🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.8

Radius: 8.7

Gravity: 11.1 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.62 AU - 0.8 AU

Year: 413 Days

Day: 13.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,500,336 km

• M1: 108,309 km (0.1 R)
• M2: 554,260 km (0.113 R)
• M3: 940,223 km (0.079 R)
• M4: 1,270,834 km (0.095 R)
• M5: 1,571,077 km (0.099 R)
• M6: 1,902,885 km (0.029 R)
• M7: 2,226,914 km (0.089 R)
• M8: 2,587,744 km (0.114 R)
• M9: 3,054,190 km (0.102 R)
• M10: 3,600,821 km (0.074 R)
• M11: 3,937,865 km (0.071 R)
• M12: 4,395,784 km (0.071 R)
• M13: 4,935,533 km (0.102 R)
• M14: 5,620,242 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.3

Radius: 12.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.68 AU - 0.82 AU

Year: 448 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,500,336 km

• M1: 162,014 km (0.056 R)
• M2: 1,043,595 km (0.111 R)
• M3: 1,521,410 km (0.108 R)
• M4: 2,131,919 km (0.109 R)
• M5: 2,595,523 km (0.115 R)
• M6: 3,751,466 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.7

Radius: 8

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.09 AU - 2.13 AU

Year: 2116 Days

Day: 10.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,500,336 km

• M1: 99,632 km (0.073 R)
• M2: 371,601 km (0.112 R)
• M3: 652,845 km (0.058 R)
• M4: 1,184,516 km (0.025 R)
• M5: 1,909,168 km (0.104 R)
• M6: 2,561,415 km (0.102 R)
• M7: 2,900,703 km (0.092 R)
• M8: 3,562,673 km (0.081 R)
• M9: 4,240,950 km (0.105 R)
• M10: 4,506,037 km (0.091 R)
• M11: 5,252,381 km (0.102 R)
• M12: 5,582,693 km (0.067 R)
• M13: 7,016,888 km (0.113 R)
• M14: 7,301,872 km (0.105 R)
• M15: 8,424,454 km (0.102 R)
• M16: 9,279,406 km (0.118 R)
• M17: 9,833,517 km (0.099 R)
• M18: 11,315,284 km (0.119 R)
• M19: 13,025,487 km (0.117 R)
• M20: 13,413,244 km (0.104 R)
• M21: 14,761,719 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.3

Radius: 10.2

Gravity: 9.03 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.54 AU - 2.72 AU

Year: 2944 Days

Day: 8.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,500,336 km

• M1: 127,009 km (0.101 R)
• M2: 459,116 km (0.069 R)
• M3: 931,546 km (0.08 R)
• M4: 1,615,807 km (0.09 R)
• M5: 1,938,938 km (0.038 R)
• M6: 2,262,817 km (0.093 R)
• M7: 3,145,594 km (0.057 R)
• M8: 4,133,988 km (0.042 R)
• M9: 4,490,629 km (0.097 R)
• M10: 5,421,128 km (0.072 R)
• M11: 6,043,904 km (0.109 R)
• M12: 6,504,815 km (0.11 R)
• M13: 8,270,518 km (0.069 R)
• M14: 8,875,791 km (0.094 R)
• M15: 9,282,997 km (0.087 R)
• M16: 11,422,396 km (0.093 R)
• M17: 11,904,550 km (0.108 R)
• M18: 12,862,724 km (0.118 R)
• M19: 14,777,427 km (0.096 R)
• M20: 16,155,074 km (0.116 R)
• M21: 16,987,736 km (0.12 R)
• M22: 18,438,835 km (0.059 R)
• M23: 19,782,673 km (0.053 R)
• M24: 21,919,379 km (0.117 R)
• M25: 22,391,660 km (0.05 R)
• M26: 22,939,637 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.1

Radius: 10.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.92 AU - 4.94 AU

Year: 6436 Days

Day: 10.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,500,336 km

• M1: 135,536 km (0.079 R)
• M2: 717,172 km (0.12 R)
• M3: 1,357,451 km (0.093 R)
• M4: 1,792,482 km (0.074 R)
• M5: 2,133,266 km (0.113 R)
• M6: 2,760,978 km (0.072 R)
• M7: 3,183,143 km (0.119 R)
• M8: 4,114,241 km (0.096 R)
• M9: 5,063,589 km (0.064 R)
• M10: 5,590,173 km (0.089 R)
• M11: 8,001,541 km (0.105 R)
• M12: 9,991,043 km (0.089 R)
• M13: 10,651,518 km (0.102 R)
• M14: 13,194,532 km (0.118 R)
• M15: 13,888,666 km (0.051 R)
• M16: 15,512,402 km (0.096 R)
• M17: 17,789,730 km (0.09 R)
• M18: 19,133,119 km (0.086 R)
• M19: 19,574,433 km (0.118 R)
• M20: 20,022,478 km (0.079 R)
• M21: 21,407,904 km (0.09 R)
• M22: 23,424,932 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.6

Radius: 3.2

Gravity: 57.48 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.47 AU - 10.99 AU

Year: 20950 Days

Day: 21.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,500,336 km

• M1: 39,793 km (0.108 R)
• M2: 171,888 km (0.115 R)
• M3: 317,447 km (0.085 R)
• M4: 496,815 km (0.03 R)
• M5: 1,247,347 km (0.098 R)
• M6: 1,802,654 km (0.108 R)
• M7: 2,576,075 km (0.05 R)
• M8: 5,683,821 km (0.114 R)
• M9: 6,700,040 km (0.069 R)
• M10: 8,031,610 km (0.076 R)
• M11: 9,529,833 km (0.107 R)
• M12: 13,418,181 km (0.11 R)
• M13: 14,142,384 km (0.086 R)
• M14: 15,747,569 km (0.078 R)
• M15: 16,227,629 km (0.102 R)
• M16: 19,314,282 km (0.085 R)
• M17: 19,496,492 km (0.105 R)
• M18: 22,467,805 km (0.109 R)
• M19: 24,324,315 km (0.12 R)
• M20: 26,058,303 km (0.102 R)
• M21: 26,169,455 km (0.096 R)
• M22: 30,874,158 km (0.117 R)
• M23: 71,304,479 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.2

Radius: 4.7

Gravity: 24 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 8.52 AU - 11.06 AU

Year: 21144 Days

Day: 21.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,500,336 km

• M1: 60,886 km (0.097 R)
• M2: 213,925 km (0.088 R)
• M3: 446,699 km (0.106 R)
• M4: 701,016 km (0.112 R)
• M5: 883,675 km (0.089 R)
• M6: 1,072,467 km (0.104 R)
• M7: 1,843,644 km (0.08 R)
• M8: 2,014,335 km (0.074 R)
• M9: 4,128,303 km (0.12 R)
• M10: 4,870,757 km (0.032 R)
• M11: 5,619,494 km (0.099 R)
• M12: 6,572,134 km (0.056 R)
• M13: 7,579,526 km (0.046 R)
• M14: 8,633,443 km (0.113 R)
• M15: 9,895,750 km (0.078 R)
• M16: 12,309,212 km (0.096 R)
• M17: 15,012,296 km (0.113 R)
• M18: 17,829,523 km (0.119 R)
• M19: 21,362,127 km (0.118 R)
• M20: 23,342,653 km (0.099 R)
• M21: 24,272,554 km (0.114 R)
• M22: 26,537,765 km (0.11 R)
• M23: 26,760,666 km (0.066 R)
• M24: 35,369,724 km (0.104 R)
• M25: 39,709,109 km (0.086 R)
• M26: 41,930,488 km (0.107 R)
• M27: 44,861,559 km (0.109 R)
• M28: 46,457,768 km (0.091 R)
• M29: 47,761,663 km (0.116 R)
• M30: 48,091,377 km (0.115 R)
• M31: 49,425,641 km (0.091 R)
• M32: 60,035,720 km (0.098 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 379 - 15,813 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit