🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.51 AU - 0.73 AU

Year: 315 Days

Day: 36.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.4

Radius: 8.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.79 AU - 1.05 AU

Year: 570 Days

Day: 13.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,988,456 km

• M1: 115,938 km (0.092 R)
• M2: 213,027 km (0.116 R)
• M3: 343,178 km (0.027 R)
• M4: 456,274 km (0.107 R)
• M5: 528,978 km (0.055 R)
• M6: 666,758 km (0.11 R)
• M7: 776,563 km (0.101 R)
• M8: 831,914 km (0.067 R)
• M9: 943,215 km (0.118 R)
• M10: 1,092,663 km (0.111 R)
• M11: 1,146,967 km (0.108 R)
• M12: 1,347,278 km (0.103 R)
• M13: 1,405,921 km (0.057 R)
• M14: 1,625,381 km (0.085 R)
• M15: 1,957,488 km (0.083 R)
• M16: 2,256,684 km (0.075 R)
• M17: 2,365,292 km (0.075 R)
• M18: 2,486,616 km (0.074 R)
• M19: 2,735,696 km (0.099 R)
• M20: 2,857,469 km (0.051 R)
• M21: 2,986,871 km (0.112 R)
• M22: 3,118,368 km (0.061 R)
• M23: 3,184,939 km (0.083 R)
• M24: 3,313,144 km (0.111 R)
• M25: 3,380,912 km (0.032 R)
• M26: 3,511,810 km (0.108 R)
• M27: 3,682,501 km (0.06 R)
• M28: 3,823,722 km (0.099 R)
• M29: 3,888,497 km (0.104 R)
• M30: 4,217,912 km (0.036 R)
• M31: 4,576,947 km (0.105 R)
• M32: 4,687,200 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.2

Radius: 11.2

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.32 AU - 1.52 AU

Year: 1093 Days

Day: 13.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 46,988,456 km

• M1: 140,323 km (0.069 R)
• M2: 214,972 km (0.05 R)
• M3: 503,846 km (0.118 R)
• M4: 647,160 km (0.111 R)
• M5: 757,863 km (0.034 R)
• M6: 904,170 km (0.083 R)
• M7: 984,952 km (0.07 R)
• M8: 1,068,428 km (0.105 R)
• M9: 1,267,393 km (0.109 R)
• M10: 1,358,947 km (0.103 R)
• M11: 1,435,541 km (0.114 R)
• M12: 1,531,284 km (0.082 R)
• M13: 1,638,396 km (0.118 R)
• M14: 1,803,851 km (0.11 R)
• M15: 2,072,379 km (0.079 R)
• M16: 2,181,586 km (0.102 R)
• M17: 2,395,361 km (0.08 R)
• M18: 2,520,724 km (0.032 R)
• M19: 2,626,789 km (0.091 R)
• M20: 2,943,189 km (0.094 R)
• M21: 3,066,457 km (0.089 R)
• M22: 3,272,005 km (0.1 R)
• M23: 3,576,885 km (0.099 R)
• M24: 3,781,385 km (0.03 R)
• M25: 4,341,181 km (0.047 R)
• M26: 4,481,952 km (0.025 R)
• M27: 4,728,789 km (0.106 R)
• M28: 4,953,485 km (0.106 R)
• M29: 5,236,075 km (0.12 R)
• M30: 5,372,359 km (0.094 R)
• M31: 5,901,486 km (0.095 R)
• M32: 6,057,816 km (0.106 R)
• M33: 6,201,131 km (0.108 R)
• M34: 6,520,373 km (0.083 R)
• M35: 6,741,179 km (0.078 R)
• M36: 7,387,891 km (0.094 R)
• M37: 7,571,896 km (0.12 R)
• M38: 7,991,518 km (0.107 R)
• M39: 8,085,765 km (0.099 R)
• M40: 8,627,160 km (0.106 R)
• M41: 8,723,800 km (0.043 R)
• M42: 9,016,264 km (0.079 R)
• M43: 9,312,019 km (0.054 R)
• M44: 9,477,624 km (0.119 R)
• M45: 9,577,555 km (0.075 R)
• M46: 9,980,572 km (0.12 R)
• M47: 10,082,148 km (0.103 R)
• M48: 10,303,553 km (0.114 R)
• M49: 10,440,585 km (0.09 R)
• M50: 10,803,360 km (0.109 R)
• M51: 10,959,989 km (0.117 R)
• M52: 11,117,366 km (0.084 R)
• M53: 11,346,251 km (0.077 R)
• M54: 11,487,770 km (0.086 R)
• M55: 11,629,888 km (0.057 R)
• M56: 11,808,358 km (0.084 R)
• M57: 11,915,919 km (0.102 R)
• M58: 12,113,987 km (0.113 R)

Asteroid Belt

Center: 3.4 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994

Radius: 12.8

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.2 AU - 6.56 AU

Year: 8057 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 46,988,456 km

• M1: 160,668 km (0.119 R)
• M2: 333,304 km (0.101 R)
• M3: 452,833 km (0.065 R)
• M4: 864,676 km (0.117 R)
• M5: 1,595,910 km (0.11 R)
• M6: 1,729,800 km (0.116 R)
• M7: 1,867,580 km (0.08 R)
• M8: 1,985,463 km (0.118 R)
• M9: 2,179,342 km (0.112 R)
• M10: 2,718,193 km (0.118 R)
• M11: 3,297,885 km (0.106 R)
• M12: 3,499,693 km (0.108 R)
• M13: 3,587,507 km (0.047 R)
• M14: 4,191,583 km (0.103 R)
• M15: 4,442,309 km (0.102 R)
• M16: 4,697,972 km (0.033 R)
• M17: 5,493,982 km (0.103 R)
• M18: 5,596,456 km (0.115 R)
• M19: 6,547,450 km (0.081 R)
• M20: 6,656,357 km (0.071 R)
• M21: 7,134,771 km (0.105 R)
• M22: 7,510,412 km (0.034 R)
• M23: 9,402,226 km (0.117 R)
• M24: 9,525,196 km (0.058 R)
• M25: 10,022,459 km (0.058 R)
• M26: 10,148,121 km (0.107 R)
• M27: 10,827,146 km (0.062 R)
• M28: 11,346,101 km (0.081 R)
• M29: 12,006,127 km (0.119 R)
• M30: 12,318,487 km (0.068 R)
• M31: 12,408,246 km (0.072 R)
• M32: 12,588,362 km (0.098 R)
• M33: 13,317,651 km (0.108 R)
• M34: 15,393,023 km (0.108 R)
• M35: 15,683,841 km (0.093 R)
• M36: 15,878,617 km (0.103 R)
• M37: 16,270,863 km (0.109 R)
• M38: 19,416,906 km (0.068 R)
• M39: 19,731,211 km (0.091 R)
• M40: 20,470,973 km (0.043 R)
• M41: 20,577,486 km (0.076 R)
• M42: 21,597,744 km (0.115 R)
• M43: 22,799,763 km (0.031 R)
• M44: 24,023,473 km (0.052 R)
• M45: 24,417,364 km (0.096 R)
• M46: 25,726,346 km (0.113 R)
• M47: 26,650,412 km (0.035 R)
• M48: 27,233,395 km (0.072 R)
• M49: 27,467,815 km (0.103 R)
• M50: 27,820,716 km (0.111 R)
• M51: 28,471,616 km (0.072 R)
• M52: 28,769,017 km (0.06 R)
• M53: 29,187,293 km (0.093 R)
• M54: 30,090,265 km (0.092 R)
• M55: 30,272,027 km (0.049 R)
• M56: 31,492,745 km (0.108 R)
• M57: 31,738,834 km (0.071 R)
• M58: 32,047,305 km (0.052 R)
• M59: 32,232,806 km (0.069 R)
• M60: 33,291,211 km (0.064 R)
• M61: 33,479,106 km (0.068 R)
• M62: 33,793,261 km (0.068 R)
• M63: 34,614,255 km (0.081 R)
• M64: 35,697,941 km (0.108 R)
• M65: 35,954,502 km (0.09 R)
• M66: 36,469,567 km (0.115 R)
• M67: 37,181,803 km (0.072 R)
• M68: 37,702,553 km (0.085 R)
• M69: 37,963,900 km (0.107 R)
• M70: 38,554,064 km (0.086 R)
• M71: 41,617,679 km (0.078 R)
• M72: 41,752,616 km (0.112 R)
• M73: 42,429,696 km (0.092 R)
• M74: 42,633,598 km (0.098 R)
• M75: 42,769,582 km (0.113 R)
• M76: 42,905,866 km (0.114 R)
• M77: 44,344,698 km (0.032 R)
• M78: 44,620,557 km (0.037 R)
• M79: 45,035,392 km (0.095 R)
• M80: 45,174,069 km (0.093 R)
• M81: 45,729,825 km (0.113 R)
• M82: 46,148,101 km (0.113 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 18,772 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit