🌌 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: 571.6

Radius: 8.8

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.69 AU - 0.81 AU

Year: 457 Days

Day: 11.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,402,595 km

• M1: 109,805 km (0.063 R)
• M2: 594,502 km (0.113 R)
• M3: 899,981 km (0.12 R)
• M4: 1,306,737 km (0.105 R)
• M5: 1,991,596 km (0.08 R)
• M6: 2,373,221 km (0.055 R)
• M7: 2,671,070 km (0.117 R)
• M8: 3,216,055 km (0.054 R)
• M9: 4,399,075 km (0.072 R)
• M10: 5,546,939 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.4

Radius: 12.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.42 AU - 2.54 AU

Year: 2745 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,402,595 km

• M1: 156,779 km (0.12 R)
• M2: 721,361 km (0.114 R)
• M3: 1,228,647 km (0.026 R)
• M4: 1,648,868 km (0.097 R)
• M5: 2,636,214 km (0.072 R)
• M6: 3,984,539 km (0.101 R)
• M7: 4,428,247 km (0.093 R)
• M8: 5,119,688 km (0.075 R)
• M9: 5,962,223 km (0.101 R)
• M10: 7,381,309 km (0.104 R)
• M11: 8,021,288 km (0.084 R)
• M12: 10,999,034 km (0.09 R)
• M13: 12,400,467 km (0.103 R)
• M14: 13,398,883 km (0.065 R)
• M15: 13,870,116 km (0.102 R)
• M16: 14,647,128 km (0.105 R)
• M17: 15,555,635 km (0.08 R)
• M18: 16,288,067 km (0.101 R)
• M19: 16,988,484 km (0.093 R)
• M20: 18,974,545 km (0.076 R)
• M21: 19,689,922 km (0.102 R)
• M22: 20,176,564 km (0.083 R)
• M23: 20,733,816 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.7

Radius: 9.1

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.87 AU - 4.57 AU

Year: 5043 Days

Day: 13.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,402,595 km

• M1: 114,442 km (0.079 R)
• M2: 439,668 km (0.096 R)
• M3: 1,078,152 km (0.095 R)
• M4: 1,430,604 km (0.07 R)
• M5: 1,887,028 km (0.058 R)
• M6: 2,520,425 km (0.115 R)
• M7: 5,312,520 km (0.109 R)
• M8: 8,502,694 km (0.066 R)
• M9: 10,127,477 km (0.087 R)
• M10: 14,467,460 km (0.112 R)
• M11: 22,672,156 km (0.096 R)
• M12: 23,044,056 km (0.074 R)
• M13: 27,999,485 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.6

Radius: 14.6

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.09 AU - 4.89 AU

Year: 5602 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,402,595 km

• M1: 181,612 km (0.118 R)
• M2: 799,750 km (0.11 R)
• M3: 1,574,817 km (0.096 R)
• M4: 2,465,971 km (0.119 R)
• M5: 2,962,636 km (0.067 R)
• M6: 3,454,364 km (0.098 R)
• M7: 4,411,192 km (0.108 R)
• M8: 6,400,694 km (0.073 R)
• M9: 7,171,273 km (0.051 R)
• M10: 8,261,542 km (0.107 R)
• M11: 8,829,715 km (0.091 R)
• M12: 9,822,596 km (0.084 R)
• M13: 12,674,380 km (0.087 R)
• M14: 14,939,292 km (0.102 R)
• M15: 17,845,081 km (0.087 R)
• M16: 18,457,385 km (0.109 R)
• M17: 19,547,804 km (0.11 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.2

Radius: 5.7

Gravity: 23.31 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.21 AU - 6.27 AU

Year: 9667 Days

Day: 22.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,402,595 km

• M1: 70,909 km (0.098 R)
• M2: 261,796 km (0.087 R)
• M3: 512,522 km (0.102 R)
• M4: 921,224 km (0.095 R)
• M5: 2,199,089 km (0.068 R)
• M6: 2,482,128 km (0.053 R)
• M7: 3,529,014 km (0.111 R)
• M8: 3,811,305 km (0.108 R)
• M9: 4,053,354 km (0.11 R)
• M10: 6,191,557 km (0.068 R)
• M11: 8,164,453 km (0.069 R)
• M12: 11,435,261 km (0.077 R)
• M13: 11,996,852 km (0.11 R)
• M14: 12,459,109 km (0.119 R)
• M15: 15,827,156 km (0.057 R)
• M16: 16,453,671 km (0.062 R)
• M17: 16,666,100 km (0.116 R)
• M18: 23,564,806 km (0.066 R)
• M19: 28,441,248 km (0.085 R)
• M20: 30,099,540 km (0.12 R)
• M21: 31,602,401 km (0.119 R)
• M22: 32,817,883 km (0.059 R)
• M23: 33,267,574 km (0.094 R)
• M24: 37,868,756 km (0.093 R)
• M25: 42,079,039 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574.3

Radius: 6

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.8 AU - 7.96 AU

Year: 12685 Days

Day: 16 Hours

Environment

Temp: -240 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,402,595 km

• M1: 74,949 km (0.111 R)
• M2: 283,189 km (0.082 R)
• M3: 523,593 km (0.087 R)
• M4: 1,015,022 km (0.089 R)
• M5: 1,248,095 km (0.063 R)
• M6: 1,516,922 km (0.045 R)
• M7: 3,045,962 km (0.118 R)
• M8: 7,771,609 km (0.087 R)
• M9: 12,138,521 km (0.068 R)
• M10: 13,362,381 km (0.066 R)
• M11: 18,924,280 km (0.116 R)
• M12: 20,480,696 km (0.095 R)
• M13: 24,503,533 km (0.057 R)
• M14: 38,502,303 km (0.064 R)
• M15: 39,930,215 km (0.036 R)
• M16: 42,616,245 km (0.099 R)
• M17: 51,392,703 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.7

Radius: 3.6

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.04 AU - 8.1 AU

Year: 13214 Days

Day: 21 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,402,595 km

• M1: 45,179 km (0.119 R)
• M2: 375,939 km (0.107 R)
• M3: 550,670 km (0.102 R)
• M4: 1,358,349 km (0.047 R)
• M5: 2,168,421 km (0.104 R)
• M6: 3,172,522 km (0.093 R)
• M7: 4,218,062 km (0.114 R)
• M8: 4,346,865 km (0.068 R)
• M9: 4,666,706 km (0.073 R)
• M10: 6,269,497 km (0.085 R)
• M11: 9,637,843 km (0.069 R)
• M12: 12,034,251 km (0.119 R)
• M13: 12,610,053 km (0.114 R)
• M14: 14,389,370 km (0.092 R)
• M15: 14,740,626 km (0.099 R)
• M16: 15,582,563 km (0.035 R)
• M17: 16,583,223 km (0.087 R)
• M18: 18,920,391 km (0.113 R)
• M19: 24,070,746 km (0.095 R)
• M20: 24,565,616 km (0.079 R)
• M21: 29,609,159 km (0.111 R)
• M22: 32,621,760 km (0.098 R)
• M23: 33,024,777 km (0.113 R)
• M24: 35,300,759 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624.9

Radius: 3.3

Gravity: 57.38 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.05 AU - 8.11 AU

Year: 14669 Days

Day: 20 Hours

Environment

Temp: -241 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 62,402,595 km

• M1: 41,289 km (0.084 R)
• M2: 202,107 km (0.027 R)
• M3: 1,580,801 km (0.047 R)
• M4: 2,816,030 km (0.118 R)
• M5: 3,793,802 km (0.095 R)
• M6: 4,054,850 km (0.112 R)
• M7: 4,612,850 km (0.117 R)
• M8: 5,185,062 km (0.114 R)
• M9: 5,840,899 km (0.062 R)
• M10: 6,268,001 km (0.096 R)
• M11: 6,757,336 km (0.086 R)
• M12: 7,140,606 km (0.086 R)
• M13: 8,523,039 km (0.058 R)
• M14: 8,869,508 km (0.03 R)
• M15: 10,858,561 km (0.1 R)
• M16: 12,172,031 km (0.116 R)
• M17: 13,388,561 km (0.1 R)
• M18: 13,521,254 km (0.088 R)
• M19: 15,325,554 km (0.1 R)
• M20: 16,895,284 km (0.091 R)
• M21: 17,050,118 km (0.077 R)
• M22: 17,520,454 km (0.117 R)
• M23: 19,744,077 km (0.08 R)
• M24: 20,967,787 km (0.096 R)
• M25: 27,103,693 km (0.114 R)
• M26: 29,724,499 km (0.118 R)
• M27: 30,519,462 km (0.054 R)
• M28: 30,864,584 km (0.107 R)
• M29: 31,915,210 km (0.048 R)
• M30: 33,231,521 km (0.037 R)
• M31: 34,459,122 km (0.066 R)
• M32: 36,356,771 km (0.112 R)
• M33: 41,053,096 km (0.071 R)
• M34: 45,387,096 km (0.101 R)
• M35: 46,592,257 km (0.05 R)
• M36: 47,973,344 km (0.103 R)
• M37: 51,626,375 km (0.086 R)
• M38: 53,270,755 km (0.07 R)
• M39: 53,770,860 km (0.093 R)
• M40: 55,631,259 km (0.078 R)
• M41: 57,534,144 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 338.3

Radius: 6

Gravity: 9.4 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.25 AU - 12.09 AU

Year: 21137 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,402,595 km

• M1: 84,373 km (0.063 R)
• M2: 536,757 km (0.092 R)
• M3: 1,013,825 km (0.097 R)
• M4: 1,658,442 km (0.114 R)
• M5: 2,589,838 km (0.103 R)
• M6: 2,982,533 km (0.111 R)
• M7: 3,576,287 km (0.066 R)
• M8: 4,004,137 km (0.097 R)
• M9: 6,141,441 km (0.103 R)
• M10: 8,440,162 km (0.119 R)
• M11: 8,737,712 km (0.108 R)
• M12: 10,275,728 km (0.105 R)
• M13: 10,501,172 km (0.086 R)
• M14: 13,137,535 km (0.064 R)
• M15: 18,904,683 km (0.055 R)
• M16: 21,179,468 km (0.054 R)
• M17: 22,571,476 km (0.077 R)
• M18: 24,621,416 km (0.113 R)
• M19: 31,156,150 km (0.063 R)
• M20: 36,753,354 km (0.107 R)
• M21: 44,162,189 km (0.109 R)
• M22: 45,663,404 km (0.116 R)
• M23: 47,043,145 km (0.111 R)
• M24: 48,608,687 km (0.039 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 11,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit