🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.55 AU - 0.81 AU

Year: 215 Days

Day: 24.4 Hours

Environment

Temp: 173 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.83

Radius: 0.93

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.96 AU - 1.02 AU

Year: 377 Days

Day: 15.9 Hours

Environment

Temp: 10 °C

Axial Tilt: 36.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 29,054,474 km

• M1: 24,384 km (0.056 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.83 AU - 3.09 AU

Year: 1950 Days

Day: 30.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.3

Radius: 12.7

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.5 AU - 5.76 AU

Year: 3815 Days

Day: 5 Hours

Environment

Temp: -134 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,054,474 km

• M1: 157,975 km (0.111 R)
• M2: 627,264 km (0.115 R)
• M3: 1,134,999 km (0.111 R)
• M4: 1,565,991 km (0.07 R)
• M5: 2,236,787 km (0.105 R)
• M6: 2,912,521 km (0.088 R)
• M7: 3,679,060 km (0.078 R)
• M8: 4,409,248 km (0.065 R)
• M9: 5,154,993 km (0.116 R)
• M10: 5,983,316 km (0.101 R)
• M11: 7,157,510 km (0.056 R)
• M12: 7,904,452 km (0.06 R)
• M13: 8,406,353 km (0.103 R)
• M14: 10,124,185 km (0.046 R)
• M15: 10,977,941 km (0.098 R)
• M16: 11,832,892 km (0.09 R)
• M17: 12,635,186 km (0.055 R)
• M18: 15,536,038 km (0.047 R)
• M19: 18,354,163 km (0.065 R)
• M20: 23,195,898 km (0.09 R)
• M21: 26,779,216 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.6

Radius: 9.8

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.8 AU - 5.16 AU

Year: 4255 Days

Day: 9.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 29,054,474 km

• M1: 121,922 km (0.034 R)
• M2: 590,014 km (0.103 R)
• M3: 1,107,623 km (0.066 R)
• M4: 2,367,386 km (0.115 R)
• M5: 3,158,909 km (0.102 R)
• M6: 3,822,375 km (0.092 R)
• M7: 5,231,438 km (0.11 R)
• M8: 5,888,471 km (0.074 R)
• M9: 7,898,319 km (0.07 R)
• M10: 9,278,958 km (0.052 R)
• M11: 9,689,454 km (0.044 R)
• M12: 10,679,942 km (0.112 R)
• M13: 12,119,971 km (0.117 R)
• M14: 12,962,506 km (0.092 R)
• M15: 13,372,254 km (0.052 R)
• M16: 15,098,614 km (0.057 R)
• M17: 16,847,413 km (0.108 R)
• M18: 17,959,374 km (0.069 R)
• M19: 21,233,623 km (0.093 R)
• M20: 22,456,884 km (0.047 R)
• M21: 22,899,544 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 8.1

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.32 AU - 7.98 AU

Year: 8101 Days

Day: 7.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 29,054,474 km

• M1: 100,679 km (0.072 R)
• M2: 394,789 km (0.057 R)
• M3: 872,904 km (0.101 R)
• M4: 1,231,789 km (0.074 R)
• M5: 1,791,285 km (0.09 R)
• M6: 3,751,316 km (0.067 R)
• M7: 4,144,011 km (0.085 R)
• M8: 5,262,554 km (0.028 R)
• M9: 5,688,010 km (0.075 R)
• M10: 6,278,623 km (0.08 R)
• M11: 6,533,537 km (0.106 R)
• M12: 8,428,344 km (0.066 R)
• M13: 8,965,400 km (0.091 R)
• M14: 9,572,768 km (0.105 R)
• M15: 10,009,145 km (0.04 R)
• M16: 10,921,692 km (0.086 R)
• M17: 12,449,834 km (0.116 R)
• M18: 14,490,798 km (0.107 R)
• M19: 15,790,354 km (0.092 R)
• M20: 21,194,727 km (0.11 R)
• M21: 25,812,365 km (0.109 R)
• M22: 27,424,880 km (0.083 R)
• M23: 28,107,944 km (0.066 R)
• M24: 28,602,664 km (0.109 R)
• M25: 30,432,246 km (0.065 R)
• M26: 32,015,440 km (0.084 R)
• M27: 34,098,591 km (0.063 R)
• M28: 36,270,453 km (0.102 R)
• M29: 39,266,449 km (0.084 R)
• M30: 41,522,983 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118.7

Radius: 8.7

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.53 AU - 11.17 AU

Year: 10947 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 126.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 29,054,474 km

• M1: 108,159 km (0.117 R)
• M2: 593,754 km (0.113 R)
• M3: 2,203,128 km (0.077 R)
• M4: 5,020,953 km (0.043 R)
• M5: 7,178,603 km (0.107 R)
• M6: 8,574,651 km (0.113 R)
• M7: 12,229,028 km (0.103 R)
• M8: 13,321,242 km (0.025 R)
• M9: 15,927,984 km (0.117 R)
• M10: 17,168,600 km (0.116 R)
• M11: 18,986,064 km (0.089 R)
• M12: 25,281,741 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.2

Radius: 6.2

Gravity: 14.94 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 12.6 AU - 12.98 AU

Year: 17514 Days

Day: 21.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 29,054,474 km

• M1: 77,193 km (0.085 R)
• M2: 350,807 km (0.095 R)
• M3: 571,015 km (0.104 R)
• M4: 906,713 km (0.059 R)
• M5: 1,901,688 km (0.036 R)
• M6: 2,226,316 km (0.035 R)
• M7: 3,591,546 km (0.088 R)
• M8: 5,006,143 km (0.08 R)
• M9: 5,702,372 km (0.093 R)
• M10: 7,017,935 km (0.061 R)
• M11: 7,652,679 km (0.079 R)
• M12: 10,008,546 km (0.038 R)
• M13: 10,870,828 km (0.08 R)
• M14: 11,781,730 km (0.058 R)
• M15: 12,676,774 km (0.111 R)
• M16: 13,754,178 km (0.083 R)
• M17: 17,841,192 km (0.066 R)
• M18: 18,592,921 km (0.115 R)
• M19: 28,755,553 km (0.097 R)
• M20: 33,532,961 km (0.103 R)
• M21: 37,309,559 km (0.103 R)
• M22: 38,813,317 km (0.101 R)
• M23: 40,928,332 km (0.088 R)
• M24: 42,087,117 km (0.091 R)
• M25: 44,621,903 km (0.068 R)
• M26: 47,891,514 km (0.09 R)
• M27: 51,150,504 km (0.092 R)
• M28: 53,689,629 km (0.026 R)
• M29: 59,753,429 km (0.108 R)
• M30: 60,309,484 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.1

Radius: 6.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 14.19 AU - 15.41 AU

Year: 21800 Days

Day: 16.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 29,054,474 km

• M1: 79,586 km (0.11 R)
• M2: 480,209 km (0.118 R)
• M3: 1,745,957 km (0.116 R)
• M4: 3,991,421 km (0.115 R)
• M5: 4,491,676 km (0.102 R)
• M6: 6,152,212 km (0.113 R)
• M7: 6,495,988 km (0.054 R)
• M8: 8,334,247 km (0.093 R)
• M9: 11,868,646 km (0.109 R)
• M10: 12,648,799 km (0.065 R)
• M11: 13,204,705 km (0.098 R)
• M12: 16,827,367 km (0.046 R)
• M13: 17,253,122 km (0.117 R)
• M14: 21,131,896 km (0.088 R)
• M15: 21,343,427 km (0.07 R)
• M16: 23,310,639 km (0.09 R)
• M17: 27,685,779 km (0.082 R)
• M18: 28,193,963 km (0.106 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 12,555 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit