🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.45 AU - 0.57 AU

Year: 232 Days

Day: 21.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,781,538 km

• M1: 152,141 km (0.103 R)
• M2: 220,058 km (0.074 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.44 AU - 0.7 AU

Year: 274 Days

Day: 29 Hours

Environment

Temp: -131 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 54,781,538 km

• M1: 300,542 km (0.03 R)
• M2: 454,478 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.7

Radius: 10.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.65 AU - 0.97 AU

Year: 464 Days

Day: 13.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,781,538 km

• M1: 126,859 km (0.109 R)
• M2: 445,353 km (0.119 R)
• M3: 839,992 km (0.034 R)
• M4: 1,213,688 km (0.087 R)
• M5: 1,625,830 km (0.117 R)
• M6: 2,018,374 km (0.041 R)
• M7: 2,340,010 km (0.103 R)
• M8: 3,054,489 km (0.097 R)
• M9: 3,619,969 km (0.041 R)
• M10: 4,127,256 km (0.104 R)
• M11: 4,560,641 km (0.119 R)
• M12: 5,519,114 km (0.057 R)
• M13: 6,082,649 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.8

Radius: 14.9

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.88 AU - 1.28 AU

Year: 714 Days

Day: 7.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,781,538 km

• M1: 185,352 km (0.061 R)
• M2: 663,317 km (0.079 R)
• M3: 1,151,604 km (0.085 R)
• M4: 1,735,634 km (0.116 R)
• M5: 2,734,051 km (0.087 R)
• M6: 3,416,965 km (0.045 R)
• M7: 4,493,920 km (0.112 R)
• M8: 5,368,469 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923.5

Radius: 9.3

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.28 AU - 2 AU

Year: 1335 Days

Day: 8 Hours

Environment

Temp: -185 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,781,538 km

• M1: 115,639 km (0.045 R)
• M2: 471,383 km (0.035 R)
• M3: 766,390 km (0.095 R)
• M4: 1,082,041 km (0.053 R)
• M5: 1,450,950 km (0.114 R)
• M6: 1,769,444 km (0.116 R)
• M7: 2,100,803 km (0.104 R)
• M8: 2,656,260 km (0.104 R)
• M9: 3,400,958 km (0.067 R)
• M10: 3,935,471 km (0.103 R)
• M11: 4,881,827 km (0.068 R)
• M12: 5,518,366 km (0.108 R)
• M13: 5,856,906 km (0.112 R)
• M14: 6,161,488 km (0.115 R)
• M15: 6,675,955 km (0.058 R)
• M16: 7,165,888 km (0.117 R)
• M17: 9,118,140 km (0.062 R)
• M18: 10,183,127 km (0.111 R)
• M19: 11,293,143 km (0.063 R)
• M20: 11,803,272 km (0.069 R)
• M21: 13,547,882 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 14.9

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.12 AU - 2.84 AU

Year: 2483 Days

Day: 7.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,781,538 km

• M1: 185,352 km (0.094 R)
• M2: 899,233 km (0.088 R)
• M3: 2,063,104 km (0.107 R)
• M4: 2,582,209 km (0.052 R)
• M5: 3,086,653 km (0.075 R)
• M6: 4,082,077 km (0.115 R)
• M7: 4,636,337 km (0.085 R)
• M8: 5,453,590 km (0.115 R)
• M9: 8,434,178 km (0.086 R)
• M10: 11,957,956 km (0.046 R)
• M11: 12,904,761 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.4

Radius: 13

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.14 AU - 4.22 AU

Year: 4489 Days

Day: 7.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,781,538 km

• M1: 161,865 km (0.089 R)
• M2: 636,389 km (0.026 R)
• M3: 1,123,031 km (0.112 R)
• M4: 1,800,710 km (0.101 R)
• M5: 2,466,270 km (0.115 R)
• M6: 3,069,150 km (0.077 R)
• M7: 3,584,365 km (0.062 R)
• M8: 4,407,901 km (0.102 R)
• M9: 6,018,472 km (0.097 R)
• M10: 6,799,672 km (0.057 R)
• M11: 7,852,841 km (0.118 R)
• M12: 8,861,131 km (0.096 R)
• M13: 9,752,435 km (0.107 R)
• M14: 11,895,574 km (0.083 R)
• M15: 12,500,847 km (0.104 R)
• M16: 13,722,463 km (0.052 R)
• M17: 15,400,502 km (0.072 R)
• M18: 19,287,055 km (0.084 R)
• M19: 20,188,532 km (0.111 R)
• M20: 24,521,485 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434

Radius: 12.6

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.52 AU - 4.8 AU

Year: 5395 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 54,781,538 km

• M1: 157,676 km (0.074 R)
• M2: 655,837 km (0.1 R)
• M3: 1,204,113 km (0.077 R)
• M4: 1,879,697 km (0.094 R)
• M5: 2,866,445 km (0.117 R)
• M6: 3,348,000 km (0.044 R)
• M7: 3,797,392 km (0.101 R)
• M8: 4,310,513 km (0.095 R)
• M9: 4,894,992 km (0.1 R)
• M10: 5,784,650 km (0.055 R)
• M11: 6,374,515 km (0.114 R)
• M12: 7,069,397 km (0.101 R)
• M13: 7,709,676 km (0.092 R)
• M14: 8,425,202 km (0.098 R)
• M15: 9,106,471 km (0.1 R)
• M16: 10,579,412 km (0.086 R)
• M17: 11,193,361 km (0.034 R)
• M18: 11,646,194 km (0.101 R)
• M19: 12,637,280 km (0.086 R)
• M20: 13,128,560 km (0.06 R)
• M21: 13,683,717 km (0.091 R)
• M22: 14,841,006 km (0.118 R)
• M23: 16,005,626 km (0.12 R)
• M24: 18,453,645 km (0.071 R)
• M25: 19,215,099 km (0.109 R)
• M26: 19,799,727 km (0.062 R)
• M27: 23,048,245 km (0.088 R)
• M28: 26,958,135 km (0.062 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.8

Radius: 7.1

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.21 AU - 9.75 AU

Year: 15701 Days

Day: 18 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,781,538 km

• M1: 88,263 km (0.053 R)
• M2: 745,147 km (0.063 R)
• M3: 1,238,222 km (0.051 R)
• M4: 1,717,683 km (0.102 R)
• M5: 4,054,252 km (0.093 R)
• M6: 4,940,470 km (0.088 R)
• M7: 5,876,204 km (0.089 R)
• M8: 6,721,881 km (0.118 R)
• M9: 8,277,101 km (0.113 R)
• M10: 11,493,305 km (0.077 R)
• M11: 12,563,828 km (0.084 R)
• M12: 14,970,259 km (0.09 R)
• M13: 15,955,810 km (0.116 R)
• M14: 18,290,883 km (0.097 R)
• M15: 20,332,744 km (0.117 R)
• M16: 21,017,005 km (0.116 R)
• M17: 29,478,709 km (0.112 R)
• M18: 29,914,637 km (0.108 R)
• M19: 32,970,473 km (0.116 R)
• M20: 42,538,603 km (0.117 R)
• M21: 50,781,296 km (0.047 R)
• M22: 51,880,990 km (0.102 R)
• M23: 52,516,482 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 17,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit