🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.54

Radius: 1.66

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.51 AU - 0.55 AU

Year: 253 Days

Day: 34 Hours

Environment

Temp: -112 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.9

Radius: 9.9

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.13 AU - 1.63 AU

Year: 1063 Days

Day: 14.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,035,436 km

• M1: 126,859 km (0.104 R)
• M2: 549,772 km (0.088 R)
• M3: 895,493 km (0.051 R)
• M4: 1,415,046 km (0.083 R)
• M5: 1,749,846 km (0.045 R)
• M6: 2,306,799 km (0.117 R)
• M7: 3,175,963 km (0.071 R)
• M8: 3,823,722 km (0.113 R)
• M9: 4,231,974 km (0.106 R)
• M10: 5,217,525 km (0.045 R)
• M11: 5,807,988 km (0.071 R)
• M12: 6,372,271 km (0.079 R)
• M13: 7,663,151 km (0.096 R)
• M14: 8,093,394 km (0.096 R)
• M15: 9,120,683 km (0.106 R)
• M16: 9,542,848 km (0.095 R)
• M17: 10,329,284 km (0.041 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172

Radius: 12.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.31 AU - 2.13 AU

Year: 1480 Days

Day: 11 Hours

Environment

Temp: -182 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,035,436 km

• M1: 160,369 km (0.096 R)
• M2: 630,405 km (0.12 R)
• M3: 1,980,227 km (0.091 R)
• M4: 2,524,913 km (0.048 R)
• M5: 3,362,661 km (0.078 R)
• M6: 3,934,873 km (0.074 R)
• M7: 4,393,989 km (0.101 R)
• M8: 5,607,078 km (0.091 R)
• M9: 6,623,296 km (0.115 R)
• M10: 7,186,981 km (0.075 R)
• M11: 7,595,682 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.4

Radius: 11.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.72 AU - 1.76 AU

Year: 1506 Days

Day: 13 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,035,436 km

• M1: 146,756 km (0.061 R)
• M2: 538,104 km (0.051 R)
• M3: 1,192,594 km (0.047 R)
• M4: 1,865,934 km (0.076 R)
• M5: 2,347,191 km (0.059 R)
• M6: 3,955,069 km (0.039 R)
• M7: 4,572,010 km (0.119 R)
• M8: 5,071,517 km (0.043 R)
• M9: 5,588,228 km (0.084 R)
• M10: 6,242,270 km (0.052 R)
• M11: 7,192,815 km (0.101 R)
• M12: 7,632,035 km (0.088 R)
• M13: 8,163,107 km (0.071 R)
• M14: 8,641,521 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 211.2

Radius: 13

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.47 AU - 2.43 AU

Year: 1786 Days

Day: 14.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,035,436 km

• M1: 162,014 km (0.087 R)
• M2: 591,360 km (0.069 R)
• M3: 1,070,672 km (0.103 R)
• M4: 1,658,143 km (0.105 R)
• M5: 2,134,163 km (0.072 R)
• M6: 3,841,374 km (0.097 R)
• M7: 4,291,514 km (0.057 R)
• M8: 5,594,063 km (0.114 R)
• M9: 6,370,027 km (0.114 R)
• M10: 7,433,518 km (0.114 R)
• M11: 9,502,756 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.1

Radius: 10.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 2.86 AU - 3.8 AU

Year: 3986 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,035,436 km

• M1: 137,331 km (0.11 R)
• M2: 534,364 km (0.106 R)
• M3: 882,328 km (0.104 R)
• M4: 1,388,268 km (0.037 R)
• M5: 1,738,178 km (0.114 R)
• M6: 3,701,351 km (0.106 R)
• M7: 4,191,284 km (0.117 R)
• M8: 5,276,766 km (0.101 R)
• M9: 6,089,381 km (0.117 R)
• M10: 6,715,149 km (0.11 R)
• M11: 7,043,816 km (0.077 R)
• M12: 9,138,635 km (0.084 R)
• M13: 10,869,033 km (0.093 R)
• M14: 11,833,341 km (0.108 R)
• M15: 13,221,909 km (0.098 R)
• M16: 15,948,180 km (0.035 R)
• M17: 19,028,999 km (0.115 R)
• M18: 21,504,544 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.9

Radius: 10.8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.11 AU - 4.25 AU

Year: 4631 Days

Day: 11.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,035,436 km

• M1: 140,772 km (0.058 R)
• M2: 559,346 km (0.073 R)
• M3: 983,008 km (0.106 R)
• M4: 1,319,154 km (0.084 R)
• M5: 1,671,457 km (0.081 R)
• M6: 2,376,063 km (0.074 R)
• M7: 2,942,740 km (0.05 R)
• M8: 3,597,679 km (0.106 R)
• M9: 4,017,301 km (0.089 R)
• M10: 4,444,852 km (0.051 R)
• M11: 4,902,621 km (0.097 R)
• M12: 5,476,479 km (0.064 R)
• M13: 5,883,535 km (0.117 R)
• M14: 7,682,449 km (0.118 R)
• M15: 8,534,110 km (0.115 R)
• M16: 11,943,146 km (0.063 R)
• M17: 16,168,388 km (0.113 R)
• M18: 18,324,094 km (0.102 R)
• M19: 18,908,124 km (0.045 R)
• M20: 23,424,633 km (0.041 R)
• M21: 24,814,098 km (0.094 R)
• M22: 26,421,378 km (0.101 R)
• M23: 28,354,332 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 9.2

Gravity: 9.59 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.17 AU - 4.77 AU

Year: 5189 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,035,436 km

• M1: 114,442 km (0.088 R)
• M2: 565,630 km (0.097 R)
• M3: 894,146 km (0.085 R)
• M4: 1,808,489 km (0.057 R)
• M5: 2,532,991 km (0.044 R)
• M6: 3,503,582 km (0.083 R)
• M7: 4,343,574 km (0.104 R)
• M8: 6,320,211 km (0.096 R)
• M9: 7,856,731 km (0.027 R)
• M10: 12,046,518 km (0.102 R)
• M11: 12,502,792 km (0.092 R)
• M12: 12,813,357 km (0.101 R)
• M13: 16,702,901 km (0.119 R)
• M14: 20,374,781 km (0.111 R)
• M15: 21,983,108 km (0.065 R)
• M16: 22,818,313 km (0.044 R)
• M17: 24,794,949 km (0.026 R)
• M18: 26,034,218 km (0.083 R)
• M19: 29,999,609 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.9

Radius: 7.1

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 9.48 AU - 10.68 AU

Year: 20994 Days

Day: 17.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,035,436 km

• M1: 97,089 km (0.103 R)
• M2: 1,401,582 km (0.112 R)
• M3: 1,934,001 km (0.095 R)
• M4: 4,022,388 km (0.091 R)
• M5: 5,980,773 km (0.099 R)
• M6: 7,048,603 km (0.063 R)
• M7: 10,140,641 km (0.062 R)
• M8: 11,434,513 km (0.094 R)
• M9: 12,603,621 km (0.101 R)
• M10: 18,748,652 km (0.117 R)
• M11: 19,432,165 km (0.04 R)
• M12: 22,587,334 km (0.067 R)
• M13: 25,510,775 km (0.053 R)
• M14: 31,774,588 km (0.049 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: 390 - 11,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit