🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.61 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.1

Radius: 9.7

Gravity: 8.39 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.19 AU - 1.23 AU

Year: 873 Days

Day: 12 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,386,581 km

• M1: 121,922 km (0.092 R)
• M2: 587,920 km (0.032 R)
• M3: 919,129 km (0.066 R)
• M4: 1,221,317 km (0.082 R)
• M5: 1,526,197 km (0.087 R)
• M6: 2,705,477 km (0.101 R)
• M7: 3,343,812 km (0.104 R)
• M8: 3,721,397 km (0.095 R)
• M9: 4,225,392 km (0.101 R)
• M10: 4,650,250 km (0.095 R)
• M11: 5,084,832 km (0.109 R)
• M12: 5,952,050 km (0.115 R)
• M13: 6,334,123 km (0.067 R)
• M14: 6,687,474 km (0.098 R)
• M15: 7,628,743 km (0.05 R)
• M16: 8,208,585 km (0.026 R)
• M17: 9,456,381 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.6

Radius: 11.4

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.35 AU - 2.21 AU

Year: 1558 Days

Day: 11 Hours

Environment

Temp: -195 °C

Axial Tilt: 77.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,386,581 km

• M1: 151,393 km (0.047 R)
• M2: 702,362 km (0.108 R)
• M3: 1,888,823 km (0.092 R)
• M4: 2,891,727 km (0.088 R)
• M5: 6,158,944 km (0.114 R)
• M6: 6,730,558 km (0.108 R)
• M7: 7,641,310 km (0.118 R)
• M8: 10,261,068 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.3

Radius: 11

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.14 AU - 3.22 AU

Year: 3720 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,386,581 km

• M1: 138,378 km (0.095 R)
• M2: 527,931 km (0.111 R)
• M3: 978,669 km (0.082 R)
• M4: 1,363,136 km (0.106 R)
• M5: 1,988,904 km (0.094 R)
• M6: 2,995,697 km (0.107 R)
• M7: 3,674,722 km (0.029 R)
• M8: 6,519,176 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793.3

Radius: 9

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.84 AU - 4.6 AU

Year: 5687 Days

Day: 14.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,386,581 km

• M1: 117,584 km (0.117 R)
• M2: 514,766 km (0.044 R)
• M3: 892,501 km (0.091 R)
• M4: 1,240,466 km (0.097 R)
• M5: 1,563,298 km (0.101 R)
• M6: 2,812,141 km (0.027 R)
• M7: 3,250,313 km (0.096 R)
• M8: 5,474,833 km (0.108 R)
• M9: 6,095,515 km (0.11 R)
• M10: 6,831,536 km (0.069 R)
• M11: 7,329,996 km (0.084 R)
• M12: 8,162,060 km (0.092 R)
• M13: 10,103,541 km (0.067 R)
• M14: 12,026,322 km (0.107 R)
• M15: 13,290,574 km (0.108 R)
• M16: 15,896,120 km (0.105 R)
• M17: 16,518,298 km (0.1 R)
• M18: 16,835,445 km (0.104 R)
• M19: 20,378,970 km (0.094 R)
• M20: 21,113,196 km (0.075 R)
• M21: 22,790,488 km (0.065 R)
• M22: 23,183,780 km (0.088 R)
• M23: 24,472,716 km (0.084 R)
• M24: 28,716,957 km (0.091 R)
• M25: 31,934,508 km (0.095 R)
• M26: 32,328,249 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 8.7

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.68 AU - 4.84 AU

Year: 5768 Days

Day: 5.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,386,581 km

• M1: 108,458 km (0.05 R)
• M2: 443,558 km (0.061 R)
• M3: 1,087,277 km (0.089 R)
• M4: 1,428,061 km (0.101 R)
• M5: 1,701,825 km (0.106 R)
• M6: 2,139,848 km (0.077 R)
• M7: 2,429,021 km (0.081 R)
• M8: 3,495,205 km (0.104 R)
• M9: 3,800,085 km (0.101 R)
• M10: 7,341,964 km (0.106 R)
• M11: 8,136,778 km (0.035 R)
• M12: 9,821,998 km (0.08 R)
• M13: 10,510,148 km (0.115 R)
• M14: 11,394,271 km (0.1 R)
• M15: 12,767,879 km (0.112 R)
• M16: 13,448,400 km (0.068 R)
• M17: 14,105,134 km (0.083 R)
• M18: 16,099,424 km (0.096 R)
• M19: 16,519,794 km (0.066 R)
• M20: 17,109,658 km (0.113 R)
• M21: 17,824,885 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.6

Radius: 11.2

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.67 AU - 4.79 AU

Year: 6748 Days

Day: 11.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,386,581 km

• M1: 139,276 km (0.08 R)
• M2: 587,321 km (0.119 R)
• M3: 1,291,329 km (0.103 R)
• M4: 1,955,992 km (0.091 R)
• M5: 2,664,637 km (0.12 R)
• M6: 3,058,528 km (0.094 R)
• M7: 3,652,432 km (0.104 R)
• M8: 4,217,912 km (0.108 R)
• M9: 4,700,365 km (0.086 R)
• M10: 6,304,802 km (0.059 R)
• M11: 8,329,161 km (0.073 R)
• M12: 11,099,713 km (0.12 R)
• M13: 11,554,940 km (0.094 R)
• M14: 12,287,820 km (0.095 R)
• M15: 14,079,404 km (0.075 R)
• M16: 16,490,772 km (0.039 R)
• M17: 16,884,812 km (0.083 R)
• M18: 17,691,743 km (0.079 R)
• M19: 18,807,295 km (0.098 R)
• M20: 19,309,794 km (0.116 R)
• M21: 21,101,378 km (0.034 R)
• M22: 22,919,740 km (0.072 R)
• M23: 23,658,903 km (0.102 R)
• M24: 24,244,729 km (0.051 R)
• M25: 27,872,626 km (0.119 R)
• M26: 30,253,925 km (0.101 R)
• M27: 32,767,918 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.2

Radius: 11

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.87 AU - 6.35 AU

Year: 7578 Days

Day: 11.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,386,581 km

• M1: 316,549 km (0.119 R)
• M2: 733,628 km (0.089 R)
• M3: 3,934,424 km (0.107 R)
• M4: 5,781,060 km (0.107 R)
• M5: 7,476,902 km (0.102 R)
• M6: 8,476,515 km (0.086 R)
• M7: 10,098,006 km (0.102 R)
• M8: 11,004,419 km (0.102 R)
• M9: 12,732,125 km (0.117 R)
• M10: 15,456,302 km (0.101 R)
• M11: 16,895,284 km (0.117 R)
• M12: 20,914,680 km (0.075 R)
• M13: 21,816,905 km (0.116 R)
• M14: 23,402,642 km (0.095 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.4

Radius: 10.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.07 AU - 6.15 AU

Year: 8717 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,386,581 km

• M1: 134,339 km (0.06 R)
• M2: 2,386,834 km (0.116 R)
• M3: 3,625,056 km (0.063 R)
• M4: 6,105,987 km (0.065 R)
• M5: 7,465,682 km (0.116 R)
• M6: 7,854,786 km (0.058 R)
• M7: 8,216,663 km (0.084 R)
• M8: 15,446,579 km (0.094 R)
• M9: 15,888,191 km (0.111 R)
• M10: 18,646,776 km (0.074 R)
• M11: 19,731,211 km (0.1 R)
• M12: 20,251,363 km (0.057 R)
• M13: 20,933,679 km (0.108 R)
• M14: 21,867,170 km (0.109 R)
• M15: 23,072,779 km (0.043 R)
• M16: 23,900,803 km (0.104 R)
• M17: 25,704,056 km (0.077 R)
• M18: 29,773,267 km (0.098 R)
• M19: 30,261,405 km (0.037 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.2

Radius: 3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.56 AU - 7.04 AU

Year: 11632 Days

Day: 17.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,386,581 km

• M1: 37,699 km (0.097 R)
• M2: 178,321 km (0.11 R)
• M3: 906,114 km (0.097 R)
• M4: 1,885,532 km (0.1 R)
• M5: 3,311,349 km (0.104 R)
• M6: 3,465,584 km (0.118 R)
• M7: 8,163,705 km (0.087 R)
• M8: 15,148,280 km (0.086 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 301.1

Radius: 5.1

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.42 AU - 12.64 AU

Year: 24031 Days

Day: 24 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,386,581 km

• M1: 63,878 km (0.084 R)
• M2: 1,035,816 km (0.082 R)
• M3: 1,251,685 km (0.109 R)
• M4: 1,916,798 km (0.074 R)
• M5: 3,010,657 km (0.043 R)
• M6: 3,968,233 km (0.1 R)
• M7: 4,972,484 km (0.12 R)
• M8: 5,366,524 km (0.119 R)
• M9: 8,376,733 km (0.027 R)
• M10: 8,882,374 km (0.084 R)
• M11: 9,733,585 km (0.06 R)
• M12: 10,990,956 km (0.118 R)
• M13: 11,230,611 km (0.099 R)
• M14: 14,528,945 km (0.106 R)
• M15: 14,890,523 km (0.094 R)
• M16: 15,406,935 km (0.042 R)
• M17: 15,858,870 km (0.109 R)
• M18: 16,397,273 km (0.086 R)
• M19: 16,710,381 km (0.11 R)
• M20: 17,591,962 km (0.062 R)
• M21: 18,758,376 km (0.079 R)
• M22: 20,242,836 km (0.081 R)
• M23: 21,151,643 km (0.069 R)
• M24: 21,803,740 km (0.11 R)
• M25: 27,401,692 km (0.118 R)
• M26: 28,738,649 km (0.12 R)
• M27: 29,423,208 km (0.106 R)
• M28: 30,470,393 km (0.112 R)
• M29: 34,013,021 km (0.078 R)
• M30: 34,778,812 km (0.075 R)
• M31: 36,477,346 km (0.075 R)
• M32: 38,780,705 km (0.094 R)
• M33: 39,756,681 km (0.118 R)
• M34: 40,748,964 km (0.03 R)
• M35: 43,824,846 km (0.044 R)
• M36: 45,650,089 km (0.092 R)
• M37: 52,437,195 km (0.066 R)
• M38: 62,111,390 km (0.116 R)
• M39: 64,605,785 km (0.095 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: 487 - 11,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit