🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.42 AU - 0.68 AU

Year: 263 Days

Day: 12.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.7

Radius: 14.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.99 AU - 1.35 AU

Year: 817 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,993,131 km

• M1: 177,124 km (0.042 R)
• M2: 646,861 km (0.116 R)
• M3: 1,213,239 km (0.12 R)
• M4: 1,674,299 km (0.061 R)
• M5: 2,201,183 km (0.114 R)
• M6: 2,712,359 km (0.113 R)
• M7: 4,130,846 km (0.053 R)
• M8: 4,901,873 km (0.105 R)
• M9: 5,507,595 km (0.052 R)
• M10: 6,443,180 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 14.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.72 AU - 2.68 AU

Year: 2107 Days

Day: 9.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,993,131 km

• M1: 347,366 km (0.053 R)
• M2: 822,190 km (0.03 R)
• M3: 1,311,824 km (0.08 R)
• M4: 1,983,219 km (0.113 R)
• M5: 2,477,490 km (0.094 R)
• M6: 3,354,583 km (0.116 R)
• M7: 3,932,180 km (0.067 R)
• M8: 4,521,147 km (0.088 R)
• M9: 5,494,580 km (0.076 R)
• M10: 6,486,564 km (0.116 R)
• M11: 8,570,013 km (0.077 R)
• M12: 9,414,792 km (0.098 R)
• M13: 10,768,952 km (0.061 R)
• M14: 11,753,306 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 900.8

Radius: 8.9

Gravity: 11.37 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.4 AU - 2.9 AU

Year: 2785 Days

Day: 9.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 81,993,131 km

• M1: 110,702 km (0.105 R)
• M2: 569,070 km (0.054 R)
• M3: 1,017,864 km (0.092 R)
• M4: 1,382,584 km (0.062 R)
• M5: 1,858,006 km (0.104 R)
• M6: 2,544,809 km (0.089 R)
• M7: 2,896,514 km (0.074 R)
• M8: 3,542,627 km (0.092 R)
• M9: 4,238,108 km (0.106 R)
• M10: 4,948,847 km (0.096 R)
• M11: 7,820,827 km (0.116 R)
• M12: 8,325,720 km (0.047 R)
• M13: 9,664,172 km (0.113 R)
• M14: 10,127,626 km (0.063 R)
• M15: 10,525,108 km (0.101 R)
• M16: 11,564,514 km (0.071 R)
• M17: 12,398,971 km (0.084 R)
• M18: 13,085,775 km (0.117 R)
• M19: 15,195,254 km (0.111 R)
• M20: 18,211,446 km (0.112 R)
• M21: 18,681,034 km (0.116 R)
• M22: 19,705,780 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 8.4

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.65 AU - 3.33 AU

Year: 3338 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,993,131 km

• M1: 104,419 km (0.12 R)
• M2: 403,166 km (0.092 R)
• M3: 1,035,666 km (0.101 R)
• M4: 1,505,403 km (0.098 R)
• M5: 1,846,487 km (0.073 R)
• M6: 2,371,575 km (0.081 R)
• M7: 2,702,336 km (0.095 R)
• M8: 3,010,358 km (0.065 R)
• M9: 3,842,721 km (0.039 R)
• M10: 5,197,928 km (0.106 R)
• M11: 5,731,693 km (0.113 R)
• M12: 6,331,131 km (0.12 R)
• M13: 8,029,815 km (0.105 R)
• M14: 9,002,949 km (0.084 R)
• M15: 9,972,194 km (0.058 R)
• M16: 11,531,901 km (0.084 R)
• M17: 14,243,363 km (0.09 R)
• M18: 14,603,295 km (0.102 R)
• M19: 14,969,212 km (0.109 R)
• M20: 18,421,931 km (0.079 R)
• M21: 21,960,519 km (0.075 R)
• M22: 22,718,830 km (0.075 R)
• M23: 23,423,287 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696

Radius: 10.7

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.92 AU - 5.92 AU

Year: 7046 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 81,993,131 km

• M1: 133,142 km (0.11 R)
• M2: 639,232 km (0.11 R)
• M3: 1,089,521 km (0.063 R)
• M4: 1,735,634 km (0.039 R)
• M5: 2,269,400 km (0.095 R)
• M6: 2,640,402 km (0.109 R)
• M7: 3,328,253 km (0.042 R)
• M8: 4,552,114 km (0.097 R)
• M9: 5,858,402 km (0.047 R)
• M10: 7,902,807 km (0.074 R)
• M11: 8,387,504 km (0.104 R)
• M12: 11,723,836 km (0.097 R)
• M13: 13,570,771 km (0.068 R)
• M14: 13,973,788 km (0.064 R)
• M15: 14,503,813 km (0.104 R)
• M16: 15,856,028 km (0.088 R)
• M17: 16,497,653 km (0.09 R)
• M18: 16,957,068 km (0.045 R)
• M19: 17,696,231 km (0.098 R)
• M20: 19,023,464 km (0.103 R)
• M21: 19,674,813 km (0.1 R)
• M22: 21,875,098 km (0.075 R)
• M23: 22,270,336 km (0.073 R)
• M24: 23,650,077 km (0.092 R)
• M25: 24,403,302 km (0.045 R)
• M26: 25,957,475 km (0.077 R)
• M27: 28,598,775 km (0.119 R)
• M28: 30,916,195 km (0.103 R)
• M29: 33,355,987 km (0.077 R)
• M30: 33,774,711 km (0.111 R)
• M31: 36,141,050 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.5

Radius: 5.5

Gravity: 24.25 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 5.46 AU - 6.84 AU

Year: 9848 Days

Day: 23.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,993,131 km

• M1: 68,665 km (0.063 R)
• M2: 294,109 km (0.114 R)
• M3: 492,177 km (0.094 R)
• M4: 665,860 km (0.089 R)
• M5: 910,453 km (0.097 R)
• M6: 2,007,304 km (0.094 R)
• M7: 2,707,123 km (0.109 R)
• M8: 3,010,508 km (0.066 R)
• M9: 3,264,525 km (0.12 R)
• M10: 3,583,019 km (0.12 R)
• M11: 4,030,615 km (0.105 R)
• M12: 4,397,579 km (0.072 R)
• M13: 4,634,093 km (0.072 R)
• M14: 5,947,263 km (0.1 R)
• M15: 6,163,582 km (0.074 R)
• M16: 8,176,720 km (0.092 R)
• M17: 8,354,592 km (0.027 R)
• M18: 8,672,039 km (0.097 R)
• M19: 8,903,766 km (0.109 R)
• M20: 9,187,254 km (0.108 R)
• M21: 10,962,382 km (0.092 R)
• M22: 12,537,798 km (0.116 R)
• M23: 12,715,071 km (0.086 R)
• M24: 13,502,853 km (0.1 R)
• M25: 16,060,678 km (0.113 R)
• M26: 16,836,642 km (0.104 R)
• M27: 19,079,563 km (0.089 R)
• M28: 19,392,970 km (0.114 R)
• M29: 19,949,624 km (0.059 R)
• M30: 23,425,830 km (0.096 R)
• M31: 26,307,534 km (0.103 R)
• M32: 27,285,305 km (0.066 R)
• M33: 29,002,689 km (0.085 R)
• M34: 36,956,658 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 466.8

Radius: 6.4

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.85 AU - 11.01 AU

Year: 18697 Days

Day: 22.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,993,131 km

• M1: 108,758 km (0.099 R)
• M2: 308,620 km (0.099 R)
• M3: 751,131 km (0.08 R)
• M4: 1,190,500 km (0.081 R)
• M5: 1,438,533 km (0.069 R)
• M6: 1,823,299 km (0.111 R)
• M7: 2,592,681 km (0.071 R)
• M8: 5,306,386 km (0.063 R)
• M9: 7,150,629 km (0.117 R)
• M10: 10,833,878 km (0.093 R)
• M11: 11,188,275 km (0.091 R)
• M12: 12,619,328 km (0.079 R)
• M13: 13,684,166 km (0.106 R)
• M14: 16,220,000 km (0.053 R)
• M15: 20,183,894 km (0.084 R)
• M16: 21,543,889 km (0.089 R)
• M17: 22,293,673 km (0.035 R)
• M18: 27,053,578 km (0.062 R)
• M19: 32,327,501 km (0.065 R)
• M20: 37,036,543 km (0.093 R)
• M21: 38,794,019 km (0.1 R)
• M22: 41,749,175 km (0.079 R)
• M23: 45,154,172 km (0.094 R)
• M24: 46,535,559 km (0.094 R)
• M25: 48,103,046 km (0.108 R)
• M26: 48,739,884 km (0.119 R)
• M27: 49,705,538 km (0.07 R)
• M28: 50,519,949 km (0.039 R)
• M29: 53,355,427 km (0.044 R)
• M30: 54,553,257 km (0.043 R)
• M31: 55,245,746 km (0.078 R)
• M32: 55,594,159 km (0.076 R)
• M33: 63,635,194 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 837.4

Radius: 5.8

Gravity: 24.89 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 7.76 AU - 12.12 AU

Year: 20235 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,993,131 km

• M1: 73,004 km (0.106 R)
• M2: 354,248 km (0.115 R)
• M3: 607,816 km (0.113 R)
• M4: 2,731,358 km (0.032 R)
• M5: 3,070,048 km (0.095 R)
• M6: 3,799,487 km (0.09 R)
• M7: 4,820,343 km (0.05 R)
• M8: 6,861,905 km (0.081 R)
• M9: 9,592,515 km (0.097 R)
• M10: 13,043,588 km (0.107 R)
• M11: 14,305,147 km (0.118 R)
• M12: 15,243,275 km (0.119 R)
• M13: 15,809,204 km (0.066 R)
• M14: 18,303,299 km (0.1 R)
• M15: 20,361,766 km (0.047 R)
• M16: 26,058,603 km (0.11 R)
• M17: 28,050,798 km (0.11 R)
• M18: 28,533,849 km (0.105 R)
• M19: 29,392,541 km (0.103 R)
• M20: 35,891,671 km (0.11 R)
• M21: 39,247,749 km (0.083 R)
• M22: 44,583,008 km (0.085 R)
• M23: 53,646,245 km (0.106 R)
• M24: 57,629,438 km (0.084 R)
• M25: 66,391,834 km (0.082 R)
• M26: 74,377,668 km (0.094 R)
• M27: 75,768,030 km (0.098 R)
• M28: 78,361,758 km (0.096 R)
• M29: 78,600,367 km (0.116 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: 279 - 11,354 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit