🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.3

Radius: 8.3

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.55 AU - 0.71 AU

Year: 345 Days

Day: 11.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,265,233 km

• M1: 103,372 km (0.026 R)
• M2: 417,976 km (0.118 R)
• M3: 677,230 km (0.082 R)
• M4: 971,638 km (0.08 R)
• M5: 1,363,884 km (0.114 R)
• M6: 1,761,066 km (0.081 R)
• M7: 2,366,938 km (0.034 R)
• M8: 3,013,799 km (0.074 R)
• M9: 3,600,671 km (0.066 R)
• M10: 4,123,366 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.4

Radius: 14.7

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.69 AU - 1.13 AU

Year: 599 Days

Day: 6.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,265,233 km

• M1: 182,809 km (0.063 R)
• M2: 854,353 km (0.109 R)
• M3: 1,487,601 km (0.106 R)
• M4: 2,051,436 km (0.115 R)
• M5: 2,736,594 km (0.117 R)
• M6: 4,228,533 km (0.101 R)
• M7: 4,884,520 km (0.088 R)
• M8: 5,696,687 km (0.07 R)
• M9: 6,363,594 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.7

Radius: 12.1

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.31 AU - 1.81 AU

Year: 1345 Days

Day: 6.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 67,265,233 km

• M1: 154,235 km (0.067 R)
• M2: 620,233 km (0.11 R)
• M3: 1,338,003 km (0.12 R)
• M4: 1,774,380 km (0.114 R)
• M5: 3,149,035 km (0.105 R)
• M6: 3,526,919 km (0.084 R)
• M7: 3,962,848 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.5

Radius: 11.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.02 AU - 4.22 AU

Year: 4754 Days

Day: 12.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,265,233 km

• M1: 145,559 km (0.109 R)
• M2: 672,442 km (0.054 R)
• M3: 1,079,049 km (0.077 R)
• M4: 1,554,322 km (0.118 R)
• M5: 2,047,097 km (0.117 R)
• M6: 2,991,359 km (0.103 R)
• M7: 3,641,511 km (0.081 R)
• M8: 5,224,406 km (0.114 R)
• M9: 6,084,145 km (0.08 R)
• M10: 7,288,707 km (0.081 R)
• M11: 8,118,527 km (0.11 R)
• M12: 11,115,571 km (0.063 R)
• M13: 13,097,443 km (0.101 R)
• M14: 14,122,189 km (0.109 R)
• M15: 16,330,702 km (0.065 R)
• M16: 17,633,251 km (0.088 R)
• M17: 21,888,861 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393

Radius: 12.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.9 AU - 5.08 AU

Year: 7694 Days

Day: 6.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,265,233 km

• M1: 158,424 km (0.12 R)
• M2: 736,171 km (0.067 R)
• M3: 1,279,660 km (0.078 R)
• M4: 2,224,969 km (0.102 R)
• M5: 3,150,830 km (0.087 R)
• M6: 3,591,695 km (0.096 R)
• M7: 4,757,661 km (0.055 R)
• M8: 5,399,137 km (0.093 R)
• M9: 6,419,993 km (0.097 R)
• M10: 7,098,868 km (0.062 R)
• M11: 8,245,236 km (0.045 R)
• M12: 10,809,643 km (0.094 R)
• M13: 11,722,190 km (0.062 R)
• M14: 12,478,407 km (0.074 R)
• M15: 13,700,771 km (0.103 R)
• M16: 14,654,308 km (0.11 R)
• M17: 19,745,722 km (0.088 R)
• M18: 20,455,414 km (0.04 R)
• M19: 22,996,035 km (0.104 R)
• M20: 26,076,854 km (0.088 R)
• M21: 28,786,221 km (0.049 R)
• M22: 32,259,285 km (0.117 R)
• M23: 33,045,422 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.8

Radius: 8

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 4.58 AU - 6.22 AU

Year: 8662 Days

Day: 14.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,265,233 km

• M1: 99,632 km (0.074 R)
• M2: 487,988 km (0.119 R)
• M3: 834,756 km (0.111 R)
• M4: 1,124,228 km (0.046 R)
• M5: 2,309,791 km (0.085 R)
• M6: 2,816,778 km (0.107 R)
• M7: 3,086,952 km (0.097 R)
• M8: 3,353,386 km (0.116 R)
• M9: 4,397,429 km (0.103 R)
• M10: 4,656,234 km (0.086 R)
• M11: 7,467,926 km (0.11 R)
• M12: 8,258,102 km (0.1 R)
• M13: 8,613,397 km (0.038 R)
• M14: 9,959,777 km (0.085 R)
• M15: 10,362,495 km (0.042 R)
• M16: 11,152,820 km (0.071 R)
• M17: 12,336,140 km (0.1 R)
• M18: 15,066,600 km (0.118 R)
• M19: 16,140,862 km (0.1 R)
• M20: 18,777,375 km (0.103 R)
• M21: 21,171,091 km (0.095 R)
• M22: 23,289,247 km (0.067 R)
• M23: 26,215,232 km (0.101 R)
• M24: 27,329,437 km (0.056 R)
• M25: 29,652,093 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.5

Radius: 7.9

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.3 AU - 6.54 AU

Year: 9942 Days

Day: 16.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,265,233 km

• M1: 98,435 km (0.081 R)
• M2: 374,743 km (0.062 R)
• M3: 1,198,578 km (0.104 R)
• M4: 1,749,098 km (0.12 R)
• M5: 1,999,525 km (0.067 R)
• M6: 2,593,279 km (0.07 R)
• M7: 3,207,528 km (0.048 R)
• M8: 3,760,591 km (0.101 R)
• M9: 6,368,681 km (0.116 R)
• M10: 9,176,333 km (0.034 R)
• M11: 11,540,578 km (0.051 R)
• M12: 12,316,692 km (0.109 R)
• M13: 14,598,508 km (0.083 R)
• M14: 15,308,350 km (0.038 R)
• M15: 18,902,888 km (0.095 R)
• M16: 22,088,425 km (0.117 R)
• M17: 23,896,165 km (0.111 R)
• M18: 24,790,761 km (0.104 R)
• M19: 26,551,528 km (0.112 R)
• M20: 27,511,048 km (0.071 R)
• M21: 29,601,080 km (0.107 R)
• M22: 30,528,288 km (0.116 R)
• M23: 33,648,002 km (0.096 R)
• M24: 35,919,197 km (0.082 R)
• M25: 41,017,791 km (0.077 R)
• M26: 41,271,958 km (0.074 R)
• M27: 42,949,698 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.4

Radius: 6

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 9.24 AU - 11.44 AU

Year: 22950 Days

Day: 21.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,265,233 km

• M1: 76,145 km (0.118 R)
• M2: 319,990 km (0.039 R)
• M3: 1,456,784 km (0.078 R)
• M4: 1,764,656 km (0.079 R)
• M5: 2,738,838 km (0.063 R)
• M6: 3,106,101 km (0.077 R)
• M7: 3,938,912 km (0.117 R)
• M8: 4,604,622 km (0.11 R)
• M9: 5,379,539 km (0.114 R)
• M10: 5,643,430 km (0.109 R)
• M11: 5,995,583 km (0.116 R)
• M12: 6,487,611 km (0.088 R)
• M13: 7,979,550 km (0.087 R)
• M14: 9,145,666 km (0.047 R)
• M15: 9,741,813 km (0.095 R)
• M16: 10,134,508 km (0.086 R)
• M17: 10,363,542 km (0.087 R)
• M18: 10,596,017 km (0.115 R)
• M19: 12,257,750 km (0.101 R)
• M20: 14,953,654 km (0.091 R)
• M21: 17,523,595 km (0.098 R)
• M22: 17,770,881 km (0.093 R)
• M23: 22,533,478 km (0.076 R)
• M24: 23,418,649 km (0.088 R)
• M25: 23,718,742 km (0.101 R)
• M26: 26,105,576 km (0.092 R)
• M27: 28,534,148 km (0.086 R)
• M28: 30,392,154 km (0.066 R)
• M29: 30,630,014 km (0.049 R)
• M30: 31,471,951 km (0.103 R)
• M31: 34,218,867 km (0.078 R)
• M32: 37,121,365 km (0.112 R)
• M33: 37,393,035 km (0.108 R)
• M34: 38,216,272 km (0.106 R)
• M35: 41,923,307 km (0.064 R)
• M36: 47,282,501 km (0.116 R)
• M37: 49,056,583 km (0.059 R)
• M38: 52,737,139 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 14,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit