🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.43 AU - 0.71 AU

Year: 282 Days

Day: 25.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 22.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 6,138,827 km

• M1: 186,249 km (0.08 R)
• M2: 632,799 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.3

Radius: 9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.93 AU - 1.09 AU

Year: 666 Days

Day: 6.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 6,138,827 km

• M1: 112,498 km (0.101 R)
• M2: 180,116 km (0.028 R)
• M3: 272,867 km (0.116 R)
• M4: 335,398 km (0.105 R)
• M5: 398,230 km (0.08 R)
• M6: 549,174 km (0.091 R)
• M7: 637,885 km (0.092 R)
• M8: 719,865 km (0.064 R)
• M9: 856,597 km (0.075 R)
• M10: 948,151 km (0.088 R)
• M11: 1,122,882 km (0.116 R)
• M12: 1,238,670 km (0.078 R)
• M13: 1,389,166 km (0.045 R)
• M14: 1,535,323 km (0.057 R)
• M15: 1,659,190 km (0.057 R)
• M16: 1,780,813 km (0.076 R)
• M17: 1,974,841 km (0.088 R)
• M18: 2,033,185 km (0.093 R)
• M19: 2,278,824 km (0.093 R)
• M20: 2,377,409 km (0.05 R)
• M21: 2,439,642 km (0.094 R)
• M22: 2,515,189 km (0.043 R)
• M23: 2,752,900 km (0.109 R)
• M24: 2,811,842 km (0.082 R)
• M25: 2,877,814 km (0.095 R)
• M26: 3,140,359 km (0.102 R)
• M27: 3,257,194 km (0.105 R)
• M28: 3,502,385 km (0.098 R)
• M29: 3,739,199 km (0.097 R)
• M30: 3,833,894 km (0.104 R)
• M31: 3,958,958 km (0.081 R)
• M32: 4,122,768 km (0.089 R)
• M33: 4,258,603 km (0.118 R)
• M34: 4,357,636 km (0.12 R)
• M35: 4,426,601 km (0.1 R)
• M36: 4,777,109 km (0.081 R)
• M37: 4,903,818 km (0.115 R)
• M38: 5,047,881 km (0.073 R)
• M39: 5,233,981 km (0.12 R)
• M40: 5,348,273 km (0.114 R)
• M41: 5,463,464 km (0.103 R)
• M42: 5,696,388 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478

Radius: 11

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.05 AU - 1.25 AU

Year: 809 Days

Day: 14.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 6,138,827 km

• M1: 162,314 km (0.075 R)
• M2: 232,176 km (0.027 R)
• M3: 333,902 km (0.116 R)
• M4: 410,347 km (0.076 R)
• M5: 494,720 km (0.066 R)
• M6: 665,411 km (0.074 R)
• M7: 809,773 km (0.104 R)
• M8: 915,988 km (0.086 R)
• M9: 1,055,712 km (0.064 R)
• M10: 1,221,167 km (0.038 R)
• M11: 1,301,053 km (0.096 R)
• M12: 1,389,166 km (0.076 R)
• M13: 1,466,358 km (0.085 R)
• M14: 1,611,767 km (0.109 R)
• M15: 1,693,149 km (0.095 R)
• M16: 1,783,057 km (0.101 R)
• M17: 1,953,299 km (0.106 R)
• M18: 2,062,356 km (0.092 R)
• M19: 2,143,887 km (0.098 R)
• M20: 2,264,164 km (0.098 R)
• M21: 2,386,984 km (0.088 R)
• M22: 2,559,320 km (0.107 R)
• M23: 2,711,761 km (0.049 R)
• M24: 2,793,142 km (0.09 R)
• M25: 2,900,104 km (0.094 R)
• M26: 3,042,222 km (0.078 R)
• M27: 3,342,316 km (0.118 R)
• M28: 3,580,326 km (0.084 R)
• M29: 3,696,863 km (0.108 R)
• M30: 3,906,449 km (0.097 R)
• M31: 4,091,801 km (0.119 R)
• M32: 4,166,749 km (0.112 R)
• M33: 4,251,571 km (0.104 R)
• M34: 4,365,715 km (0.049 R)
• M35: 4,442,458 km (0.106 R)
• M36: 4,529,225 km (0.077 R)
• M37: 4,655,635 km (0.107 R)
• M38: 4,792,966 km (0.038 R)
• M39: 5,011,678 km (0.109 R)
• M40: 5,092,012 km (0.106 R)
• M41: 5,233,682 km (0.064 R)
• M42: 5,510,737 km (0.069 R)
• M43: 5,739,921 km (0.089 R)
• M44: 5,866,331 km (0.082 R)
• M45: 6,197,092 km (0.112 R)
• M46: 6,588,889 km (0.084 R)
• M47: 6,910,524 km (0.109 R)
• M48: 7,067,602 km (0.052 R)
• M49: 7,203,137 km (0.059 R)
• M50: 7,408,236 km (0.086 R)
• M51: 7,546,016 km (0.078 R)
• M52: 7,661,505 km (0.089 R)
• M53: 7,824,118 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.3

Radius: 12.9

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.57 AU - 2.01 AU

Year: 1571 Days

Day: 7.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 6,138,827 km

• M1: 161,865 km (0.03 R)
• M2: 300,841 km (0.1 R)
• M3: 402,717 km (0.101 R)
• M4: 535,860 km (0.119 R)
• M5: 659,427 km (0.068 R)
• M6: 773,122 km (0.111 R)
• M7: 962,214 km (0.117 R)
• M8: 1,132,905 km (0.073 R)
• M9: 1,242,560 km (0.093 R)
• M10: 1,350,869 km (0.104 R)
• M11: 1,457,083 km (0.12 R)
• M12: 1,599,800 km (0.066 R)
• M13: 1,887,476 km (0.096 R)
• M14: 2,062,207 km (0.109 R)
• M15: 2,223,623 km (0.118 R)
• M16: 2,331,483 km (0.105 R)
• M17: 2,592,382 km (0.085 R)
• M18: 2,773,844 km (0.111 R)
• M19: 2,939,000 km (0.09 R)
• M20: 3,114,328 km (0.095 R)
• M21: 3,257,344 km (0.085 R)
• M22: 3,344,111 km (0.064 R)
• M23: 3,594,388 km (0.089 R)
• M24: 3,790,062 km (0.109 R)
• M25: 4,215,668 km (0.114 R)
• M26: 4,575,301 km (0.105 R)
• M27: 4,820,642 km (0.084 R)
• M28: 4,911,747 km (0.113 R)
• M29: 5,095,603 km (0.059 R)
• M30: 5,188,503 km (0.116 R)
• M31: 5,783,753 km (0.082 R)
• M32: 5,951,452 km (0.089 R)
• M33: 6,058,265 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 11,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit