,802 km (0.119 R)
• M2: 778,358 km (0.112 R)
• M3: 1,202,916 km (0.106 R)
• M4: 1,864,139 km (0.094 R)
• M5: 2,398,503 km (0.096 R)
• M6: 2,954,109 km (0.103 R)
• M7: 4,397,280 km (0.089 R)
• M8: 5,375,949 km (0.117 R)
• M9: 6,587,093 km (0.056 R)
• M10: 7,208,074 km (0.092 R)
• M11: 9,485,253 km (0.119 R)
• M12: 10,691,161 km (0.048 R)
• M13: 11,148,183 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.6

Radius: 12.4

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.27 AU - 3.49 AU

Year: 3206 Days

Day: 7.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,571,077 km

• M1: 154,834 km (0.104 R)
• M2: 760,855 km (0.097 R)
• M3: 1,738,926 km (0.026 R)
• M4: 3,922,755 km (0.104 R)
• M5: 4,729,237 km (0.034 R)
• M6: 6,005,906 km (0.091 R)
• M7: 6,832,135 km (0.07 R)
• M8: 7,301,124 km (0.11 R)
• M9: 7,880,367 km (0.057 R)
• M10: 9,769,489 km (0.089 R)
• M11: 13,547,733 km (0.068 R)
• M12: 14,648,623 km (0.059 R)
• M13: 15,337,372 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964.9

Radius: 5.7

Gravity: 29.7 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.74 AU - 7.74 AU

Year: 11479 Days

Day: 16 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,571,077 km

• M1: 70,909 km (0.102 R)
• M2: 513,869 km (0.046 R)
• M3: 732,132 km (0.1 R)
• M4: 925,562 km (0.073 R)
• M5: 1,116,898 km (0.081 R)
• M6: 1,376,300 km (0.111 R)
• M7: 1,675,347 km (0.116 R)
• M8: 2,185,326 km (0.12 R)
• M9: 4,555,704 km (0.078 R)
• M10: 4,947,351 km (0.104 R)
• M11: 6,024,755 km (0.101 R)
• M12: 6,376,460 km (0.1 R)
• M13: 7,120,709 km (0.115 R)
• M14: 7,875,430 km (0.084 R)
• M15: 8,248,527 km (0.092 R)
• M16: 9,438,728 km (0.101 R)
• M17: 10,795,730 km (0.115 R)
• M18: 11,081,911 km (0.093 R)
• M19: 13,099,687 km (0.102 R)
• M20: 18,489,250 km (0.086 R)
• M21: 21,039,893 km (0.078 R)
• M22: 22,771,339 km (0.03 R)
• M23: 26,308,282 km (0.106 R)
• M24: 26,722,518 km (0.116 R)
• M25: 29,745,143 km (0.072 R)
• M26: 32,511,058 km (0.088 R)
• M27: 32,868,298 km (0.118 R)
• M28: 41,269,265 km (0.1 R)
• M29: 43,105,280 km (0.114 R)
• M30: 43,825,594 km (0.082 R)
• M31: 45,142,653 km (0.075 R)
• M32: 49,095,029 km (0.108 R)
• M33: 54,939,519 km (0.119 R)
• M34: 58,730,179 km (0.026 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355

Radius: 4.7

Gravity: 16.07 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 8.76 AU - 12.5 AU

Year: 22736 Days

Day: 18 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 66,571,077 km

• M1: 58,493 km (0.083 R)
• M2: 257,009 km (0.08 R)
• M3: 544,087 km (0.078 R)
• M4: 796,010 km (0.036 R)
• M5: 1,122,882 km (0.12 R)
• M6: 1,818,661 km (0.107 R)
• M7: 1,982,920 km (0.105 R)
• M8: 3,084,708 km (0.095 R)
• M9: 3,239,841 km (0.116 R)
• M10: 3,883,710 km (0.059 R)
• M11: 4,444,254 km (0.043 R)
• M12: 5,420,828 km (0.084 R)
• M13: 5,724,213 km (0.053 R)
• M14: 6,659,948 km (0.079 R)
• M15: 10,016,774 km (0.066 R)
• M16: 11,991,167 km (0.103 R)
• M17: 20,152,628 km (0.073 R)
• M18: 21,157,178 km (0.112 R)
• M19: 22,099,046 km (0.079 R)
• M20: 24,370,540 km (0.092 R)
• M21: 31,622,148 km (0.091 R)
• M22: 33,731,178 km (0.117 R)
• M23: 37,542,334 km (0.079 R)
• M24: 40,617,916 km (0.056 R)
• M25: 43,255,925 km (0.099 R)
• M26: 49,032,647 km (0.093 R)
• M27: 55,126,666 km (0.099 R)
• M28: 60,014,776 km (0.03 R)
• M29: 61,139,004 km (0.065 R)
• M30: 64,987,559 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 16,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit