🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.44

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.6 AU - 0.62 AU

Year: 308 Days

Day: 30.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 9.5

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.08 AU - 1.32 AU

Year: 849 Days

Day: 6.1 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,539,967 km

• M1: 118,182 km (0.098 R)
• M2: 429,196 km (0.084 R)
• M3: 775,815 km (0.086 R)
• M4: 1,096,253 km (0.093 R)
• M5: 1,412,353 km (0.102 R)
• M6: 1,808,339 km (0.084 R)
• M7: 2,256,235 km (0.113 R)
• M8: 2,967,872 km (0.108 R)
• M9: 3,806,667 km (0.091 R)
• M10: 4,723,702 km (0.105 R)
• M11: 5,781,359 km (0.079 R)
• M12: 6,827,048 km (0.115 R)
• M13: 8,149,045 km (0.111 R)
• M14: 9,148,359 km (0.101 R)
• M15: 9,576,059 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.1

Radius: 12.8

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.97 AU - 1.43 AU

Year: 849 Days

Day: 11.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,539,967 km

• M1: 159,172 km (0.109 R)
• M2: 565,031 km (0.065 R)
• M3: 1,008,439 km (0.087 R)
• M4: 1,408,763 km (0.063 R)
• M5: 2,172,311 km (0.028 R)
• M6: 3,008,114 km (0.108 R)
• M7: 3,664,250 km (0.08 R)
• M8: 4,162,860 km (0.088 R)
• M9: 4,597,442 km (0.064 R)
• M10: 5,470,645 km (0.088 R)
• M11: 6,769,752 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 9.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.02 AU - 2.1 AU

Year: 1909 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,539,967 km

• M1: 117,135 km (0.107 R)
• M2: 413,489 km (0.057 R)
• M3: 956,379 km (0.05 R)
• M4: 1,249,591 km (0.03 R)
• M5: 1,897,948 km (0.101 R)
• M6: 2,286,753 km (0.07 R)
• M7: 4,076,841 km (0.025 R)
• M8: 5,711,497 km (0.112 R)
• M9: 6,052,281 km (0.083 R)
• M10: 7,027,809 km (0.115 R)
• M11: 8,682,960 km (0.041 R)
• M12: 11,848,002 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.7

Radius: 8.3

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.45 AU - 3.21 AU

Year: 3074 Days

Day: 9.3 Hours

Environment

Temp: -192 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,539,967 km

• M1: 103,223 km (0.092 R)
• M2: 430,094 km (0.096 R)
• M3: 824,135 km (0.039 R)
• M4: 1,088,474 km (0.088 R)
• M5: 1,671,457 km (0.114 R)
• M6: 2,210,608 km (0.119 R)
• M7: 2,749,758 km (0.087 R)
• M8: 3,231,314 km (0.044 R)
• M9: 4,007,129 km (0.102 R)
• M10: 4,559,893 km (0.117 R)
• M11: 5,066,581 km (0.097 R)
• M12: 6,843,205 km (0.077 R)
• M13: 10,213,346 km (0.083 R)
• M14: 10,919,298 km (0.112 R)
• M15: 11,407,885 km (0.06 R)
• M16: 14,310,981 km (0.105 R)
• M17: 14,995,242 km (0.081 R)
• M18: 16,271,012 km (0.082 R)
• M19: 17,507,289 km (0.085 R)
• M20: 18,805,051 km (0.063 R)
• M21: 19,447,873 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 12.4

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.34 AU - 6.36 AU

Year: 7990 Days

Day: 7.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,539,967 km

• M1: 154,235 km (0.119 R)
• M2: 667,655 km (0.081 R)
• M3: 1,399,039 km (0.069 R)
• M4: 1,821,204 km (0.1 R)
• M5: 2,277,777 km (0.108 R)
• M6: 3,076,630 km (0.071 R)
• M7: 3,541,879 km (0.119 R)
• M8: 4,341,929 km (0.106 R)
• M9: 5,198,077 km (0.067 R)
• M10: 7,398,363 km (0.107 R)
• M11: 7,831,299 km (0.097 R)
• M12: 8,922,466 km (0.097 R)
• M13: 9,596,703 km (0.04 R)
• M14: 10,597,364 km (0.114 R)
• M15: 11,877,921 km (0.097 R)
• M16: 13,489,689 km (0.111 R)
• M17: 14,806,300 km (0.028 R)
• M18: 15,495,946 km (0.08 R)
• M19: 17,973,885 km (0.098 R)
• M20: 19,418,103 km (0.087 R)
• M21: 20,092,640 km (0.101 R)
• M22: 24,996,009 km (0.077 R)
• M23: 26,336,107 km (0.108 R)
• M24: 26,793,278 km (0.085 R)
• M25: 27,535,732 km (0.093 R)
• M26: 37,317,787 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 699.1

Radius: 4.5

Gravity: 34.52 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.71 AU - 7.03 AU

Year: 10381 Days

Day: 23.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 42,539,967 km

• M1: 56,847 km (0.088 R)
• M2: 553,961 km (0.063 R)
• M3: 800,648 km (0.05 R)
• M4: 1,083,687 km (0.101 R)
• M5: 1,417,141 km (0.108 R)
• M6: 1,660,237 km (0.036 R)
• M7: 2,211,356 km (0.113 R)
• M8: 2,662,094 km (0.047 R)
• M9: 3,032,947 km (0.112 R)
• M10: 3,957,911 km (0.1 R)
• M11: 4,294,506 km (0.079 R)
• M12: 4,897,834 km (0.093 R)
• M13: 5,799,311 km (0.104 R)
• M14: 7,623,807 km (0.047 R)
• M15: 8,100,276 km (0.102 R)
• M16: 8,368,355 km (0.028 R)
• M17: 8,642,419 km (0.097 R)
• M18: 9,698,580 km (0.078 R)
• M19: 13,503,153 km (0.106 R)
• M20: 13,816,859 km (0.038 R)
• M21: 15,595,428 km (0.03 R)
• M22: 16,646,503 km (0.032 R)
• M23: 17,373,100 km (0.058 R)
• M24: 19,202,532 km (0.099 R)
• M25: 20,905,255 km (0.11 R)
• M26: 21,072,506 km (0.063 R)
• M27: 24,422,301 km (0.08 R)
• M28: 26,613,012 km (0.1 R)
• M29: 27,604,996 km (0.073 R)
• M30: 31,820,365 km (0.095 R)
• M31: 33,050,508 km (0.057 R)
• M32: 35,013,531 km (0.095 R)
• M33: 36,566,058 km (0.119 R)
• M34: 37,543,979 km (0.099 R)
• M35: 44,054,030 km (0.074 R)
• M36: 44,882,353 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 405

Radius: 4.2

Gravity: 22.96 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.57 AU - 7.57 AU

Year: 10873 Days

Day: 20.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 42,539,967 km

• M1: 88,712 km (0.025 R)
• M2: 250,128 km (0.061 R)
• M3: 523,443 km (0.067 R)
• M4: 842,984 km (0.104 R)
• M5: 1,187,957 km (0.106 R)
• M6: 1,663,977 km (0.088 R)
• M7: 1,889,571 km (0.11 R)
• M8: 2,135,360 km (0.076 R)
• M9: 2,310,838 km (0.107 R)
• M10: 2,553,187 km (0.083 R)
• M11: 2,853,879 km (0.077 R)
• M12: 3,177,608 km (0.053 R)
• M13: 4,435,278 km (0.038 R)
• M14: 4,634,542 km (0.103 R)
• M15: 4,929,399 km (0.093 R)
• M16: 7,838,180 km (0.118 R)
• M17: 8,129,597 km (0.094 R)
• M18: 10,080,503 km (0.093 R)
• M19: 12,156,622 km (0.051 R)
• M20: 12,322,825 km (0.086 R)
• M21: 14,876,760 km (0.104 R)
• M22: 16,043,175 km (0.086 R)
• M23: 16,922,661 km (0.102 R)
• M24: 20,762,539 km (0.119 R)
• M25: 23,307,647 km (0.053 R)
• M26: 24,787,918 km (0.106 R)
• M27: 26,145,070 km (0.104 R)
• M28: 32,175,360 km (0.104 R)
• M29: 33,244,985 km (0.087 R)
• M30: 39,432,353 km (0.03 R)
• M31: 40,286,707 km (0.097 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 12,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit