🌌 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 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712

Radius: 13.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.41 AU - 0.67 AU

Year: 274 Days

Day: 10.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,307,760 km

• M1: 172,935 km (0.066 R)
• M2: 656,435 km (0.032 R)
• M3: 1,299,856 km (0.064 R)
• M4: 1,856,061 km (0.032 R)
• M5: 2,859,713 km (0.12 R)
• M6: 3,420,256 km (0.098 R)
• M7: 3,958,659 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.4

Radius: 10.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.71 AU - 0.75 AU

Year: 431 Days

Day: 14.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 124.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,307,760 km

• M1: 125,812 km (0.095 R)
• M2: 653,743 km (0.111 R)
• M3: 1,171,052 km (0.066 R)
• M4: 1,496,428 km (0.068 R)
• M5: 2,198,939 km (0.062 R)
• M6: 2,684,833 km (0.088 R)
• M7: 3,007,964 km (0.057 R)
• M8: 3,357,275 km (0.098 R)
• M9: 3,756,702 km (0.08 R)
• M10: 4,376,785 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.2

Radius: 13

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.06 AU - 1.12 AU

Year: 786 Days

Day: 12.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,307,760 km

• M1: 163,211 km (0.103 R)
• M2: 573,857 km (0.055 R)
• M3: 1,204,113 km (0.046 R)
• M4: 1,697,487 km (0.115 R)
• M5: 2,106,637 km (0.115 R)
• M6: 2,768,159 km (0.105 R)
• M7: 3,783,480 km (0.055 R)
• M8: 4,462,654 km (0.073 R)
• M9: 5,169,953 km (0.119 R)
• M10: 5,931,855 km (0.077 R)
• M11: 6,561,512 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.6

Radius: 14.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.58 AU - 4.12 AU

Year: 4232 Days

Day: 7.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,307,760 km

• M1: 179,368 km (0.119 R)
• M2: 1,243,757 km (0.115 R)
• M3: 1,708,856 km (0.032 R)
• M4: 2,616,916 km (0.111 R)
• M5: 3,260,336 km (0.084 R)
• M6: 4,485,094 km (0.053 R)
• M7: 5,670,806 km (0.096 R)
• M8: 7,470,918 km (0.079 R)
• M9: 8,198,412 km (0.082 R)
• M10: 9,460,270 km (0.115 R)
• M11: 11,355,376 km (0.093 R)
• M12: 11,926,840 km (0.07 R)
• M13: 12,617,683 km (0.036 R)
• M14: 13,650,955 km (0.079 R)
• M15: 15,134,218 km (0.081 R)
• M16: 15,593,783 km (0.071 R)
• M17: 16,300,633 km (0.068 R)
• M18: 17,090,360 km (0.037 R)
• M19: 19,545,859 km (0.08 R)
• M20: 20,229,222 km (0.104 R)
• M21: 20,928,593 km (0.047 R)
• M22: 25,147,402 km (0.092 R)
• M23: 26,532,678 km (0.066 R)
• M24: 28,574,240 km (0.069 R)
• M25: 29,455,073 km (0.046 R)
• M26: 30,082,486 km (0.064 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.6

Radius: 4

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.72 AU - 7.08 AU

Year: 9892 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,307,760 km

• M1: 53,706 km (0.065 R)
• M2: 320,139 km (0.087 R)
• M3: 528,529 km (0.12 R)
• M4: 761,304 km (0.109 R)
• M5: 931,696 km (0.112 R)
• M6: 1,883,437 km (0.087 R)
• M7: 2,326,097 km (0.071 R)
• M8: 2,779,080 km (0.06 R)
• M9: 3,371,936 km (0.036 R)
• M10: 3,521,534 km (0.116 R)
• M11: 4,362,872 km (0.044 R)
• M12: 5,445,662 km (0.075 R)
• M13: 9,116,345 km (0.025 R)
• M14: 9,661,778 km (0.112 R)
• M15: 10,008,098 km (0.089 R)
• M16: 10,140,192 km (0.091 R)
• M17: 10,452,702 km (0.118 R)
• M18: 11,238,390 km (0.114 R)
• M19: 13,346,823 km (0.084 R)
• M20: 14,437,691 km (0.119 R)
• M21: 14,719,533 km (0.11 R)
• M22: 16,062,922 km (0.084 R)
• M23: 19,329,242 km (0.08 R)
• M24: 19,534,041 km (0.098 R)
• M25: 19,878,715 km (0.117 R)
• M26: 23,551,193 km (0.098 R)
• M27: 31,348,982 km (0.072 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.1

Radius: 7.4

Gravity: 14.14 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.05 AU - 7.61 AU

Year: 10993 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,307,760 km

• M1: 92,152 km (0.077 R)
• M2: 343,776 km (0.116 R)
• M3: 657,333 km (0.118 R)
• M4: 901,776 km (0.099 R)
• M5: 1,931,309 km (0.045 R)
• M6: 2,759,333 km (0.091 R)
• M7: 4,583,529 km (0.101 R)
• M8: 5,158,883 km (0.103 R)
• M9: 5,464,212 km (0.079 R)
• M10: 6,261,568 km (0.095 R)
• M11: 9,069,820 km (0.073 R)
• M12: 10,829,689 km (0.118 R)
• M13: 13,177,777 km (0.119 R)
• M14: 15,563,564 km (0.047 R)
• M15: 17,080,786 km (0.067 R)
• M16: 18,694,199 km (0.093 R)
• M17: 25,772,572 km (0.1 R)
• M18: 27,785,860 km (0.088 R)
• M19: 28,936,716 km (0.077 R)
• M20: 34,332,263 km (0.063 R)
• M21: 36,393,272 km (0.03 R)
• M22: 46,767,735 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 158.7

Radius: 5.1

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 6.82 AU - 6.96 AU

Year: 12484 Days

Day: 23.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,307,760 km

• M1: 63,429 km (0.092 R)
• M2: 249,230 km (0.032 R)
• M3: 467,194 km (0.102 R)
• M4: 827,426 km (0.084 R)
• M5: 1,355,806 km (0.086 R)
• M6: 1,536,669 km (0.036 R)
• M7: 1,733,690 km (0.07 R)
• M8: 2,179,043 km (0.065 R)
• M9: 2,697,250 km (0.093 R)
• M10: 3,357,874 km (0.1 R)
• M11: 4,399,075 km (0.079 R)
• M12: 5,338,998 km (0.094 R)
• M13: 5,608,723 km (0.115 R)
• M14: 8,541,590 km (0.048 R)
• M15: 10,775,535 km (0.102 R)
• M16: 13,646,019 km (0.112 R)
• M17: 15,196,301 km (0.105 R)
• M18: 18,101,642 km (0.111 R)
• M19: 22,266,147 km (0.066 R)
• M20: 23,279,822 km (0.108 R)
• M21: 29,550,217 km (0.049 R)
• M22: 31,156,449 km (0.074 R)
• M23: 32,720,645 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 442.2

Radius: 7.8

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.86 AU - 8 AU

Year: 12592 Days

Day: 15.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,307,760 km

• M1: 97,239 km (0.104 R)
• M2: 841,338 km (0.094 R)
• M3: 1,143,975 km (0.1 R)
• M4: 1,561,203 km (0.066 R)
• M5: 2,146,430 km (0.065 R)
• M6: 2,499,631 km (0.108 R)
• M7: 4,148,050 km (0.101 R)
• M8: 5,102,335 km (0.114 R)
• M9: 5,362,336 km (0.111 R)
• M10: 6,643,941 km (0.087 R)
• M11: 7,646,396 km (0.101 R)
• M12: 8,428,194 km (0.065 R)
• M13: 9,358,244 km (0.112 R)
• M14: 14,858,210 km (0.076 R)
• M15: 16,003,681 km (0.059 R)
• M16: 19,475,249 km (0.111 R)
• M17: 19,791,948 km (0.119 R)
• M18: 22,365,031 km (0.082 R)
• M19: 24,596,284 km (0.087 R)
• M20: 25,528,877 km (0.108 R)
• M21: 26,776,224 km (0.08 R)
• M22: 29,600,033 km (0.087 R)
• M23: 33,401,315 km (0.11 R)
• M24: 38,129,954 km (0.112 R)
• M25: 46,875,894 km (0.1 R)
• M26: 47,875,208 km (0.088 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: 162 - 14,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit