🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 12.5

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.18 AU - 1.7 AU

Year: 1099 Days

Day: 8.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,785,250 km

• M1: 155,432 km (0.087 R)
• M2: 713,432 km (0.105 R)
• M3: 1,161,777 km (0.056 R)
• M4: 1,850,974 km (0.116 R)
• M5: 2,773,096 km (0.044 R)
• M6: 3,228,472 km (0.066 R)
• M7: 3,980,650 km (0.084 R)
• M8: 4,885,118 km (0.087 R)
• M9: 5,303,993 km (0.06 R)
• M10: 6,611,478 km (0.093 R)
• M11: 8,946,252 km (0.065 R)
• M12: 9,362,882 km (0.06 R)
• M13: 10,526,903 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.5

Radius: 9.8

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.22 AU - 1.66 AU

Year: 1099 Days

Day: 9.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,785,250 km

• M1: 121,922 km (0.074 R)
• M2: 443,408 km (0.104 R)
• M3: 972,835 km (0.072 R)
• M4: 1,359,097 km (0.099 R)
• M5: 1,960,480 km (0.077 R)
• M6: 2,529,700 km (0.091 R)
• M7: 3,205,882 km (0.078 R)
• M8: 3,780,937 km (0.104 R)
• M9: 4,093,447 km (0.081 R)
• M10: 4,647,258 km (0.034 R)
• M11: 5,269,435 km (0.092 R)
• M12: 5,600,795 km (0.083 R)
• M13: 6,457,841 km (0.096 R)
• M14: 7,161,998 km (0.108 R)
• M15: 8,017,698 km (0.1 R)
• M16: 9,441,122 km (0.066 R)
• M17: 9,756,624 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 12.4

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.92 AU - 2.74 AU

Year: 2261 Days

Day: 6.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,785,250 km

• M1: 154,235 km (0.11 R)
• M2: 700,866 km (0.091 R)
• M3: 1,246,449 km (0.072 R)
• M4: 2,520,575 km (0.1 R)
• M5: 4,223,447 km (0.113 R)
• M6: 6,121,994 km (0.091 R)
• M7: 6,838,418 km (0.058 R)
• M8: 7,550,953 km (0.064 R)
• M9: 10,095,911 km (0.097 R)
• M10: 10,495,936 km (0.112 R)
• M11: 11,058,574 km (0.062 R)
• M12: 11,839,923 km (0.052 R)
• M13: 13,776,917 km (0.092 R)
• M14: 15,290,997 km (0.113 R)
• M15: 16,409,989 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.4

Radius: 8.9

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.4 AU - 3.8 AU

Year: 3470 Days

Day: 5.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,785,250 km

• M1: 111,151 km (0.115 R)
• M2: 437,873 km (0.067 R)
• M3: 792,270 km (0.027 R)
• M4: 1,264,401 km (0.097 R)
• M5: 2,187,121 km (0.118 R)
• M6: 2,483,923 km (0.098 R)
• M7: 2,807,802 km (0.113 R)
• M8: 3,522,581 km (0.068 R)
• M9: 4,419,271 km (0.101 R)
• M10: 4,897,685 km (0.09 R)
• M11: 5,537,365 km (0.079 R)
• M12: 7,103,356 km (0.099 R)
• M13: 8,120,472 km (0.112 R)
• M14: 8,733,823 km (0.112 R)
• M15: 10,402,138 km (0.08 R)
• M16: 10,840,311 km (0.043 R)
• M17: 11,968,129 km (0.049 R)
• M18: 12,316,841 km (0.107 R)
• M19: 13,922,924 km (0.067 R)
• M20: 14,260,267 km (0.084 R)
• M21: 15,716,004 km (0.062 R)
• M22: 16,240,195 km (0.054 R)
• M23: 19,513,546 km (0.055 R)
• M24: 20,058,083 km (0.03 R)
• M25: 20,799,789 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.1

Radius: 13.1

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.42 AU - 3.86 AU

Year: 4416 Days

Day: 7.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,785,250 km

• M1: 163,062 km (0.1 R)
• M2: 579,991 km (0.108 R)
• M3: 1,211,593 km (0.114 R)
• M4: 1,933,552 km (0.028 R)
• M5: 2,608,688 km (0.114 R)
• M6: 3,691,327 km (0.06 R)
• M7: 4,867,167 km (0.053 R)
• M8: 5,527,791 km (0.101 R)
• M9: 6,092,523 km (0.109 R)
• M10: 6,695,552 km (0.113 R)
• M11: 10,154,853 km (0.112 R)
• M12: 11,660,406 km (0.042 R)
• M13: 12,794,507 km (0.091 R)
• M14: 14,437,840 km (0.111 R)
• M15: 15,628,490 km (0.106 R)
• M16: 20,140,810 km (0.119 R)
• M17: 21,698,722 km (0.097 R)
• M18: 22,210,796 km (0.092 R)
• M19: 22,731,097 km (0.111 R)
• M20: 27,700,140 km (0.111 R)
• M21: 28,477,151 km (0.059 R)
• M22: 29,804,085 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.5

Radius: 12.7

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.69 AU - 4.49 AU

Year: 5259 Days

Day: 8.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,785,250 km

• M1: 159,172 km (0.062 R)
• M2: 688,001 km (0.03 R)
• M3: 1,165,068 km (0.09 R)
• M4: 1,568,982 km (0.034 R)
• M5: 2,202,829 km (0.07 R)
• M6: 4,178,568 km (0.117 R)
• M7: 5,720,772 km (0.114 R)
• M8: 6,445,424 km (0.081 R)
• M9: 7,420,503 km (0.12 R)
• M10: 7,910,287 km (0.062 R)
• M11: 8,526,630 km (0.094 R)
• M12: 9,701,272 km (0.115 R)
• M13: 10,528,997 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 526

Radius: 6.3

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.94 AU - 8.3 AU

Year: 12080 Days

Day: 21.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,785,250 km

• M1: 78,688 km (0.091 R)
• M2: 297,550 km (0.099 R)
• M3: 622,178 km (0.1 R)
• M4: 912,248 km (0.115 R)
• M5: 1,963,921 km (0.089 R)
• M6: 4,638,132 km (0.102 R)
• M7: 5,507,146 km (0.101 R)
• M8: 6,070,682 km (0.109 R)
• M9: 6,479,981 km (0.097 R)
• M10: 6,867,889 km (0.113 R)
• M11: 9,235,425 km (0.064 R)
• M12: 12,389,396 km (0.099 R)
• M13: 13,541,001 km (0.086 R)
• M14: 14,894,862 km (0.109 R)
• M15: 17,201,062 km (0.078 R)
• M16: 18,786,351 km (0.094 R)
• M17: 19,020,621 km (0.056 R)
• M18: 19,976,851 km (0.075 R)
• M19: 21,301,091 km (0.092 R)
• M20: 26,008,487 km (0.108 R)
• M21: 29,016,901 km (0.111 R)
• M22: 31,037,519 km (0.087 R)
• M23: 34,183,712 km (0.081 R)
• M24: 38,156,882 km (0.078 R)
• M25: 40,578,572 km (0.086 R)
• M26: 41,232,464 km (0.051 R)
• M27: 44,193,455 km (0.118 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: 336 - 18,103 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit