🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.54 AU - 0.62 AU

Year: 281 Days

Day: 44.8 Hours

Environment

Temp: -121 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.6

Radius: 10.7

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.87 AU - 0.89 AU

Year: 525 Days

Day: 9.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 37,799,152 km

• M1: 133,142 km (0.04 R)
• M2: 498,610 km (0.043 R)
• M3: 852,259 km (0.072 R)
• M4: 1,322,445 km (0.12 R)
• M5: 1,732,643 km (0.098 R)
• M6: 2,486,466 km (0.078 R)
• M7: 3,013,200 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.9

Radius: 11.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.09 AU - 1.51 AU

Year: 942 Days

Day: 14.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 37,799,152 km

• M1: 139,276 km (0.036 R)
• M2: 552,914 km (0.036 R)
• M3: 956,379 km (0.118 R)
• M4: 1,414,149 km (0.108 R)
• M5: 2,389,676 km (0.114 R)
• M6: 3,135,871 km (0.111 R)
• M7: 4,001,145 km (0.043 R)
• M8: 4,761,850 km (0.114 R)
• M9: 6,718,440 km (0.078 R)
• M10: 7,606,453 km (0.03 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.7

Radius: 10.2

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.15 AU - 1.47 AU

Year: 953 Days

Day: 11.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 37,799,152 km

• M1: 126,859 km (0.105 R)
• M2: 585,975 km (0.078 R)
• M3: 1,450,202 km (0.114 R)
• M4: 1,818,213 km (0.112 R)
• M5: 3,250,463 km (0.115 R)
• M6: 4,311,859 km (0.059 R)
• M7: 6,232,696 km (0.076 R)
• M8: 8,206,042 km (0.085 R)
• M9: 8,956,425 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.7

Radius: 10.7

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.42 AU - 1.6 AU

Year: 1180 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,799,152 km

• M1: 133,142 km (0.103 R)
• M2: 1,180,477 km (0.066 R)
• M3: 1,586,785 km (0.087 R)
• M4: 2,086,591 km (0.085 R)
• M5: 2,497,237 km (0.095 R)
• M6: 3,004,224 km (0.111 R)
• M7: 3,611,143 km (0.099 R)
• M8: 4,118,579 km (0.119 R)
• M9: 4,596,395 km (0.045 R)
• M10: 5,090,367 km (0.1 R)
• M11: 5,663,476 km (0.089 R)
• M12: 6,185,274 km (0.115 R)
• M13: 7,725,533 km (0.064 R)
• M14: 8,483,246 km (0.095 R)
• M15: 11,055,582 km (0.07 R)
• M16: 12,613,644 km (0.038 R)
• M17: 12,957,569 km (0.061 R)

Asteroid Belt

Center: 2.05 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 13.3

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.59 AU - 2.59 AU

Year: 2650 Days

Day: 7.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,799,152 km

• M1: 165,605 km (0.08 R)
• M2: 633,248 km (0.09 R)
• M3: 1,211,743 km (0.103 R)
• M4: 2,576,674 km (0.115 R)
• M5: 3,059,725 km (0.094 R)
• M6: 3,548,013 km (0.094 R)
• M7: 3,967,934 km (0.103 R)
• M8: 5,582,693 km (0.066 R)
• M9: 6,262,466 km (0.088 R)
• M10: 7,631,137 km (0.102 R)
• M11: 8,075,143 km (0.116 R)
• M12: 9,050,222 km (0.076 R)
• M13: 12,755,163 km (0.087 R)
• M14: 15,387,936 km (0.097 R)
• M15: 16,672,982 km (0.057 R)
• M16: 18,420,734 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 11.9

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.02 AU - 5.36 AU

Year: 7518 Days

Day: 6.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,799,152 km

• M1: 148,401 km (0.111 R)
• M2: 689,646 km (0.112 R)
• M3: 1,062,444 km (0.111 R)
• M4: 1,976,337 km (0.105 R)
• M5: 2,726,720 km (0.052 R)
• M6: 4,185,748 km (0.115 R)
• M7: 5,393,003 km (0.115 R)
• M8: 5,777,470 km (0.059 R)
• M9: 7,117,717 km (0.044 R)
• M10: 8,356,836 km (0.104 R)
• M11: 9,319,947 km (0.088 R)
• M12: 10,258,375 km (0.061 R)
• M13: 12,710,882 km (0.073 R)
• M14: 13,337,099 km (0.107 R)
• M15: 14,528,048 km (0.046 R)
• M16: 17,674,689 km (0.103 R)
• M17: 19,781,476 km (0.076 R)
• M18: 22,295,019 km (0.113 R)
• M19: 24,055,936 km (0.119 R)
• M20: 27,663,638 km (0.11 R)
• M21: 29,497,409 km (0.119 R)
• M22: 30,393,799 km (0.102 R)
• M23: 33,620,625 km (0.115 R)
• M24: 34,052,963 km (0.058 R)
• M25: 37,069,156 km (0.06 R)
• M26: 37,646,753 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.6

Radius: 4

Gravity: 24.73 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.22 AU - 7.5 AU

Year: 10198 Days

Day: 15.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 177.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,799,152 km

• M1: 49,816 km (0.079 R)
• M2: 277,504 km (0.093 R)
• M3: 413,189 km (0.116 R)
• M4: 567,275 km (0.061 R)
• M5: 735,423 km (0.063 R)
• M6: 862,581 km (0.062 R)
• M7: 1,086,679 km (0.072 R)
• M8: 1,264,700 km (0.039 R)
• M9: 1,514,529 km (0.091 R)
• M10: 1,679,685 km (0.078 R)
• M11: 1,950,008 km (0.06 R)
• M12: 2,957,700 km (0.097 R)
• M13: 3,261,234 km (0.118 R)
• M14: 3,854,539 km (0.113 R)
• M15: 4,433,632 km (0.086 R)
• M16: 5,599,149 km (0.073 R)
• M17: 5,995,434 km (0.115 R)
• M18: 6,992,354 km (0.11 R)
• M19: 7,930,782 km (0.11 R)
• M20: 8,430,139 km (0.063 R)
• M21: 9,083,433 km (0.065 R)
• M22: 10,539,469 km (0.088 R)
• M23: 12,527,625 km (0.069 R)
• M24: 15,378,811 km (0.057 R)
• M25: 17,711,191 km (0.071 R)
• M26: 19,663,743 km (0.086 R)
• M27: 21,120,826 km (0.062 R)
• M28: 23,229,258 km (0.1 R)
• M29: 23,905,141 km (0.107 R)
• M30: 25,831,364 km (0.117 R)
• M31: 30,188,252 km (0.106 R)
• M32: 33,066,515 km (0.041 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.6

Radius: 4.6

Gravity: 10.09 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 5.69 AU - 8.91 AU

Year: 12541 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 37,799,152 km

• M1: 57,745 km (0.082 R)
• M2: 239,357 km (0.076 R)
• M3: 401,820 km (0.028 R)
• M4: 572,511 km (0.103 R)
• M5: 968,197 km (0.109 R)
• M6: 1,236,875 km (0.036 R)
• M7: 2,454,602 km (0.111 R)
• M8: 7,083,609 km (0.112 R)
• M9: 7,307,407 km (0.083 R)
• M10: 10,809,493 km (0.041 R)
• M11: 11,206,526 km (0.101 R)
• M12: 11,459,496 km (0.088 R)
• M13: 12,563,828 km (0.071 R)
• M14: 20,943,104 km (0.11 R)
• M15: 21,715,627 km (0.103 R)
• M16: 24,147,041 km (0.082 R)
• M17: 24,910,439 km (0.114 R)
• M18: 26,129,662 km (0.109 R)
• M19: 28,404,746 km (0.081 R)
• M20: 30,513,178 km (0.104 R)
• M21: 31,706,222 km (0.064 R)
• M22: 32,212,311 km (0.079 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 16,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit