🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.75

Radius: 1.25

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.58 AU - 0.62 AU

Year: 300 Days

Day: 20.5 Hours

Environment

Temp: -121 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.58 AU - 0.76 AU

Year: 354 Days

Day: 27.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 10 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.3

Radius: 9.5

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.97 AU - 1.37 AU

Year: 817 Days

Day: 14.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 56.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 14,395,276 km

• M1: 126,261 km (0.113 R)
• M2: 191,784 km (0.11 R)
• M3: 276,756 km (0.082 R)
• M4: 491,429 km (0.045 R)
• M5: 608,863 km (0.07 R)
• M6: 730,636 km (0.114 R)
• M7: 794,963 km (0.076 R)
• M8: 879,635 km (0.091 R)
• M9: 1,105,678 km (0.09 R)
• M10: 1,222,364 km (0.052 R)
• M11: 1,307,336 km (0.113 R)
• M12: 1,401,732 km (0.108 R)
• M13: 1,468,303 km (0.093 R)
• M14: 1,528,591 km (0.109 R)
• M15: 1,643,781 km (0.096 R)
• M16: 1,866,981 km (0.067 R)
• M17: 1,940,733 km (0.064 R)
• M18: 2,185,475 km (0.075 R)
• M19: 2,404,487 km (0.107 R)
• M20: 2,485,120 km (0.104 R)
• M21: 2,548,549 km (0.039 R)
• M22: 2,751,254 km (0.037 R)
• M23: 2,816,778 km (0.101 R)
• M24: 2,902,049 km (0.08 R)
• M25: 3,055,537 km (0.09 R)
• M26: 3,281,130 km (0.104 R)
• M27: 3,501,937 km (0.118 R)
• M28: 3,562,972 km (0.12 R)
• M29: 3,707,035 km (0.082 R)
• M30: 3,937,117 km (0.064 R)
• M31: 4,411,492 km (0.097 R)
• M32: 4,588,466 km (0.077 R)
• M33: 4,790,573 km (0.102 R)
• M34: 4,881,229 km (0.098 R)
• M35: 5,156,938 km (0.107 R)
• M36: 5,556,065 km (0.072 R)
• M37: 5,651,508 km (0.115 R)
• M38: 5,795,571 km (0.044 R)
• M39: 5,904,628 km (0.094 R)
• M40: 6,063,052 km (0.058 R)
• M41: 6,284,906 km (0.101 R)
• M42: 6,359,405 km (0.089 R)
• M43: 6,863,999 km (0.063 R)
• M44: 7,030,801 km (0.094 R)
• M45: 7,329,099 km (0.101 R)
• M46: 7,512,805 km (0.109 R)
• M47: 7,631,735 km (0.049 R)
• M48: 7,724,636 km (0.09 R)
• M49: 7,804,521 km (0.102 R)
• M50: 7,884,705 km (0.098 R)
• M51: 8,358,033 km (0.069 R)
• M52: 8,508,678 km (0.066 R)
• M53: 8,854,548 km (0.07 R)
• M54: 8,952,236 km (0.106 R)
• M55: 9,148,658 km (0.096 R)
• M56: 9,303,940 km (0.118 R)
• M57: 9,474,482 km (0.119 R)
• M58: 9,645,921 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.7

Radius: 14

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.48 AU - 2.62 AU

Year: 2629 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 14,395,276 km

• M1: 245,939 km (0.062 R)
• M2: 416,331 km (0.092 R)
• M3: 516,412 km (0.115 R)
• M4: 635,641 km (0.083 R)
• M5: 775,366 km (0.086 R)
• M6: 1,089,222 km (0.117 R)
• M7: 1,206,956 km (0.04 R)
• M8: 1,351,916 km (0.102 R)
• M9: 1,538,913 km (0.07 R)
• M10: 1,926,521 km (0.073 R)
• M11: 2,031,539 km (0.083 R)
• M12: 2,152,265 km (0.108 R)
• M13: 2,718,343 km (0.087 R)
• M14: 3,003,327 km (0.059 R)
• M15: 3,425,342 km (0.043 R)
• M16: 3,570,303 km (0.107 R)
• M17: 4,102,422 km (0.114 R)
• M18: 4,606,567 km (0.119 R)
• M19: 4,713,380 km (0.105 R)
• M20: 4,947,650 km (0.094 R)
• M21: 5,185,810 km (0.042 R)
• M22: 5,297,111 km (0.059 R)
• M23: 5,484,258 km (0.084 R)
• M24: 5,616,652 km (0.074 R)
• M25: 5,730,945 km (0.12 R)
• M26: 6,215,642 km (0.099 R)
• M27: 6,814,931 km (0.096 R)
• M28: 7,039,328 km (0.065 R)
• M29: 7,411,827 km (0.103 R)
• M30: 7,663,749 km (0.119 R)
• M31: 8,090,103 km (0.049 R)
• M32: 8,524,236 km (0.114 R)
• M33: 8,700,014 km (0.083 R)
• M34: 8,988,139 km (0.071 R)
• M35: 9,099,889 km (0.101 R)
• M36: 9,528,636 km (0.079 R)
• M37: 9,665,518 km (0.111 R)
• M38: 10,056,567 km (0.03 R)
• M39: 10,406,028 km (0.108 R)
• M40: 10,570,436 km (0.098 R)
• M41: 10,806,950 km (0.03 R)
• M42: 10,949,667 km (0.04 R)
• M43: 11,141,002 km (0.103 R)
• M44: 11,381,556 km (0.088 R)
• M45: 11,599,669 km (0.064 R)
• M46: 11,966,334 km (0.06 R)
• M47: 12,987,788 km (0.077 R)
• M48: 13,496,122 km (0.09 R)
• M49: 13,727,101 km (0.109 R)
• M50: 13,959,426 km (0.034 R)
• M51: 14,427,817 km (0.108 R)
• M52: 14,637,703 km (0.089 R)
• M53: 14,822,157 km (0.107 R)
• M54: 15,113,574 km (0.069 R)
• M55: 15,326,751 km (0.106 R)
• M56: 15,891,183 km (0.115 R)
• M57: 16,544,477 km (0.095 R)
• M58: 16,902,016 km (0.116 R)
• M59: 17,040,245 km (0.073 R)
• M60: 17,373,399 km (0.075 R)
• M61: 18,871,023 km (0.077 R)
• M62: 19,475,848 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.4

Radius: 6.5

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.01 AU - 7.03 AU

Year: 9537 Days

Day: 16.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 14,395,276 km

• M1: 147,952 km (0.049 R)
• M2: 526,734 km (0.115 R)
• M3: 1,005,597 km (0.09 R)
• M4: 1,137,692 km (0.116 R)
• M5: 1,628,971 km (0.079 R)
• M6: 1,934,899 km (0.063 R)
• M7: 2,432,910 km (0.066 R)
• M8: 3,407,540 km (0.101 R)
• M9: 3,963,147 km (0.025 R)
• M10: 4,145,207 km (0.092 R)
• M11: 4,885,866 km (0.039 R)
• M12: 5,248,342 km (0.096 R)
• M13: 5,745,306 km (0.097 R)
• M14: 6,650,673 km (0.083 R)
• M15: 6,783,515 km (0.093 R)
• M16: 6,984,575 km (0.046 R)
• M17: 7,136,716 km (0.08 R)
• M18: 7,686,339 km (0.043 R)
• M19: 7,738,548 km (0.055 R)
• M20: 7,808,410 km (0.104 R)
• M21: 8,464,248 km (0.041 R)
• M22: 9,192,939 km (0.087 R)
• M23: 9,415,540 km (0.102 R)
• M24: 9,771,583 km (0.065 R)
• M25: 11,179,898 km (0.093 R)
• M26: 13,147,259 km (0.104 R)
• M27: 13,440,022 km (0.081 R)
• M28: 13,692,544 km (0.063 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 182 - 12,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit