🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.46 AU - 0.62 AU

Year: 260 Days

Day: 25.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 13

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.81 AU - 1.19 AU

Year: 656 Days

Day: 7 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 47,083,723 km

• M1: 169,195 km (0.097 R)
• M2: 267,331 km (0.102 R)
• M3: 445,203 km (0.115 R)
• M4: 566,378 km (0.11 R)
• M5: 663,915 km (0.109 R)
• M6: 748,887 km (0.107 R)
• M7: 838,197 km (0.104 R)
• M8: 979,567 km (0.117 R)
• M9: 1,146,967 km (0.025 R)
• M10: 1,441,824 km (0.09 R)
• M11: 1,575,864 km (0.116 R)
• M12: 1,747,902 km (0.071 R)
• M13: 1,843,195 km (0.063 R)
• M14: 2,046,349 km (0.065 R)
• M15: 2,139,848 km (0.06 R)
• M16: 2,279,273 km (0.03 R)
• M17: 2,376,512 km (0.099 R)
• M18: 2,536,581 km (0.081 R)
• M19: 2,645,339 km (0.118 R)
• M20: 2,787,607 km (0.119 R)
• M21: 2,940,496 km (0.055 R)
• M22: 3,071,543 km (0.113 R)
• M23: 3,196,159 km (0.115 R)
• M24: 3,390,636 km (0.088 R)
• M25: 3,773,756 km (0.092 R)
• M26: 3,943,549 km (0.104 R)
• M27: 4,152,538 km (0.102 R)
• M28: 4,281,491 km (0.098 R)
• M29: 4,496,463 km (0.079 R)
• M30: 4,648,006 km (0.095 R)
• M31: 4,840,090 km (0.109 R)
• M32: 4,937,029 km (0.051 R)
• M33: 5,083,784 km (0.063 R)
• M34: 5,212,139 km (0.115 R)
• M35: 5,311,622 km (0.08 R)
• M36: 5,411,703 km (0.113 R)
• M37: 5,624,132 km (0.11 R)
• M38: 5,787,792 km (0.082 R)
• M39: 5,942,626 km (0.087 R)
• M40: 6,057,068 km (0.07 R)
• M41: 6,140,843 km (0.079 R)
• M42: 6,501,075 km (0.115 R)
• M43: 6,597,565 km (0.114 R)
• M44: 7,098,269 km (0.109 R)
• M45: 7,297,683 km (0.117 R)
• M46: 7,442,793 km (0.1 R)
• M47: 7,724,636 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.8

Radius: 9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.61 AU - 5.09 AU

Year: 7007 Days

Day: 14.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 47,083,723 km

• M1: 117,135 km (0.113 R)
• M2: 178,769 km (0.107 R)
• M3: 327,470 km (0.078 R)
• M4: 524,490 km (0.025 R)
• M5: 702,512 km (0.114 R)
• M6: 921,523 km (0.097 R)
• M7: 1,006,644 km (0.115 R)
• M8: 1,208,452 km (0.095 R)
• M9: 1,338,303 km (0.055 R)
• M10: 1,411,007 km (0.111 R)
• M11: 1,535,622 km (0.114 R)
• M12: 1,808,937 km (0.108 R)
• M13: 1,972,298 km (0.098 R)
• M14: 2,797,181 km (0.027 R)
• M15: 3,099,219 km (0.091 R)
• M16: 3,196,906 km (0.106 R)
• M17: 3,751,915 km (0.108 R)
• M18: 4,120,673 km (0.113 R)
• M19: 4,373,045 km (0.032 R)
• M20: 4,501,101 km (0.048 R)
• M21: 5,045,188 km (0.079 R)
• M22: 5,198,975 km (0.073 R)
• M23: 5,257,019 km (0.116 R)
• M24: 5,452,094 km (0.054 R)
• M25: 6,215,343 km (0.11 R)
• M26: 6,609,384 km (0.114 R)
• M27: 7,033,045 km (0.061 R)
• M28: 7,707,133 km (0.102 R)
• M29: 8,040,736 km (0.114 R)
• M30: 9,022,996 km (0.092 R)
• M31: 9,209,993 km (0.12 R)
• M32: 9,303,940 km (0.09 R)
• M33: 9,469,096 km (0.083 R)
• M34: 9,635,300 km (0.107 R)
• M35: 9,850,421 km (0.106 R)
• M36: 10,505,211 km (0.078 R)
• M37: 11,450,371 km (0.064 R)
• M38: 12,241,594 km (0.115 R)
• M39: 12,319,085 km (0.108 R)
• M40: 12,761,446 km (0.101 R)
• M41: 12,945,003 km (0.027 R)
• M42: 13,314,958 km (0.082 R)
• M43: 13,447,951 km (0.08 R)
• M44: 13,876,399 km (0.106 R)
• M45: 14,363,789 km (0.053 R)
• M46: 14,719,234 km (0.105 R)
• M47: 14,856,714 km (0.104 R)
• M48: 15,299,673 km (0.107 R)
• M49: 16,568,413 km (0.104 R)
• M50: 16,826,170 km (0.095 R)
• M51: 17,114,146 km (0.114 R)
• M52: 17,724,356 km (0.115 R)
• M53: 18,046,739 km (0.071 R)
• M54: 18,223,414 km (0.066 R)
• M55: 18,371,067 km (0.07 R)
• M56: 18,489,549 km (0.101 R)
• M57: 19,205,524 km (0.066 R)
• M58: 19,566,953 km (0.079 R)
• M59: 20,235,356 km (0.105 R)
• M60: 20,572,250 km (0.116 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.8

Radius: 6.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.25 AU - 10.37 AU

Year: 20156 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 47,083,723 km

• M1: 110,702 km (0.108 R)
• M2: 163,510 km (0.118 R)
• M3: 230,530 km (0.086 R)
• M4: 333,603 km (0.105 R)
• M5: 496,216 km (0.031 R)
• M6: 1,475,334 km (0.085 R)
• M7: 1,563,597 km (0.08 R)
• M8: 1,815,520 km (0.101 R)
• M9: 1,886,429 km (0.112 R)
• M10: 2,006,706 km (0.096 R)
• M11: 2,129,675 km (0.066 R)
• M12: 2,408,675 km (0.041 R)
• M13: 3,401,108 km (0.094 R)
• M14: 3,757,001 km (0.05 R)
• M15: 3,908,843 km (0.065 R)
• M16: 5,228,296 km (0.073 R)
• M17: 5,638,493 km (0.094 R)
• M18: 5,777,470 km (0.069 R)
• M19: 5,988,253 km (0.043 R)
• M20: 6,237,184 km (0.103 R)
• M21: 6,598,762 km (0.105 R)
• M22: 7,878,422 km (0.095 R)
• M23: 7,917,168 km (0.108 R)
• M24: 8,112,094 km (0.112 R)
• M25: 10,103,840 km (0.076 R)
• M26: 10,742,473 km (0.117 R)
• M27: 10,914,960 km (0.114 R)
• M28: 11,658,162 km (0.115 R)
• M29: 12,013,607 km (0.041 R)
• M30: 12,780,595 km (0.118 R)
• M31: 14,504,112 km (0.051 R)
• M32: 15,758,191 km (0.085 R)
• M33: 17,449,844 km (0.095 R)
• M34: 18,420,135 km (0.119 R)
• M35: 19,146,134 km (0.062 R)
• M36: 19,407,781 km (0.099 R)
• M37: 20,572,699 km (0.059 R)
• M38: 21,488,388 km (0.093 R)
• M39: 21,542,542 km (0.059 R)
• M40: 23,862,955 km (0.084 R)
• M41: 24,597,181 km (0.067 R)
• M42: 24,653,879 km (0.089 R)
• M43: 25,224,146 km (0.062 R)
• M44: 25,798,751 km (0.094 R)
• M45: 27,077,813 km (0.113 R)
• M46: 27,253,890 km (0.081 R)
• M47: 27,312,682 km (0.091 R)
• M48: 27,961,787 km (0.1 R)
• M49: 28,139,808 km (0.084 R)
• M50: 28,199,199 km (0.067 R)
• M51: 29,818,446 km (0.077 R)
• M52: 29,879,033 km (0.094 R)
• M53: 30,304,041 km (0.107 R)
• M54: 30,425,813 km (0.094 R)
• M55: 30,730,993 km (0.082 R)
• M56: 30,975,885 km (0.115 R)
• M57: 31,714,449 km (0.071 R)
• M58: 32,086,051 km (0.108 R)
• M59: 32,147,984 km (0.065 R)
• M60: 32,770,760 km (0.111 R)
• M61: 35,045,396 km (0.119 R)
• M62: 35,365,236 km (0.118 R)
• M63: 35,750,450 km (0.049 R)
• M64: 36,330,890 km (0.094 R)
• M65: 36,914,322 km (0.109 R)
• M66: 37,239,847 km (0.111 R)
• M67: 37,305,071 km (0.1 R)
• M68: 37,697,167 km (0.113 R)
• M69: 38,683,466 km (0.081 R)
• M70: 38,881,683 km (0.112 R)
• M71: 39,080,349 km (0.093 R)
• M72: 39,744,713 km (0.11 R)
• M73: 40,278,927 km (0.116 R)
• M74: 40,748,366 km (0.109 R)
• M75: 40,882,854 km (0.115 R)
• M76: 41,895,931 km (0.114 R)
• M77: 42,099,534 km (0.092 R)
• M78: 43,259,515 km (0.059 R)
• M79: 43,946,768 km (0.044 R)
• M80: 46,310,265 km (0.096 R)
• M81: 46,801,993 km (0.088 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 300 - 19,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit