🌌 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: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.45 AU - 0.63 AU

Year: 260 Days

Day: 22.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 9.4

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.7 AU - 0.98 AU

Year: 505 Days

Day: 10.3 Hours

Environment

Temp: -142 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 36,034,403 km

• M1: 118,182 km (0.117 R)
• M2: 190,887 km (0.079 R)
• M3: 251,773 km (0.109 R)
• M4: 321,037 km (0.053 R)
• M5: 396,285 km (0.039 R)
• M6: 463,155 km (0.088 R)
• M7: 528,080 km (0.11 R)
• M8: 589,565 km (0.092 R)
• M9: 724,502 km (0.036 R)
• M10: 809,923 km (0.079 R)
• M11: 878,439 km (0.113 R)
• M12: 978,669 km (0.113 R)
• M13: 1,061,098 km (0.085 R)
• M14: 1,123,330 km (0.034 R)
• M15: 1,209,798 km (0.111 R)
• M16: 1,294,022 km (0.081 R)
• M17: 1,370,616 km (0.081 R)
• M18: 1,453,643 km (0.032 R)
• M19: 1,619,846 km (0.113 R)
• M20: 1,750,145 km (0.1 R)
• M21: 1,846,038 km (0.085 R)
• M22: 1,949,260 km (0.119 R)
• M23: 2,032,137 km (0.107 R)
• M24: 2,127,581 km (0.115 R)
• M25: 2,264,912 km (0.068 R)
• M26: 2,358,111 km (0.09 R)
• M27: 2,434,855 km (0.077 R)
• M28: 2,584,752 km (0.112 R)
• M29: 2,787,308 km (0.075 R)
• M30: 2,856,123 km (0.099 R)
• M31: 3,033,546 km (0.073 R)
• M32: 3,162,649 km (0.059 R)
• M33: 3,247,471 km (0.112 R)
• M34: 3,615,033 km (0.114 R)
• M35: 3,876,829 km (0.074 R)
• M36: 4,003,089 km (0.082 R)
• M37: 4,130,547 km (0.1 R)
• M38: 4,209,235 km (0.099 R)
• M39: 4,288,373 km (0.089 R)
• M40: 4,418,972 km (0.099 R)
• M41: 4,796,108 km (0.059 R)
• M42: 4,856,246 km (0.038 R)
• M43: 5,022,898 km (0.098 R)
• M44: 5,191,495 km (0.099 R)
• M45: 5,260,908 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 13

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.09 AU - 1.43 AU

Year: 928 Days

Day: 14.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 36,034,403 km

• M1: 175,329 km (0.11 R)
• M2: 312,360 km (0.104 R)
• M3: 395,836 km (0.116 R)
• M4: 520,900 km (0.082 R)
• M5: 608,115 km (0.116 R)
• M6: 745,895 km (0.07 R)
• M7: 833,260 km (0.068 R)
• M8: 949,348 km (0.112 R)
• M9: 1,087,128 km (0.077 R)
• M10: 1,232,088 km (0.073 R)
• M11: 1,321,248 km (0.097 R)
• M12: 1,435,990 km (0.109 R)
• M13: 1,620,893 km (0.059 R)
• M14: 1,794,875 km (0.115 R)
• M15: 1,962,275 km (0.098 R)
• M16: 2,431,863 km (0.086 R)
• M17: 2,545,857 km (0.088 R)
• M18: 2,632,474 km (0.104 R)
• M19: 2,764,419 km (0.062 R)
• M20: 2,853,729 km (0.082 R)
• M21: 2,981,785 km (0.045 R)
• M22: 3,127,343 km (0.089 R)
• M23: 3,330,348 km (0.076 R)
• M24: 3,449,577 km (0.055 R)
• M25: 3,562,075 km (0.069 R)
• M26: 3,848,854 km (0.118 R)
• M27: 4,220,156 km (0.118 R)
• M28: 4,340,881 km (0.079 R)
• M29: 4,462,654 km (0.096 R)
• M30: 4,835,003 km (0.112 R)
• M31: 4,952,288 km (0.081 R)
• M32: 5,034,118 km (0.105 R)
• M33: 5,153,048 km (0.068 R)
• M34: 5,553,223 km (0.111 R)
• M35: 5,695,191 km (0.075 R)
• M36: 5,953,846 km (0.051 R)
• M37: 6,109,128 km (0.081 R)
• M38: 6,245,861 km (0.036 R)
• M39: 6,354,170 km (0.112 R)
• M40: 6,443,180 km (0.106 R)
• M41: 6,532,789 km (0.109 R)
• M42: 6,722,928 km (0.066 R)
• M43: 6,823,907 km (0.097 R)
• M44: 6,904,989 km (0.064 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.2

Radius: 7.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.27 AU - 8.59 AU

Year: 11968 Days

Day: 23.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 36,034,403 km

• M1: 186,100 km (0.09 R)
• M2: 288,275 km (0.089 R)
• M3: 347,815 km (0.079 R)
• M4: 423,811 km (0.066 R)
• M5: 530,624 km (0.086 R)
• M6: 800,947 km (0.119 R)
• M7: 1,127,818 km (0.095 R)
• M8: 1,280,109 km (0.119 R)
• M9: 1,332,468 km (0.05 R)
• M10: 1,385,426 km (0.091 R)
• M11: 1,548,936 km (0.098 R)
• M12: 1,661,434 km (0.112 R)
• M13: 1,718,730 km (0.079 R)
• M14: 1,796,222 km (0.099 R)
• M15: 1,874,910 km (0.076 R)
• M16: 2,035,578 km (0.103 R)
• M17: 2,435,603 km (0.074 R)
• M18: 2,589,090 km (0.057 R)
• M19: 3,379,416 km (0.048 R)
• M20: 3,550,855 km (0.11 R)
• M21: 3,600,372 km (0.062 R)
• M22: 3,675,171 km (0.072 R)
• M23: 5,106,673 km (0.113 R)
• M24: 5,792,430 km (0.086 R)
• M25: 6,355,815 km (0.069 R)
• M26: 6,690,017 km (0.111 R)
• M27: 7,092,285 km (0.112 R)
• M28: 7,154,967 km (0.045 R)
• M29: 7,312,194 km (0.074 R)
• M30: 8,478,310 km (0.084 R)
• M31: 8,812,362 km (0.114 R)
• M32: 8,879,681 km (0.099 R)
• M33: 9,287,335 km (0.06 R)
• M34: 9,700,973 km (0.053 R)
• M35: 9,875,255 km (0.105 R)
• M36: 10,156,050 km (0.115 R)
• M37: 10,226,660 km (0.054 R)
• M38: 11,014,293 km (0.039 R)
• M39: 11,821,373 km (0.053 R)
• M40: 12,609,455 km (0.113 R)
• M41: 13,028,927 km (0.094 R)
• M42: 13,259,757 km (0.088 R)
• M43: 13,336,949 km (0.113 R)
• M44: 13,414,441 km (0.085 R)
• M45: 13,491,933 km (0.098 R)
• M46: 13,686,410 km (0.093 R)
• M47: 14,117,551 km (0.101 R)
• M48: 14,473,594 km (0.069 R)
• M49: 15,763,427 km (0.098 R)
• M50: 16,174,073 km (0.041 R)
• M51: 16,838,288 km (0.062 R)
• M52: 17,300,096 km (0.095 R)
• M53: 17,638,636 km (0.118 R)
• M54: 18,022,055 km (0.112 R)
• M55: 18,408,317 km (0.045 R)
• M56: 18,927,571 km (0.081 R)
• M57: 19,495,445 km (0.06 R)
• M58: 19,583,259 km (0.059 R)
• M59: 20,290,857 km (0.118 R)
• M60: 20,961,953 km (0.088 R)
• M61: 21,142,069 km (0.114 R)
• M62: 21,277,604 km (0.11 R)
• M63: 21,368,111 km (0.077 R)
• M64: 22,879,199 km (0.052 R)
• M65: 23,250,800 km (0.111 R)
• M66: 24,188,330 km (0.107 R)
• M67: 24,282,726 km (0.114 R)
• M68: 24,756,802 km (0.041 R)
• M69: 24,804,374 km (0.092 R)
• M70: 24,947,240 km (0.103 R)
• M71: 25,617,588 km (0.105 R)
• M72: 26,100,191 km (0.093 R)
• M73: 26,634,405 km (0.041 R)
• M74: 27,123,141 km (0.056 R)
• M75: 27,615,019 km (0.107 R)
• M76: 29,510,424 km (0.066 R)
• M77: 30,422,821 km (0.097 R)
• M78: 32,587,652 km (0.11 R)
• M79: 33,005,479 km (0.115 R)
• M80: 33,425,251 km (0.063 R)
• M81: 33,688,543 km (0.098 R)
• M82: 35,603,994 km (0.083 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 14,172 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit