🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.6

Radius: 12.5

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.39 AU - 0.65 AU

Year: 254 Days

Day: 7 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 51,808,920 km

• M1: 155,582 km (0.117 R)
• M2: 690,843 km (0.105 R)
• M3: 1,273,826 km (0.094 R)
• M4: 1,744,610 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.9

Radius: 12.9

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.91 AU - 1.01 AU

Year: 638 Days

Day: 14.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,808,920 km

• M1: 160,519 km (0.113 R)
• M2: 597,045 km (0.108 R)
• M3: 1,472,641 km (0.081 R)
• M4: 2,029,894 km (0.088 R)
• M5: 2,510,701 km (0.102 R)
• M6: 3,576,586 km (0.098 R)
• M7: 4,029,718 km (0.104 R)
• M8: 4,476,417 km (0.102 R)
• M9: 5,608,424 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 11

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.95 AU - 1.03 AU

Year: 668 Days

Day: 5.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,808,920 km

• M1: 137,480 km (0.069 R)
• M2: 499,507 km (0.109 R)
• M3: 1,785,151 km (0.102 R)
• M4: 2,135,360 km (0.114 R)
• M5: 2,510,402 km (0.088 R)
• M6: 2,894,120 km (0.058 R)
• M7: 3,752,513 km (0.088 R)
• M8: 4,164,805 km (0.11 R)
• M9: 5,028,732 km (0.105 R)
• M10: 5,512,831 km (0.06 R)
• M11: 6,327,691 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131

Radius: 10.3

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.77 AU - 1.21 AU

Year: 668 Days

Day: 11.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,808,920 km

• M1: 128,056 km (0.095 R)
• M2: 491,878 km (0.094 R)
• M3: 942,167 km (0.113 R)
• M4: 1,369,868 km (0.114 R)
• M5: 1,777,372 km (0.109 R)
• M6: 2,459,090 km (0.048 R)
• M7: 3,524,376 km (0.059 R)
• M8: 4,428,695 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.4

Radius: 12.5

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.45 AU - 1.49 AU

Year: 1209 Days

Day: 13.8 Hours

Environment

Temp: -182 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,808,920 km

• M1: 155,582 km (0.063 R)
• M2: 596,596 km (0.092 R)
• M3: 1,176,288 km (0.105 R)
• M4: 1,570,329 km (0.109 R)
• M5: 2,101,551 km (0.089 R)
• M6: 2,716,997 km (0.032 R)
• M7: 4,140,869 km (0.104 R)
• M8: 5,149,608 km (0.095 R)
• M9: 5,779,415 km (0.111 R)
• M10: 6,173,455 km (0.034 R)
• M11: 7,351,090 km (0.068 R)
• M12: 8,102,071 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.1

Radius: 11.2

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2 AU - 2.1 AU

Year: 1991 Days

Day: 13.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,808,920 km

• M1: 140,323 km (0.086 R)
• M2: 701,165 km (0.118 R)
• M3: 1,209,648 km (0.12 R)
• M4: 1,876,855 km (0.12 R)
• M5: 2,295,280 km (0.114 R)
• M6: 2,852,233 km (0.114 R)
• M7: 3,426,988 km (0.078 R)
• M8: 4,058,141 km (0.08 R)
• M9: 4,875,993 km (0.117 R)
• M10: 5,528,539 km (0.11 R)
• M11: 5,952,499 km (0.112 R)
• M12: 6,587,991 km (0.117 R)
• M13: 7,595,533 km (0.112 R)
• M14: 8,473,074 km (0.083 R)
• M15: 9,243,353 km (0.065 R)
• M16: 11,877,024 km (0.094 R)
• M17: 14,502,616 km (0.055 R)
• M18: 15,409,029 km (0.04 R)
• M19: 16,968,438 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.6

Radius: 11.7

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.59 AU - 4.23 AU

Year: 5244 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,808,920 km

• M1: 145,559 km (0.054 R)
• M2: 523,742 km (0.09 R)
• M3: 934,687 km (0.097 R)
• M4: 1,316,012 km (0.111 R)
• M5: 2,210,009 km (0.056 R)
• M6: 2,609,136 km (0.079 R)
• M7: 3,597,380 km (0.037 R)
• M8: 4,515,761 km (0.043 R)
• M9: 5,137,939 km (0.108 R)
• M10: 7,318,328 km (0.109 R)
• M11: 8,030,414 km (0.116 R)
• M12: 8,441,359 km (0.06 R)
• M13: 9,387,117 km (0.093 R)
• M14: 13,053,611 km (0.059 R)
• M15: 13,466,052 km (0.081 R)
• M16: 14,535,528 km (0.08 R)
• M17: 20,400,961 km (0.078 R)
• M18: 20,817,142 km (0.104 R)
• M19: 23,208,464 km (0.093 R)
• M20: 24,901,014 km (0.091 R)
• M21: 26,182,619 km (0.054 R)
• M22: 29,490,079 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 995.2

Radius: 4.6

Gravity: 47.03 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 7.19 AU - 11.63 AU

Year: 19578 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 79 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 51,808,920 km

• M1: 57,446 km (0.095 R)
• M2: 266,135 km (0.117 R)
• M3: 438,621 km (0.101 R)
• M4: 594,801 km (0.063 R)
• M5: 889,359 km (0.05 R)
• M6: 1,245,701 km (0.119 R)
• M7: 1,601,744 km (0.099 R)
• M8: 1,861,746 km (0.093 R)
• M9: 2,106,637 km (0.108 R)
• M10: 2,419,147 km (0.114 R)
• M11: 2,685,731 km (0.056 R)
• M12: 3,513,456 km (0.11 R)
• M13: 4,357,936 km (0.114 R)
• M14: 4,864,773 km (0.04 R)
• M15: 5,655,697 km (0.108 R)
• M16: 6,997,889 km (0.103 R)
• M17: 8,054,948 km (0.072 R)
• M18: 8,538,897 km (0.084 R)
• M19: 9,803,448 km (0.061 R)
• M20: 10,046,095 km (0.078 R)
• M21: 11,790,107 km (0.112 R)
• M22: 14,493,640 km (0.089 R)
• M23: 15,616,073 km (0.046 R)
• M24: 20,390,489 km (0.118 R)
• M25: 21,287,328 km (0.095 R)
• M26: 25,707,945 km (0.103 R)
• M27: 26,990,149 km (0.059 R)
• M28: 27,227,860 km (0.104 R)
• M29: 27,466,917 km (0.116 R)
• M30: 37,475,613 km (0.099 R)
• M31: 38,367,665 km (0.076 R)
• M32: 47,214,285 km (0.095 R)
• M33: 47,906,025 km (0.086 R)
• M34: 53,685,440 km (0.045 R)
• M35: 61,746,521 km (0.102 R)
• M36: 64,250,041 km (0.046 R)
• M37: 73,544,108 km (0.065 R)
• M38: 74,473,410 km (0.058 R)
• M39: 81,198,134 km (0.095 R)
• M40: 81,941,785 km (0.21 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 220

Radius: 7.9

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 9.37 AU - 9.61 AU

Year: 19829 Days

Day: 21.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,808,920 km

• M1: 98,286 km (0.056 R)
• M2: 356,791 km (0.04 R)
• M3: 1,093,560 km (0.045 R)
• M4: 1,385,725 km (0.112 R)
• M5: 1,792,631 km (0.044 R)
• M6: 2,130,722 km (0.092 R)
• M7: 3,236,999 km (0.08 R)
• M8: 6,639,901 km (0.12 R)
• M9: 6,957,647 km (0.107 R)
• M10: 7,285,566 km (0.039 R)
• M11: 9,674,644 km (0.064 R)
• M12: 11,606,252 km (0.08 R)
• M13: 14,364,986 km (0.108 R)
• M14: 15,790,654 km (0.12 R)
• M15: 16,938,369 km (0.046 R)
• M16: 18,527,995 km (0.106 R)
• M17: 19,158,850 km (0.087 R)
• M18: 19,804,065 km (0.067 R)
• M19: 24,075,683 km (0.037 R)
• M20: 28,505,725 km (0.067 R)
• M21: 29,346,315 km (0.097 R)
• M22: 30,856,954 km (0.093 R)
• M23: 33,450,233 km (0.074 R)
• M24: 49,366,250 km (0.066 R)
• M25: 51,808,884 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 20,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit