🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.2

Radius: 11.7

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.58 AU - 0.64 AU

Year: 335 Days

Day: 10 Hours

Environment

Temp: -148 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,131,794 km

• M1: 145,559 km (0.118 R)
• M2: 512,373 km (0.106 R)
• M3: 1,599,201 km (0.064 R)
• M4: 1,965,118 km (0.07 R)
• M5: 2,465,523 km (0.076 R)
• M6: 2,890,829 km (0.101 R)
• M7: 3,365,204 km (0.114 R)
• M8: 3,819,682 km (0.103 R)
• M9: 4,250,823 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.1

Radius: 11

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.09 AU - 1.53 AU

Year: 1054 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,131,794 km

• M1: 136,882 km (0.093 R)
• M2: 522,994 km (0.119 R)
• M3: 987,196 km (0.095 R)
• M4: 1,419,983 km (0.068 R)
• M5: 3,000,036 km (0.115 R)
• M6: 3,419,508 km (0.109 R)
• M7: 3,994,712 km (0.073 R)
• M8: 4,359,432 km (0.113 R)
• M9: 4,803,588 km (0.107 R)
• M10: 5,547,538 km (0.078 R)
• M11: 5,914,352 km (0.072 R)
• M12: 6,343,548 km (0.076 R)
• M13: 6,842,158 km (0.107 R)
• M14: 7,469,571 km (0.04 R)
• M15: 8,217,411 km (0.113 R)
• M16: 9,043,939 km (0.05 R)
• M17: 9,401,777 km (0.107 R)
• M18: 10,663,486 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 9.1

Gravity: 9.56 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.7 AU - 1.78 AU

Year: 1613 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,131,794 km

• M1: 113,395 km (0.117 R)
• M2: 630,405 km (0.089 R)
• M3: 1,281,156 km (0.04 R)
• M4: 1,984,565 km (0.119 R)
• M5: 2,481,529 km (0.096 R)
• M6: 2,910,726 km (0.1 R)
• M7: 3,276,493 km (0.086 R)
• M8: 3,776,897 km (0.117 R)
• M9: 4,826,327 km (0.116 R)
• M10: 5,274,522 km (0.078 R)
• M11: 5,915,249 km (0.065 R)
• M12: 6,205,320 km (0.112 R)
• M13: 7,658,663 km (0.065 R)
• M14: 8,912,144 km (0.114 R)
• M15: 10,718,239 km (0.092 R)
• M16: 11,297,332 km (0.089 R)
• M17: 12,756,061 km (0.117 R)
• M18: 14,164,226 km (0.094 R)
• M19: 14,773,089 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.1

Radius: 9.2

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.64 AU - 3.56 AU

Year: 3837 Days

Day: 5.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,131,794 km

• M1: 114,442 km (0.091 R)
• M2: 408,851 km (0.106 R)
• M3: 954,584 km (0.099 R)
• M4: 1,442,722 km (0.091 R)
• M5: 1,765,105 km (0.111 R)
• M6: 2,715,501 km (0.063 R)
• M7: 3,273,201 km (0.098 R)
• M8: 3,736,057 km (0.044 R)
• M9: 4,044,827 km (0.103 R)
• M10: 4,636,188 km (0.095 R)
• M11: 5,786,296 km (0.114 R)
• M12: 9,430,949 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 10.3

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.75 AU - 4.87 AU

Year: 6290 Days

Day: 13.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 173.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,131,794 km

• M1: 128,056 km (0.101 R)
• M2: 449,990 km (0.074 R)
• M3: 883,974 km (0.092 R)
• M4: 1,219,223 km (0.076 R)
• M5: 1,932,505 km (0.054 R)
• M6: 2,638,757 km (0.102 R)
• M7: 3,279,634 km (0.094 R)
• M8: 4,329,512 km (0.099 R)
• M9: 5,196,282 km (0.077 R)
• M10: 5,671,106 km (0.096 R)
• M11: 7,239,639 km (0.119 R)
• M12: 7,598,375 km (0.074 R)
• M13: 8,141,415 km (0.084 R)
• M14: 11,254,397 km (0.101 R)
• M15: 12,696,072 km (0.079 R)
• M16: 13,315,557 km (0.069 R)
• M17: 13,905,272 km (0.099 R)
• M18: 15,189,719 km (0.101 R)
• M19: 16,217,456 km (0.114 R)
• M20: 18,592,472 km (0.064 R)
• M21: 21,926,710 km (0.093 R)
• M22: 23,806,108 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 437.7

Radius: 8.5

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.5 AU - 6 AU

Year: 8456 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,131,794 km

• M1: 109,506 km (0.084 R)
• M2: 508,483 km (0.094 R)
• M3: 782,995 km (0.102 R)
• M4: 1,191,846 km (0.074 R)
• M5: 1,514,529 km (0.078 R)
• M6: 2,239,331 km (0.109 R)
• M7: 2,698,895 km (0.095 R)
• M8: 3,327,805 km (0.071 R)
• M9: 4,734,773 km (0.06 R)
• M10: 5,341,691 km (0.097 R)
• M11: 5,934,398 km (0.091 R)
• M12: 7,362,609 km (0.085 R)
• M13: 7,938,261 km (0.106 R)
• M14: 8,257,354 km (0.117 R)
• M15: 9,846,382 km (0.092 R)
• M16: 12,146,001 km (0.093 R)
• M17: 13,280,850 km (0.028 R)
• M18: 13,617,745 km (0.091 R)
• M19: 15,635,521 km (0.094 R)
• M20: 16,011,161 km (0.036 R)
• M21: 16,715,617 km (0.07 R)
• M22: 17,912,699 km (0.089 R)
• M23: 18,882,542 km (0.117 R)
• M24: 21,306,477 km (0.113 R)
• M25: 22,553,225 km (0.025 R)
• M26: 26,408,063 km (0.028 R)
• M27: 32,980,347 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.2

Radius: 6.1

Gravity: 23.6 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.71 AU - 7.41 AU

Year: 10486 Days

Day: 21.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,131,794 km

• M1: 75,846 km (0.119 R)
• M2: 344,225 km (0.086 R)
• M3: 695,331 km (0.069 R)
• M4: 1,613,712 km (0.104 R)
• M5: 1,818,063 km (0.081 R)
• M6: 2,517,882 km (0.095 R)
• M7: 3,186,584 km (0.093 R)
• M8: 3,829,257 km (0.102 R)
• M9: 5,368,320 km (0.086 R)
• M10: 5,648,068 km (0.088 R)
• M11: 5,937,390 km (0.047 R)
• M12: 6,987,866 km (0.057 R)
• M13: 9,201,466 km (0.07 R)
• M14: 10,120,146 km (0.117 R)
• M15: 10,986,916 km (0.056 R)
• M16: 11,267,562 km (0.069 R)
• M17: 13,753,131 km (0.108 R)
• M18: 14,477,484 km (0.09 R)
• M19: 15,505,819 km (0.103 R)
• M20: 16,508,723 km (0.073 R)
• M21: 17,175,780 km (0.11 R)
• M22: 17,937,981 km (0.072 R)
• M23: 20,275,598 km (0.063 R)
• M24: 24,103,807 km (0.086 R)
• M25: 32,228,468 km (0.115 R)
• M26: 34,932,599 km (0.092 R)
• M27: 38,811,372 km (0.072 R)
• M28: 42,141,271 km (0.103 R)
• M29: 45,656,672 km (0.081 R)
• M30: 46,382,521 km (0.081 R)
• M31: 52,468,162 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.4

Radius: 4.2

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.95 AU - 7.65 AU

Year: 11115 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,131,794 km

• M1: 52,210 km (0.106 R)
• M2: 252,671 km (0.064 R)
• M3: 392,545 km (0.08 R)
• M4: 559,197 km (0.098 R)
• M5: 1,281,306 km (0.061 R)
• M6: 1,712,447 km (0.112 R)
• M7: 1,860,549 km (0.114 R)
• M8: 2,714,753 km (0.106 R)
• M9: 3,443,145 km (0.085 R)
• M10: 3,777,945 km (0.11 R)
• M11: 3,978,855 km (0.11 R)
• M12: 4,624,669 km (0.117 R)
• M13: 6,866,991 km (0.089 R)
• M14: 7,513,852 km (0.111 R)
• M15: 8,283,683 km (0.065 R)
• M16: 8,623,120 km (0.05 R)
• M17: 8,927,702 km (0.101 R)
• M18: 11,263,523 km (0.059 R)
• M19: 13,507,042 km (0.101 R)
• M20: 13,858,597 km (0.091 R)
• M21: 14,276,274 km (0.064 R)
• M22: 14,949,614 km (0.099 R)
• M23: 15,836,879 km (0.101 R)
• M24: 31,363,642 km (0.098 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: 263 - 13,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit