🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816

Radius: 10.8

Gravity: 7 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.7 AU - 0.8 AU

Year: 441 Days

Day: 6 Hours

Environment

Temp: -164 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,493,756 km

• M1: 134,339 km (0.072 R)
• M2: 522,545 km (0.04 R)
• M3: 900,579 km (0.071 R)
• M4: 1,434,494 km (0.07 R)
• M5: 1,877,603 km (0.103 R)
• M6: 3,044,466 km (0.096 R)
• M7: 3,394,675 km (0.078 R)
• M8: 3,733,065 km (0.112 R)
• M9: 4,552,114 km (0.09 R)
• M10: 5,588,677 km (0.119 R)
• M11: 6,063,052 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.9

Radius: 14.9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.75 AU - 0.93 AU

Year: 522 Days

Day: 11.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,493,756 km

• M1: 185,501 km (0.073 R)
• M2: 694,284 km (0.032 R)
• M3: 1,253,481 km (0.104 R)
• M4: 1,910,963 km (0.12 R)
• M5: 2,479,286 km (0.042 R)
• M6: 2,978,942 km (0.089 R)
• M7: 3,571,500 km (0.087 R)
• M8: 4,518,903 km (0.103 R)
• M9: 5,207,053 km (0.09 R)
• M10: 5,750,692 km (0.072 R)
• M11: 6,257,380 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.5

Radius: 8.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.13 AU - 1.21 AU

Year: 858 Days

Day: 5.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,493,756 km

• M1: 108,159 km (0.113 R)
• M2: 419,173 km (0.062 R)
• M3: 827,276 km (0.066 R)
• M4: 1,645,277 km (0.03 R)
• M5: 2,107,535 km (0.07 R)
• M6: 4,798,501 km (0.106 R)
• M7: 5,249,240 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.8

Radius: 9

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.85 AU - 3.85 AU

Year: 4159 Days

Day: 7.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 60,493,756 km

• M1: 112,049 km (0.03 R)
• M2: 419,173 km (0.111 R)
• M3: 936,034 km (0.081 R)
• M4: 1,764,806 km (0.097 R)
• M5: 2,055,924 km (0.087 R)
• M6: 2,569,942 km (0.117 R)
• M7: 3,186,285 km (0.096 R)
• M8: 4,074,597 km (0.112 R)
• M9: 5,468,101 km (0.059 R)
• M10: 6,394,411 km (0.116 R)
• M11: 6,895,115 km (0.083 R)
• M12: 7,729,572 km (0.078 R)
• M13: 8,117,480 km (0.076 R)
• M14: 8,667,252 km (0.117 R)
• M15: 10,423,980 km (0.097 R)
• M16: 10,854,223 km (0.058 R)
• M17: 11,612,684 km (0.111 R)
• M18: 12,938,570 km (0.086 R)
• M19: 17,458,820 km (0.078 R)
• M20: 17,882,331 km (0.102 R)
• M21: 18,939,539 km (0.081 R)
• M22: 20,368,947 km (0.077 R)
• M23: 21,660,126 km (0.108 R)
• M24: 23,808,651 km (0.088 R)
• M25: 25,704,505 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 684.9

Radius: 4.1

Gravity: 40.74 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.41 AU - 10.23 AU

Year: 16277 Days

Day: 19.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 60,493,756 km

• M1: 66,721 km (0.115 R)
• M2: 664,663 km (0.041 R)
• M3: 1,098,946 km (0.094 R)
• M4: 1,521,410 km (0.069 R)
• M5: 1,769,743 km (0.064 R)
• M6: 1,912,908 km (0.09 R)
• M7: 2,083,150 km (0.045 R)
• M8: 2,222,576 km (0.078 R)
• M9: 2,564,855 km (0.075 R)
• M10: 2,819,920 km (0.046 R)
• M11: 3,462,592 km (0.1 R)
• M12: 4,519,052 km (0.067 R)
• M13: 4,856,545 km (0.058 R)
• M14: 7,064,161 km (0.072 R)
• M15: 8,586,020 km (0.105 R)
• M16: 11,197,700 km (0.11 R)
• M17: 12,003,883 km (0.051 R)
• M18: 13,048,375 km (0.04 R)
• M19: 13,318,698 km (0.036 R)
• M20: 13,731,140 km (0.065 R)
• M21: 13,940,577 km (0.098 R)
• M22: 14,223,018 km (0.102 R)
• M23: 16,622,119 km (0.032 R)
• M24: 19,716,551 km (0.093 R)
• M25: 22,107,125 km (0.117 R)
• M26: 24,786,871 km (0.049 R)
• M27: 28,233,756 km (0.057 R)
• M28: 29,953,982 km (0.103 R)
• M29: 34,493,679 km (0.102 R)
• M30: 36,859,120 km (0.114 R)
• M31: 43,091,966 km (0.108 R)
• M32: 46,456,272 km (0.105 R)
• M33: 48,686,029 km (0.091 R)
• M34: 49,499,243 km (0.118 R)
• M35: 54,919,772 km (0.088 R)
• M36: 60,722,823 km (0.069 R)
• M37: 62,808,217 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.1

Radius: 3

Gravity: 55.12 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 8.27 AU - 8.63 AU

Year: 16660 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 60,493,756 km

• M1: 37,699 km (0.12 R)
• M2: 134,189 km (0.088 R)
• M3: 407,804 km (0.048 R)
• M4: 528,230 km (0.094 R)
• M5: 1,051,673 km (0.055 R)
• M6: 1,308,383 km (0.108 R)
• M7: 1,589,328 km (0.089 R)
• M8: 2,036,925 km (0.096 R)
• M9: 4,023,734 km (0.063 R)
• M10: 4,296,152 km (0.103 R)
• M11: 5,364,729 km (0.026 R)
• M12: 5,583,142 km (0.054 R)
• M13: 6,354,170 km (0.078 R)
• M14: 6,977,245 km (0.113 R)
• M15: 8,295,052 km (0.095 R)
• M16: 9,037,955 km (0.115 R)
• M17: 9,716,531 km (0.098 R)
• M18: 11,411,176 km (0.078 R)
• M19: 13,030,723 km (0.055 R)
• M20: 15,517,039 km (0.107 R)
• M21: 16,793,857 km (0.118 R)
• M22: 17,896,692 km (0.089 R)
• M23: 19,299,472 km (0.087 R)
• M24: 19,639,807 km (0.053 R)
• M25: 23,555,830 km (0.03 R)
• M26: 23,652,620 km (0.053 R)
• M27: 24,535,696 km (0.045 R)
• M28: 25,746,990 km (0.117 R)
• M29: 27,637,608 km (0.104 R)
• M30: 28,616,876 km (0.084 R)
• M31: 30,990,994 km (0.081 R)
• M32: 32,404,993 km (0.095 R)
• M33: 33,371,096 km (0.065 R)
• M34: 33,493,168 km (0.064 R)
• M35: 35,742,222 km (0.067 R)
• M36: 38,894,848 km (0.118 R)
• M37: 44,552,191 km (0.1 R)
• M38: 52,035,076 km (0.097 R)
• M39: 53,525,370 km (0.067 R)
• M40: 60,493,789 km (0.037 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: 327 - 13,009 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit