🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.43 AU - 0.67 AU

Year: 263 Days

Day: 13 Hours

Environment

Temp: -121 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.51 AU - 0.69 AU

Year: 300 Days

Day: 47.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,172,435 km

• M1: 80,334 km (0.099 R)
• M2: 357,988 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 11.7

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.64 AU - 0.96 AU

Year: 462 Days

Day: 8.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 29,172,435 km

• M1: 188,942 km (0.062 R)
• M2: 277,654 km (0.096 R)
• M3: 411,843 km (0.039 R)
• M4: 506,239 km (0.105 R)
• M5: 591,809 km (0.116 R)
• M6: 694,433 km (0.113 R)
• M7: 768,185 km (0.087 R)
• M8: 941,569 km (0.103 R)
• M9: 1,055,862 km (0.076 R)
• M10: 1,236,426 km (0.094 R)
• M11: 1,367,773 km (0.09 R)
• M12: 1,519,466 km (0.042 R)
• M13: 1,676,843 km (0.057 R)
• M14: 1,752,240 km (0.062 R)
• M15: 1,873,115 km (0.041 R)
• M16: 1,957,189 km (0.086 R)
• M17: 2,146,879 km (0.071 R)
• M18: 2,336,569 km (0.111 R)
• M19: 2,439,642 km (0.045 R)
• M20: 2,525,810 km (0.09 R)
• M21: 2,631,726 km (0.058 R)
• M22: 2,758,435 km (0.093 R)
• M23: 2,919,552 km (0.071 R)
• M24: 3,017,838 km (0.098 R)
• M25: 3,292,200 km (0.097 R)
• M26: 3,477,253 km (0.1 R)
• M27: 3,623,709 km (0.065 R)
• M28: 3,708,232 km (0.093 R)
• M29: 3,829,257 km (0.09 R)
• M30: 4,082,675 km (0.099 R)
• M31: 4,185,599 km (0.098 R)
• M32: 4,311,710 km (0.109 R)
• M33: 4,567,821 km (0.116 R)
• M34: 4,644,116 km (0.059 R)
• M35: 4,774,715 km (0.117 R)
• M36: 4,852,207 km (0.086 R)
• M37: 5,008,387 km (0.093 R)
• M38: 5,118,790 km (0.109 R)
• M39: 5,213,935 km (0.087 R)
• M40: 5,365,926 km (0.026 R)
• M41: 5,487,100 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.5

Radius: 11.1

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 3.27 AU - 4.05 AU

Year: 4521 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 29,172,435 km

• M1: 145,409 km (0.036 R)
• M2: 259,702 km (0.06 R)
• M3: 482,304 km (0.066 R)
• M4: 1,125,874 km (0.076 R)
• M5: 1,211,743 km (0.093 R)
• M6: 1,300,005 km (0.117 R)
• M7: 1,390,512 km (0.096 R)
• M8: 1,675,347 km (0.088 R)
• M9: 1,858,604 km (0.037 R)
• M10: 2,013,737 km (0.035 R)
• M11: 2,119,503 km (0.1 R)
• M12: 2,281,816 km (0.054 R)
• M13: 2,355,269 km (0.026 R)
• M14: 2,467,168 km (0.085 R)
• M15: 2,773,993 km (0.102 R)
• M16: 2,912,222 km (0.102 R)
• M17: 3,195,560 km (0.093 R)
• M18: 3,466,781 km (0.089 R)
• M19: 3,811,006 km (0.079 R)
• M20: 3,965,092 km (0.096 R)
• M21: 4,462,953 km (0.062 R)
• M22: 4,532,367 km (0.062 R)
• M23: 4,837,546 km (0.059 R)
• M24: 5,567,285 km (0.115 R)
• M25: 5,717,331 km (0.101 R)
• M26: 5,945,019 km (0.116 R)
• M27: 6,124,238 km (0.042 R)
• M28: 6,383,341 km (0.107 R)
• M29: 6,461,730 km (0.061 R)
• M30: 7,621,413 km (0.085 R)
• M31: 7,872,139 km (0.045 R)
• M32: 7,956,363 km (0.053 R)
• M33: 8,182,555 km (0.088 R)
• M34: 8,267,826 km (0.072 R)
• M35: 8,439,414 km (0.069 R)
• M36: 8,698,967 km (0.094 R)
• M37: 8,844,226 km (0.104 R)
• M38: 9,196,380 km (0.102 R)
• M39: 10,434,003 km (0.104 R)
• M40: 10,619,504 km (0.099 R)
• M41: 10,806,202 km (0.11 R)
• M42: 11,436,159 km (0.102 R)
• M43: 11,691,373 km (0.073 R)
• M44: 11,819,728 km (0.102 R)
• M45: 12,501,445 km (0.119 R)
• M46: 12,632,792 km (0.072 R)
• M47: 13,095,798 km (0.081 R)
• M48: 13,497,318 km (0.113 R)
• M49: 13,936,687 km (0.103 R)
• M50: 14,691,259 km (0.093 R)
• M51: 14,934,056 km (0.03 R)
• M52: 15,388,535 km (0.085 R)
• M53: 15,776,741 km (0.104 R)
• M54: 16,418,815 km (0.105 R)
• M55: 17,215,274 km (0.046 R)
• M56: 18,135,600 km (0.091 R)
• M57: 18,247,200 km (0.107 R)
• M58: 18,321,550 km (0.104 R)
• M59: 18,508,249 km (0.047 R)
• M60: 18,770,643 km (0.073 R)
• M61: 19,374,869 km (0.077 R)
• M62: 20,409,039 km (0.078 R)
• M63: 21,382,622 km (0.113 R)
• M64: 22,371,165 km (0.097 R)
• M65: 22,730,798 km (0.118 R)
• M66: 22,891,167 km (0.107 R)
• M67: 23,577,223 km (0.053 R)
• M68: 24,024,670 km (0.12 R)
• M69: 24,680,507 km (0.083 R)
• M70: 24,804,225 km (0.112 R)
• M71: 24,928,092 km (0.113 R)
• M72: 25,093,547 km (0.118 R)
• M73: 26,303,943 km (0.091 R)
• M74: 27,064,798 km (0.051 R)
• M75: 27,575,974 km (0.088 R)
• M76: 27,961,637 km (0.049 R)
• M77: 28,262,628 km (0.108 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 14,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit