🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.45 AU - 0.57 AU

Year: 232 Days

Day: 28.8 Hours

Environment

Temp: -116 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.4

Radius: 8.1

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.37 AU - 1.65 AU

Year: 1180 Days

Day: 14.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,871,459 km

• M1: 100,679 km (0.081 R)
• M2: 561,291 km (0.066 R)
• M3: 817,403 km (0.114 R)
• M4: 1,154,148 km (0.113 R)
• M5: 1,591,273 km (0.084 R)
• M6: 1,867,729 km (0.069 R)
• M7: 2,473,302 km (0.098 R)
• M8: 2,988,816 km (0.069 R)
• M9: 4,217,014 km (0.06 R)
• M10: 4,610,158 km (0.103 R)
• M11: 5,274,522 km (0.059 R)
• M12: 5,609,771 km (0.09 R)
• M13: 6,214,296 km (0.088 R)
• M14: 6,861,755 km (0.059 R)
• M15: 7,430,825 km (0.095 R)
• M16: 8,238,056 km (0.062 R)
• M17: 9,527,739 km (0.101 R)
• M18: 10,025,900 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.4

Radius: 12.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.18 AU - 1.9 AU

Year: 1215 Days

Day: 9.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,871,459 km

• M1: 162,463 km (0.11 R)
• M2: 1,246,150 km (0.045 R)
• M3: 1,787,844 km (0.069 R)
• M4: 2,609,585 km (0.117 R)
• M5: 3,418,760 km (0.116 R)
• M6: 4,388,902 km (0.052 R)
• M7: 6,387,829 km (0.115 R)
• M8: 7,938,261 km (0.072 R)
• M9: 8,497,608 km (0.074 R)
• M10: 9,203,411 km (0.1 R)
• M11: 10,108,179 km (0.034 R)
• M12: 11,347,447 km (0.103 R)
• M13: 12,204,045 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.7

Radius: 8.3

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.61 AU - 4.05 AU

Year: 3864 Days

Day: 14.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,871,459 km

• M1: 147,653 km (0.063 R)
• M2: 993,779 km (0.083 R)
• M3: 1,390,512 km (0.092 R)
• M4: 1,993,092 km (0.099 R)
• M5: 5,138,537 km (0.111 R)
• M6: 5,745,456 km (0.038 R)
• M7: 7,694,866 km (0.109 R)
• M8: 9,306,633 km (0.075 R)
• M9: 9,985,059 km (0.071 R)
• M10: 10,828,791 km (0.12 R)
• M11: 11,754,503 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750

Radius: 12.6

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.11 AU - 3.57 AU

Year: 3881 Days

Day: 10.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,871,459 km

• M1: 157,377 km (0.065 R)
• M2: 595,100 km (0.117 R)
• M3: 1,045,390 km (0.035 R)
• M4: 1,437,785 km (0.097 R)
• M5: 2,065,049 km (0.068 R)
• M6: 2,852,233 km (0.092 R)
• M7: 3,442,546 km (0.107 R)
• M8: 4,770,078 km (0.104 R)
• M9: 9,042,443 km (0.086 R)
• M10: 10,874,269 km (0.085 R)
• M11: 11,717,702 km (0.079 R)
• M12: 12,556,497 km (0.118 R)
• M13: 16,950,935 km (0.09 R)
• M14: 18,207,108 km (0.062 R)
• M15: 22,277,517 km (0.085 R)
• M16: 26,051,572 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.3

Radius: 11.2

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.65 AU - 4.99 AU

Year: 5709 Days

Day: 6.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,871,459 km

• M1: 139,276 km (0.112 R)
• M2: 574,755 km (0.051 R)
• M3: 3,143,051 km (0.08 R)
• M4: 3,895,678 km (0.091 R)
• M5: 8,439,564 km (0.076 R)
• M6: 8,951,488 km (0.038 R)
• M7: 9,948,707 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.5

Radius: 4.3

Gravity: 16.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.66 AU - 7.42 AU

Year: 10634 Days

Day: 16.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 47,871,459 km

• M1: 53,706 km (0.09 R)
• M2: 267,631 km (0.118 R)
• M3: 860,637 km (0.093 R)
• M4: 1,393,504 km (0.073 R)
• M5: 2,358,560 km (0.089 R)
• M6: 3,136,469 km (0.058 R)
• M7: 3,467,978 km (0.119 R)
• M8: 4,548,673 km (0.083 R)
• M9: 5,771,336 km (0.068 R)
• M10: 6,033,282 km (0.098 R)
• M11: 6,200,832 km (0.104 R)
• M12: 6,475,493 km (0.071 R)
• M13: 10,386,431 km (0.054 R)
• M14: 10,676,202 km (0.079 R)
• M15: 11,020,875 km (0.063 R)
• M16: 11,322,315 km (0.117 R)
• M17: 12,967,592 km (0.082 R)
• M18: 13,190,942 km (0.036 R)
• M19: 13,530,679 km (0.096 R)
• M20: 13,702,716 km (0.088 R)
• M21: 21,845,777 km (0.115 R)
• M22: 23,457,395 km (0.065 R)
• M23: 24,717,009 km (0.08 R)
• M24: 26,109,316 km (0.092 R)
• M25: 26,465,509 km (0.036 R)
• M26: 27,645,238 km (0.082 R)
• M27: 29,914,637 km (0.058 R)
• M28: 33,756,610 km (0.079 R)
• M29: 36,900,858 km (0.048 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 483.1

Radius: 7

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.8 AU - 8.38 AU

Year: 14630 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,871,459 km

• M1: 87,216 km (0.114 R)
• M2: 307,723 km (0.058 R)
• M3: 679,623 km (0.073 R)
• M4: 1,344,586 km (0.045 R)
• M5: 2,207,017 km (0.088 R)
• M6: 2,756,640 km (0.086 R)
• M7: 5,258,365 km (0.072 R)
• M8: 8,353,096 km (0.09 R)
• M9: 10,578,365 km (0.042 R)
• M10: 12,425,898 km (0.101 R)
• M11: 15,303,264 km (0.102 R)
• M12: 33,092,994 km (0.112 R)
• M13: 48,810,195 km (0.072 R)
• M14: 54,166,696 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.8

Radius: 7.7

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 7.89 AU - 9.07 AU

Year: 15701 Days

Day: 15.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,871,459 km

• M1: 95,743 km (0.104 R)
• M2: 781,350 km (0.104 R)
• M3: 1,273,078 km (0.11 R)
• M4: 1,532,929 km (0.118 R)
• M5: 2,399,849 km (0.094 R)
• M6: 2,822,164 km (0.068 R)
• M7: 3,062,568 km (0.093 R)
• M8: 3,560,130 km (0.082 R)
• M9: 5,313,567 km (0.094 R)
• M10: 6,545,804 km (0.093 R)
• M11: 6,813,435 km (0.097 R)
• M12: 7,168,281 km (0.084 R)
• M13: 8,175,224 km (0.117 R)
• M14: 10,210,354 km (0.074 R)
• M15: 11,317,528 km (0.111 R)
• M16: 12,386,554 km (0.049 R)
• M17: 15,051,790 km (0.03 R)
• M18: 18,911,415 km (0.095 R)
• M19: 25,018,449 km (0.114 R)
• M20: 27,216,341 km (0.114 R)
• M21: 27,512,096 km (0.107 R)
• M22: 31,339,707 km (0.11 R)
• M23: 32,432,070 km (0.077 R)
• M24: 33,889,752 km (0.058 R)
• M25: 36,098,116 km (0.111 R)
• M26: 39,147,668 km (0.107 R)
• M27: 42,629,409 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 521 - 14,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit