🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.45 AU - 0.63 AU

Year: 252 Days

Day: 16.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245.6

Radius: 8.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.76 AU - 0.94 AU

Year: 498 Days

Day: 6.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 21,783,448 km

• M1: 111,151 km (0.054 R)
• M2: 168,746 km (0.095 R)
• M3: 224,247 km (0.066 R)
• M4: 293,062 km (0.083 R)
• M5: 364,271 km (0.053 R)
• M6: 440,117 km (0.034 R)
• M7: 534,513 km (0.11 R)
• M8: 679,922 km (0.117 R)
• M9: 738,565 km (0.115 R)
• M10: 820,694 km (0.095 R)
• M11: 891,155 km (0.092 R)
• M12: 959,970 km (0.118 R)
• M13: 1,098,946 km (0.113 R)
• M14: 1,232,088 km (0.052 R)
• M15: 1,318,107 km (0.039 R)
• M16: 1,392,906 km (0.1 R)
• M17: 1,583,942 km (0.073 R)
• M18: 1,720,824 km (0.085 R)
• M19: 1,798,166 km (0.076 R)
• M20: 1,961,378 km (0.073 R)
• M21: 2,062,655 km (0.034 R)
• M22: 2,186,522 km (0.117 R)
• M23: 2,350,332 km (0.065 R)
• M24: 2,458,192 km (0.101 R)
• M25: 2,584,154 km (0.077 R)
• M26: 2,740,633 km (0.11 R)
• M27: 2,911,773 km (0.061 R)
• M28: 2,998,689 km (0.118 R)
• M29: 3,057,032 km (0.081 R)
• M30: 3,115,824 km (0.094 R)
• M31: 3,336,781 km (0.083 R)
• M32: 3,446,137 km (0.114 R)
• M33: 3,618,623 km (0.027 R)
• M34: 3,674,722 km (0.084 R)
• M35: 3,775,102 km (0.07 R)
• M36: 3,838,382 km (0.085 R)
• M37: 3,927,393 km (0.062 R)
• M38: 4,146,703 km (0.094 R)
• M39: 4,284,184 km (0.057 R)
• M40: 4,383,367 km (0.112 R)
• M41: 4,443,206 km (0.112 R)
• M42: 4,604,174 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.4

Radius: 11

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.9 AU - 0.94 AU

Year: 561 Days

Day: 9 Hours

Environment

Temp: -160 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 21,783,448 km

• M1: 150,495 km (0.072 R)
• M2: 229,633 km (0.099 R)
• M3: 332,855 km (0.085 R)
• M4: 412,142 km (0.093 R)
• M5: 519,553 km (0.113 R)
• M6: 613,501 km (0.096 R)
• M7: 773,421 km (0.083 R)
• M8: 897,737 km (0.111 R)
• M9: 966,253 km (0.061 R)
• M10: 1,128,566 km (0.043 R)
• M11: 1,247,347 km (0.102 R)
• M12: 1,341,444 km (0.088 R)
• M13: 1,523,954 km (0.109 R)
• M14: 1,598,453 km (0.117 R)
• M15: 1,732,942 km (0.065 R)
• M16: 1,806,394 km (0.062 R)
• M17: 1,927,868 km (0.053 R)
• M18: 2,018,524 km (0.116 R)
• M19: 2,130,274 km (0.1 R)
• M20: 2,299,170 km (0.088 R)
• M21: 2,375,165 km (0.099 R)
• M22: 2,483,025 km (0.083 R)
• M23: 2,603,003 km (0.104 R)
• M24: 2,677,054 km (0.095 R)
• M25: 2,821,865 km (0.111 R)
• M26: 2,920,001 km (0.115 R)
• M27: 3,091,440 km (0.096 R)
• M28: 3,187,033 km (0.11 R)
• M29: 3,295,043 km (0.085 R)
• M30: 3,473,812 km (0.06 R)
• M31: 3,661,707 km (0.111 R)
• M32: 3,733,065 km (0.036 R)
• M33: 3,816,990 km (0.11 R)
• M34: 3,913,630 km (0.076 R)
• M35: 3,992,767 km (0.111 R)
• M36: 4,078,487 km (0.108 R)
• M37: 4,220,904 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.3

Radius: 14.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.59 AU - 2.65 AU

Year: 2696 Days

Day: 8.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 21,783,448 km

• M1: 186,399 km (0.091 R)
• M2: 476,768 km (0.082 R)
• M3: 690,095 km (0.104 R)
• M4: 886,517 km (0.118 R)
• M5: 1,114,654 km (0.097 R)
• M6: 1,218,774 km (0.116 R)
• M7: 1,400,236 km (0.105 R)
• M8: 1,539,362 km (0.108 R)
• M9: 1,818,661 km (0.107 R)
• M10: 1,957,638 km (0.081 R)
• M11: 2,071,482 km (0.117 R)
• M12: 2,231,851 km (0.096 R)
• M13: 2,381,449 km (0.065 R)
• M14: 2,488,112 km (0.059 R)
• M15: 2,675,109 km (0.094 R)
• M16: 3,096,227 km (0.107 R)
• M17: 3,196,458 km (0.111 R)
• M18: 3,608,600 km (0.078 R)
• M19: 3,947,289 km (0.095 R)
• M20: 4,221,951 km (0.043 R)
• M21: 4,427,499 km (0.113 R)
• M22: 4,848,617 km (0.095 R)
• M23: 4,946,154 km (0.119 R)
• M24: 5,302,796 km (0.062 R)
• M25: 5,688,459 km (0.102 R)
• M26: 5,978,529 km (0.08 R)
• M27: 6,294,779 km (0.087 R)
• M28: 6,616,564 km (0.101 R)
• M29: 7,165,140 km (0.089 R)
• M30: 7,523,875 km (0.113 R)
• M31: 7,728,376 km (0.116 R)
• M32: 7,888,595 km (0.066 R)
• M33: 8,611,901 km (0.086 R)
• M34: 8,778,104 km (0.069 R)
• M35: 8,897,633 km (0.065 R)
• M36: 9,625,576 km (0.085 R)
• M37: 9,773,528 km (0.062 R)
• M38: 9,922,228 km (0.111 R)
• M39: 10,071,677 km (0.082 R)
• M40: 10,702,531 km (0.117 R)
• M41: 11,087,147 km (0.117 R)
• M42: 12,563,379 km (0.119 R)
• M43: 13,132,898 km (0.117 R)
• M44: 13,297,156 km (0.115 R)
• M45: 13,933,246 km (0.102 R)
• M46: 14,494,388 km (0.109 R)
• M47: 15,177,602 km (0.085 R)
• M48: 15,350,088 km (0.109 R)
• M49: 15,465,428 km (0.046 R)
• M50: 15,581,067 km (0.085 R)
• M51: 16,017,294 km (0.108 R)
• M52: 16,487,032 km (0.076 R)
• M53: 17,170,245 km (0.068 R)
• M54: 18,014,426 km (0.083 R)
• M55: 18,349,824 km (0.106 R)
• M56: 18,595,015 km (0.069 R)
• M57: 18,964,971 km (0.1 R)
• M58: 19,057,722 km (0.085 R)
• M59: 19,430,669 km (0.095 R)
• M60: 19,586,849 km (0.092 R)
• M61: 20,026,069 km (0.117 R)
• M62: 20,278,590 km (0.072 R)
• M63: 20,691,181 km (0.043 R)
• M64: 21,234,969 km (0.058 R)
• M65: 21,395,787 km (0.056 R)
• M66: 21,524,740 km (0.056 R)
• M67: 21,783,395 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 17,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit