🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.78

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.66 AU - 0.78 AU

Year: 233 Days

Day: 16 Hours

Environment

Temp: 147 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.52 AU - 2.28 AU

Year: 997 Days

Day: 43.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 36.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 20,322,116 km

• M1: 52,958 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571

Radius: 10.2

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 5.85 AU - 6.01 AU

Year: 5499 Days

Day: 7.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 20,322,116 km

• M1: 246,088 km (0.098 R)
• M2: 414,685 km (0.025 R)
• M3: 558,898 km (0.118 R)
• M4: 638,035 km (0.067 R)
• M5: 733,778 km (0.098 R)
• M6: 887,265 km (0.097 R)
• M7: 1,411,755 km (0.113 R)
• M8: 1,475,334 km (0.114 R)
• M9: 1,572,872 km (0.058 R)
• M10: 2,258,928 km (0.049 R)
• M11: 2,663,440 km (0.109 R)
• M12: 2,823,660 km (0.116 R)
• M13: 3,238,196 km (0.09 R)
• M14: 3,783,330 km (0.117 R)
• M15: 3,850,649 km (0.084 R)
• M16: 3,941,156 km (0.105 R)
• M17: 4,009,373 km (0.094 R)
• M18: 4,286,727 km (0.089 R)
• M19: 5,432,048 km (0.059 R)
• M20: 6,183,778 km (0.085 R)
• M21: 6,639,602 km (0.116 R)
• M22: 7,217,648 km (0.057 R)
• M23: 7,840,724 km (0.084 R)
• M24: 8,071,553 km (0.079 R)
• M25: 8,187,791 km (0.091 R)
• M26: 8,392,590 km (0.102 R)
• M27: 8,510,324 km (0.066 R)
• M28: 8,747,586 km (0.107 R)
• M29: 8,837,195 km (0.075 R)
• M30: 9,228,693 km (0.1 R)
• M31: 9,441,870 km (0.087 R)
• M32: 10,279,468 km (0.113 R)
• M33: 10,405,579 km (0.105 R)
• M34: 10,851,082 km (0.119 R)
• M35: 11,531,004 km (0.092 R)
• M36: 11,596,528 km (0.05 R)
• M37: 11,793,698 km (0.077 R)
• M38: 11,859,670 km (0.086 R)
• M39: 11,925,793 km (0.108 R)
• M40: 12,158,118 km (0.069 R)
• M41: 12,931,988 km (0.089 R)
• M42: 13,307,778 km (0.114 R)
• M43: 14,104,985 km (0.06 R)
• M44: 14,456,540 km (0.107 R)
• M45: 15,132,273 km (0.093 R)
• M46: 15,636,867 km (0.032 R)
• M47: 15,782,127 km (0.086 R)
• M48: 15,854,831 km (0.119 R)
• M49: 16,146,996 km (0.111 R)
• M50: 16,220,299 km (0.06 R)
• M51: 16,293,751 km (0.12 R)
• M52: 16,885,261 km (0.104 R)
• M53: 17,146,160 km (0.079 R)
• M54: 18,203,368 km (0.06 R)
• M55: 18,356,108 km (0.097 R)
• M56: 18,509,296 km (0.112 R)
• M57: 19,165,133 km (0.119 R)
• M58: 19,242,774 km (0.104 R)
• M59: 19,320,565 km (0.112 R)
• M60: 19,946,333 km (0.099 R)
• M61: 20,025,021 km (0.082 R)
• M62: 20,539,189 km (0.12 R)
• M63: 21,419,124 km (0.063 R)
• M64: 21,742,106 km (0.063 R)
• M65: 22,311,176 km (0.075 R)
• M66: 23,964,382 km (0.025 R)
• M67: 24,299,631 km (0.104 R)
• M68: 24,467,929 km (0.054 R)
• M69: 25,144,859 km (0.109 R)
• M70: 26,560,354 km (0.06 R)
• M71: 27,430,714 km (0.027 R)
• M72: 27,562,061 km (0.106 R)
• M73: 27,649,875 km (0.063 R)
• M74: 27,957,448 km (0.092 R)
• M75: 28,487,623 km (0.096 R)
• M76: 29,199,560 km (0.081 R)
• M77: 29,827,422 km (0.12 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.3

Radius: 7.1

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.53 AU - 14.53 AU

Year: 16890 Days

Day: 23.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 20,322,116 km

• M1: 209,587 km (0.088 R)
• M2: 961,166 km (0.044 R)
• M3: 1,148,164 km (0.117 R)
• M4: 1,844,093 km (0.105 R)
• M5: 2,678,400 km (0.034 R)
• M6: 2,848,493 km (0.107 R)
• M7: 3,215,606 km (0.107 R)
• M8: 4,313,954 km (0.112 R)
• M9: 5,893,408 km (0.07 R)
• M10: 5,953,546 km (0.116 R)
• M11: 6,380,349 km (0.102 R)
• M12: 7,697,409 km (0.077 R)
• M13: 8,006,179 km (0.1 R)
• M14: 10,740,678 km (0.115 R)
• M15: 11,309,300 km (0.075 R)
• M16: 11,559,577 km (0.089 R)
• M17: 11,887,795 km (0.072 R)
• M18: 12,142,261 km (0.107 R)
• M19: 12,942,460 km (0.082 R)
• M20: 13,812,970 km (0.113 R)
• M21: 14,784,159 km (0.044 R)
• M22: 14,838,762 km (0.084 R)
• M23: 15,140,202 km (0.1 R)
• M24: 15,222,780 km (0.076 R)
• M25: 15,693,565 km (0.103 R)
• M26: 15,805,015 km (0.104 R)
• M27: 19,150,023 km (0.085 R)
• M28: 19,538,080 km (0.118 R)
• M29: 19,658,058 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 19,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit