🌌 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: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.48 AU - 0.62 AU

Year: 268 Days

Day: 42.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 28.8 °

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: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.55 AU - 0.65 AU

Year: 305 Days

Day: 46.3 Hours

Environment

Temp: -124 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.3

Radius: 8.2

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.76 AU - 0.98 AU

Year: 532 Days

Day: 10.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,917,253 km

• M1: 120,426 km (0.032 R)
• M2: 311,762 km (0.116 R)
• M3: 494,720 km (0.088 R)
• M4: 787,633 km (0.118 R)
• M5: 959,820 km (0.097 R)
• M6: 1,192,893 km (0.083 R)
• M7: 1,723,816 km (0.086 R)
• M8: 2,225,568 km (0.107 R)
• M9: 2,568,446 km (0.071 R)
• M10: 3,048,356 km (0.11 R)
• M11: 3,241,487 km (0.118 R)
• M12: 3,703,295 km (0.112 R)
• M13: 5,063,439 km (0.084 R)
• M14: 5,382,232 km (0.101 R)
• M15: 5,568,930 km (0.095 R)
• M16: 6,148,472 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 14.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.85 AU - 1.03 AU

Year: 598 Days

Day: 7.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,917,253 km

• M1: 176,675 km (0.119 R)
• M2: 459,415 km (0.068 R)
• M3: 817,253 km (0.073 R)
• M4: 1,335,759 km (0.05 R)
• M5: 1,661,733 km (0.092 R)
• M6: 1,986,061 km (0.045 R)
• M7: 2,924,040 km (0.06 R)
• M8: 3,240,888 km (0.036 R)
• M9: 3,719,153 km (0.118 R)
• M10: 4,180,363 km (0.102 R)
• M11: 4,496,314 km (0.084 R)
• M12: 4,970,090 km (0.115 R)
• M13: 5,338,699 km (0.112 R)
• M14: 5,892,511 km (0.075 R)
• M15: 6,230,751 km (0.102 R)
• M16: 6,539,521 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.6

Radius: 8.7

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.48 AU - 1.7 AU

Year: 1315 Days

Day: 7.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 46,917,253 km

• M1: 108,309 km (0.092 R)
• M2: 330,611 km (0.039 R)
• M3: 576,849 km (0.112 R)
• M4: 873,652 km (0.113 R)
• M5: 1,091,017 km (0.079 R)
• M6: 1,279,511 km (0.04 R)
• M7: 1,497,923 km (0.027 R)
• M8: 1,815,520 km (0.113 R)
• M9: 2,061,459 km (0.098 R)
• M10: 2,298,422 km (0.066 R)
• M11: 2,566,800 km (0.094 R)
• M12: 2,831,888 km (0.027 R)
• M13: 3,300,578 km (0.09 R)
• M14: 3,591,097 km (0.059 R)
• M15: 3,817,289 km (0.099 R)
• M16: 5,118,491 km (0.07 R)
• M17: 5,573,568 km (0.077 R)
• M18: 5,801,705 km (0.095 R)
• M19: 6,702,284 km (0.045 R)
• M20: 6,922,941 km (0.077 R)
• M21: 7,575,487 km (0.096 R)
• M22: 7,826,063 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.8

Radius: 12

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.73 AU - 4.97 AU

Year: 5952 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,917,253 km

• M1: 150,196 km (0.104 R)
• M2: 794,215 km (0.104 R)
• M3: 1,432,699 km (0.063 R)
• M4: 1,765,105 km (0.082 R)
• M5: 2,463,129 km (0.107 R)
• M6: 2,832,785 km (0.077 R)
• M7: 4,518,304 km (0.063 R)
• M8: 5,675,743 km (0.078 R)
• M9: 6,265,757 km (0.071 R)
• M10: 7,478,098 km (0.104 R)
• M11: 9,179,475 km (0.03 R)
• M12: 9,830,076 km (0.113 R)
• M13: 10,469,158 km (0.094 R)
• M14: 11,448,127 km (0.103 R)
• M15: 12,248,475 km (0.078 R)
• M16: 12,734,220 km (0.099 R)
• M17: 13,970,796 km (0.083 R)
• M18: 15,100,259 km (0.081 R)
• M19: 15,514,346 km (0.094 R)
• M20: 16,146,248 km (0.098 R)
• M21: 16,531,462 km (0.079 R)
• M22: 18,072,919 km (0.086 R)
• M23: 18,389,617 km (0.067 R)
• M24: 18,754,786 km (0.053 R)
• M25: 19,216,445 km (0.112 R)
• M26: 20,635,381 km (0.114 R)
• M27: 21,315,004 km (0.072 R)
• M28: 21,609,712 km (0.108 R)
• M29: 23,420,295 km (0.117 R)
• M30: 24,248,618 km (0.038 R)
• M31: 26,273,874 km (0.108 R)
• M32: 27,317,020 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 8.8

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.21 AU - 4.71 AU

Year: 6179 Days

Day: 13.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 46,917,253 km

• M1: 113,694 km (0.092 R)
• M2: 331,658 km (0.098 R)
• M3: 518,207 km (0.119 R)
• M4: 709,692 km (0.117 R)
• M5: 937,829 km (0.1 R)
• M6: 2,410,620 km (0.114 R)
• M7: 2,577,871 km (0.086 R)
• M8: 3,209,772 km (0.065 R)
• M9: 3,403,501 km (0.054 R)
• M10: 4,215,070 km (0.064 R)
• M11: 4,619,732 km (0.12 R)
• M12: 4,876,442 km (0.103 R)
• M13: 5,067,628 km (0.087 R)
• M14: 5,536,617 km (0.039 R)
• M15: 7,743,784 km (0.07 R)
• M16: 8,292,210 km (0.082 R)
• M17: 8,763,742 km (0.066 R)
• M18: 9,248,589 km (0.079 R)
• M19: 9,612,411 km (0.11 R)
• M20: 9,983,414 km (0.073 R)
• M21: 10,605,741 km (0.1 R)
• M22: 12,933,783 km (0.078 R)
• M23: 13,522,451 km (0.083 R)
• M24: 15,156,807 km (0.096 R)
• M25: 18,335,313 km (0.117 R)
• M26: 18,800,712 km (0.107 R)
• M27: 21,116,936 km (0.046 R)
• M28: 22,274,824 km (0.116 R)
• M29: 24,844,915 km (0.096 R)
• M30: 26,210,445 km (0.04 R)
• M31: 26,432,448 km (0.109 R)
• M32: 27,555,928 km (0.045 R)
• M33: 29,168,443 km (0.049 R)
• M34: 29,343,922 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.5

Radius: 13.2

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.58 AU - 6.26 AU

Year: 8278 Days

Day: 8.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 46,917,253 km

• M1: 165,904 km (0.092 R)
• M2: 534,513 km (0.097 R)
• M3: 906,413 km (0.117 R)
• M4: 1,230,143 km (0.036 R)
• M5: 1,483,712 km (0.026 R)
• M6: 2,090,780 km (0.108 R)
• M7: 2,879,609 km (0.097 R)
• M8: 3,472,167 km (0.096 R)
• M9: 4,316,048 km (0.106 R)
• M10: 6,703,780 km (0.115 R)
• M11: 7,275,244 km (0.077 R)
• M12: 8,372,245 km (0.088 R)
• M13: 9,051,718 km (0.119 R)
• M14: 9,297,956 km (0.12 R)
• M15: 10,360,550 km (0.098 R)
• M16: 10,757,284 km (0.119 R)
• M17: 11,389,634 km (0.102 R)
• M18: 12,277,048 km (0.102 R)
• M19: 12,564,276 km (0.075 R)
• M20: 13,346,673 km (0.118 R)
• M21: 13,797,412 km (0.095 R)
• M22: 14,461,626 km (0.043 R)
• M23: 15,036,082 km (0.04 R)
• M24: 16,328,757 km (0.067 R)
• M25: 16,715,916 km (0.103 R)
• M26: 18,720,528 km (0.074 R)
• M27: 19,795,987 km (0.087 R)
• M28: 21,088,961 km (0.094 R)
• M29: 23,073,228 km (0.078 R)
• M30: 33,468,036 km (0.034 R)
• M31: 34,984,360 km (0.117 R)
• M32: 37,447,339 km (0.074 R)
• M33: 38,202,659 km (0.101 R)
• M34: 38,710,394 km (0.102 R)
• M35: 39,050,729 km (0.091 R)
• M36: 39,392,560 km (0.108 R)
• M37: 41,124,305 km (0.103 R)
• M38: 46,079,435 km (0.073 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: 394 - 18,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit