🌌 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: 917.6

Radius: 10.7

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.64 AU - 0.98 AU

Year: 494 Days

Day: 5.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 14,703,342 km

• M1: 133,142 km (0.11 R)
• M2: 483,949 km (0.066 R)
• M3: 929,900 km (0.12 R)
• M4: 1,314,367 km (0.091 R)
• M5: 1,656,946 km (0.057 R)
• M6: 2,113,968 km (0.091 R)
• M7: 2,817,078 km (0.116 R)
• M8: 3,422,350 km (0.077 R)
• M9: 3,763,284 km (0.116 R)
• M10: 4,199,661 km (0.114 R)
• M11: 5,225,154 km (0.119 R)
• M12: 5,879,346 km (0.076 R)
• M13: 6,587,393 km (0.061 R)
• M14: 6,951,813 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.6

Radius: 8.6

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.91 AU - 1.51 AU

Year: 903 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,703,342 km

• M1: 108,309 km (0.093 R)
• M2: 376,837 km (0.089 R)
• M3: 669,151 km (0.112 R)
• M4: 1,679,386 km (0.073 R)
• M5: 2,266,258 km (0.115 R)
• M6: 2,909,230 km (0.098 R)
• M7: 3,214,110 km (0.108 R)
• M8: 3,512,408 km (0.084 R)
• M9: 3,844,067 km (0.1 R)
• M10: 4,671,942 km (0.095 R)
• M11: 5,671,554 km (0.039 R)
• M12: 6,253,041 km (0.08 R)
• M13: 7,164,840 km (0.117 R)
• M14: 7,440,998 km (0.098 R)
• M15: 8,337,688 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.8

Radius: 8.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.44 AU - 1.76 AU

Year: 1373 Days

Day: 10.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 14,703,342 km

• M1: 104,868 km (0.087 R)
• M2: 397,332 km (0.075 R)
• M3: 1,130,960 km (0.113 R)
• M4: 3,011,256 km (0.081 R)
• M5: 3,442,546 km (0.119 R)
• M6: 5,141,828 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.1

Radius: 11.4

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.63 AU - 2.39 AU

Year: 1933 Days

Day: 12.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 14,703,342 km

• M1: 142,417 km (0.096 R)
• M2: 560,543 km (0.098 R)
• M3: 930,349 km (0.076 R)
• M4: 1,322,296 km (0.078 R)
• M5: 2,047,097 km (0.096 R)
• M6: 2,506,961 km (0.1 R)
• M7: 3,212,465 km (0.09 R)
• M8: 3,702,996 km (0.08 R)
• M9: 4,409,846 km (0.07 R)
• M10: 5,658,689 km (0.106 R)
• M11: 6,872,676 km (0.119 R)
• M12: 9,333,112 km (0.035 R)
• M13: 10,236,533 km (0.093 R)
• M14: 12,105,161 km (0.087 R)
• M15: 12,596,141 km (0.116 R)
• M16: 13,061,240 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.6

Radius: 9.5

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.27 AU - 2.49 AU

Year: 2490 Days

Day: 6.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 14,703,342 km

• M1: 120,277 km (0.094 R)
• M2: 722,408 km (0.109 R)
• M3: 1,296,266 km (0.075 R)
• M4: 1,823,897 km (0.057 R)
• M5: 2,350,033 km (0.101 R)
• M6: 3,396,470 km (0.091 R)
• M7: 3,705,838 km (0.116 R)
• M8: 5,900,738 km (0.038 R)
• M9: 6,350,130 km (0.107 R)
• M10: 7,287,810 km (0.119 R)
• M11: 8,153,383 km (0.104 R)
• M12: 8,511,670 km (0.03 R)
• M13: 9,794,621 km (0.109 R)
• M14: 11,122,901 km (0.098 R)
• M15: 12,016,898 km (0.082 R)
• M16: 13,223,105 km (0.114 R)
• M17: 15,083,804 km (0.083 R)
• M18: 15,475,900 km (0.109 R)
• M19: 15,774,497 km (0.118 R)
• M20: 17,325,229 km (0.102 R)
• M21: 17,809,627 km (0.118 R)
• M22: 18,414,002 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.9

Radius: 14.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.17 AU - 3.41 AU

Year: 4047 Days

Day: 5.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 14,703,342 km

• M1: 177,124 km (0.118 R)
• M2: 972,237 km (0.1 R)
• M3: 1,705,715 km (0.113 R)
• M4: 3,334,537 km (0.103 R)
• M5: 3,859,775 km (0.083 R)
• M6: 4,367,659 km (0.06 R)
• M7: 4,999,112 km (0.042 R)
• M8: 6,352,075 km (0.115 R)
• M9: 7,439,652 km (0.083 R)
• M10: 7,937,065 km (0.046 R)
• M11: 9,482,411 km (0.113 R)
• M12: 10,992,302 km (0.097 R)
• M13: 13,265,142 km (0.114 R)
• M14: 15,605,003 km (0.119 R)
• M15: 16,482,544 km (0.115 R)
• M16: 18,593,370 km (0.106 R)
• M17: 19,916,264 km (0.091 R)
• M18: 20,393,780 km (0.057 R)
• M19: 22,017,067 km (0.085 R)
• M20: 23,724,876 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.5

Radius: 11.7

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.44 AU - 4.42 AU

Year: 5284 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 14,703,342 km

• M1: 145,559 km (0.051 R)
• M2: 532,868 km (0.058 R)
• M3: 986,299 km (0.057 R)
• M4: 1,385,725 km (0.084 R)
• M5: 2,016,131 km (0.114 R)
• M6: 2,527,606 km (0.091 R)
• M7: 2,958,747 km (0.076 R)
• M8: 3,775,102 km (0.089 R)
• M9: 4,780,998 km (0.037 R)
• M10: 5,346,927 km (0.104 R)
• M11: 5,957,286 km (0.084 R)
• M12: 7,687,984 km (0.097 R)
• M13: 13,812,521 km (0.033 R)
• M14: 15,360,261 km (0.041 R)
• M15: 16,020,885 km (0.107 R)
• M16: 16,436,916 km (0.093 R)
• M17: 16,966,942 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237

Radius: 13.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.72 AU - 5.68 AU

Year: 8043 Days

Day: 14.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 14,703,342 km

• M1: 168,746 km (0.099 R)
• M2: 592,108 km (0.053 R)
• M3: 1,028,635 km (0.08 R)
• M4: 2,665,236 km (0.112 R)
• M5: 4,572,609 km (0.048 R)
• M6: 5,033,370 km (0.084 R)
• M7: 6,897,210 km (0.111 R)
• M8: 9,105,125 km (0.117 R)
• M9: 12,034,999 km (0.1 R)
• M10: 12,619,328 km (0.095 R)
• M11: 15,148,580 km (0.11 R)
• M12: 18,188,408 km (0.071 R)
• M13: 24,122,956 km (0.117 R)
• M14: 26,656,545 km (0.1 R)
• M15: 27,987,817 km (0.101 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.6

Radius: 12.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 4.17 AU - 6.59 AU

Year: 8464 Days

Day: 14.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,703,342 km

• M1: 156,629 km (0.048 R)
• M2: 980,315 km (0.109 R)
• M3: 1,805,945 km (0.059 R)
• M4: 2,421,840 km (0.075 R)
• M5: 3,144,248 km (0.103 R)
• M6: 3,794,101 km (0.111 R)
• M7: 6,220,279 km (0.104 R)
• M8: 6,980,536 km (0.116 R)
• M9: 11,744,480 km (0.07 R)
• M10: 12,200,454 km (0.069 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 12,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit