🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.55 AU - 0.89 AU

Year: 279 Days

Day: 28.5 Hours

Environment

Temp: -46 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.83 AU - 1.83 AU

Year: 1130 Days

Day: 20.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 50,535,961 km

• M1: 414,685 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.5

Radius: 11.7

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.1 AU - 2.44 AU

Year: 1561 Days

Day: 12.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,535,961 km

• M1: 145,559 km (0.092 R)
• M2: 545,434 km (0.043 R)
• M3: 926,609 km (0.117 R)
• M4: 1,875,957 km (0.092 R)
• M5: 2,614,073 km (0.086 R)
• M6: 3,064,512 km (0.091 R)
• M7: 3,704,642 km (0.091 R)
• M8: 4,344,921 km (0.055 R)
• M9: 4,811,816 km (0.053 R)
• M10: 6,282,363 km (0.088 R)
• M11: 7,876,178 km (0.076 R)
• M12: 8,879,830 km (0.081 R)
• M13: 9,281,201 km (0.101 R)
• M14: 10,213,047 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.3

Radius: 9.7

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.97 AU - 3.09 AU

Year: 1837 Days

Day: 11.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,535,961 km

• M1: 121,773 km (0.116 R)
• M2: 448,345 km (0.063 R)
• M3: 964,607 km (0.081 R)
• M4: 1,400,535 km (0.08 R)
• M5: 1,944,324 km (0.084 R)
• M6: 2,496,190 km (0.097 R)
• M7: 2,962,038 km (0.101 R)
• M8: 3,391,384 km (0.114 R)
• M9: 3,895,828 km (0.102 R)
• M10: 4,375,289 km (0.034 R)
• M11: 5,452,693 km (0.099 R)
• M12: 6,382,444 km (0.112 R)
• M13: 8,124,062 km (0.062 R)
• M14: 8,553,707 km (0.084 R)
• M15: 8,938,323 km (0.114 R)
• M16: 11,072,337 km (0.085 R)
• M17: 11,817,185 km (0.102 R)
• M18: 12,406,750 km (0.09 R)
• M19: 12,746,935 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.6

Radius: 12.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.45 AU - 3.19 AU

Year: 2162 Days

Day: 14.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,535,961 km

• M1: 154,235 km (0.12 R)
• M2: 667,805 km (0.098 R)
• M3: 1,062,594 km (0.029 R)
• M4: 1,669,961 km (0.103 R)
• M5: 2,370,827 km (0.106 R)
• M6: 4,379,627 km (0.063 R)
• M7: 6,226,413 km (0.102 R)
• M8: 9,051,569 km (0.1 R)
• M9: 9,443,964 km (0.115 R)
• M10: 10,263,312 km (0.069 R)
• M11: 11,092,233 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.3

Radius: 13

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 4.98 AU - 7.02 AU

Year: 6710 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,535,961 km

• M1: 161,715 km (0.094 R)
• M2: 588,069 km (0.086 R)
• M3: 1,033,123 km (0.1 R)
• M4: 1,838,707 km (0.065 R)
• M5: 2,321,909 km (0.119 R)
• M6: 4,494,219 km (0.059 R)
• M7: 6,116,010 km (0.101 R)
• M8: 6,524,113 km (0.092 R)
• M9: 7,820,229 km (0.043 R)
• M10: 8,508,678 km (0.114 R)
• M11: 9,639,638 km (0.086 R)
• M12: 10,194,197 km (0.069 R)
• M13: 10,721,380 km (0.102 R)
• M14: 12,039,786 km (0.119 R)
• M15: 13,014,117 km (0.107 R)
• M16: 13,520,656 km (0.093 R)
• M17: 14,997,187 km (0.047 R)
• M18: 16,907,851 km (0.076 R)
• M19: 17,376,092 km (0.077 R)
• M20: 18,199,030 km (0.065 R)
• M21: 21,207,593 km (0.065 R)
• M22: 21,674,188 km (0.085 R)
• M23: 24,618,723 km (0.112 R)
• M24: 26,275,819 km (0.111 R)
• M25: 27,268,550 km (0.11 R)
• M26: 28,006,068 km (0.108 R)
• M27: 28,946,739 km (0.099 R)
• M28: 32,405,292 km (0.093 R)
• M29: 34,180,869 km (0.116 R)
• M30: 36,462,536 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 14.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.08 AU - 8.6 AU

Year: 9079 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,535,961 km

• M1: 178,021 km (0.055 R)
• M2: 753,824 km (0.095 R)
• M3: 1,516,324 km (0.049 R)
• M4: 2,865,398 km (0.116 R)
• M5: 3,429,980 km (0.113 R)
• M6: 4,014,459 km (0.091 R)
• M7: 5,485,006 km (0.09 R)
• M8: 6,252,144 km (0.11 R)
• M9: 8,218,608 km (0.111 R)
• M10: 9,757,521 km (0.117 R)
• M11: 11,316,630 km (0.094 R)
• M12: 12,797,350 km (0.074 R)
• M13: 14,275,826 km (0.042 R)
• M14: 14,793,135 km (0.098 R)
• M15: 16,002,933 km (0.109 R)
• M16: 18,772,588 km (0.109 R)
• M17: 19,709,968 km (0.107 R)
• M18: 22,362,488 km (0.082 R)
• M19: 22,973,147 km (0.093 R)
• M20: 24,318,929 km (0.075 R)
• M21: 26,580,849 km (0.095 R)
• M22: 32,398,261 km (0.054 R)
• M23: 33,068,011 km (0.064 R)
• M24: 36,676,162 km (0.079 R)
• M25: 38,762,454 km (0.066 R)
• M26: 42,237,014 km (0.086 R)
• M27: 46,335,397 km (0.094 R)
• M28: 48,046,498 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589

Radius: 13.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.39 AU - 7.59 AU

Year: 9359 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,535,961 km

• M1: 164,258 km (0.054 R)
• M2: 633,098 km (0.088 R)
• M3: 1,077,553 km (0.094 R)
• M4: 1,496,428 km (0.118 R)
• M5: 2,761,277 km (0.114 R)
• M6: 3,291,901 km (0.083 R)
• M7: 4,589,064 km (0.109 R)
• M8: 5,151,403 km (0.106 R)
• M9: 6,237,932 km (0.101 R)
• M10: 8,641,072 km (0.112 R)
• M11: 10,074,220 km (0.098 R)
• M12: 12,429,040 km (0.102 R)
• M13: 13,114,497 km (0.052 R)
• M14: 14,686,322 km (0.102 R)
• M15: 15,387,787 km (0.076 R)
• M16: 16,447,987 km (0.116 R)
• M17: 17,344,826 km (0.12 R)
• M18: 19,011,047 km (0.091 R)
• M19: 21,994,178 km (0.12 R)
• M20: 25,640,028 km (0.111 R)
• M21: 27,606,043 km (0.1 R)
• M22: 28,576,784 km (0.05 R)
• M23: 40,556,731 km (0.082 R)
• M24: 41,432,177 km (0.036 R)
• M25: 42,576,003 km (0.093 R)

Asteroid Belt

Center: 8.79 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594.3

Radius: 3.8

Gravity: 41.16 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 8.16 AU - 12.02 AU

Year: 14633 Days

Day: 17.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 174.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,535,961 km

• M1: 47,273 km (0.106 R)
• M2: 311,762 km (0.052 R)
• M3: 554,559 km (0.093 R)
• M4: 772,972 km (0.107 R)
• M5: 1,636,900 km (0.094 R)
• M6: 1,767,499 km (0.116 R)
• M7: 2,381,897 km (0.081 R)
• M8: 3,177,010 km (0.111 R)
• M9: 3,329,301 km (0.109 R)
• M10: 3,703,445 km (0.088 R)
• M11: 4,255,461 km (0.04 R)
• M12: 5,703,718 km (0.058 R)
• M13: 6,121,096 km (0.108 R)
• M14: 6,558,670 km (0.055 R)
• M15: 7,362,908 km (0.051 R)
• M16: 7,949,631 km (0.083 R)
• M17: 8,136,329 km (0.073 R)
• M18: 9,525,944 km (0.069 R)
• M19: 11,955,862 km (0.12 R)
• M20: 12,078,083 km (0.101 R)
• M21: 12,638,028 km (0.06 R)
• M22: 15,337,372 km (0.064 R)
• M23: 17,128,657 km (0.073 R)
• M24: 23,809,100 km (0.113 R)
• M25: 24,099,768 km (0.101 R)
• M26: 26,406,418 km (0.114 R)
• M27: 27,136,755 km (0.068 R)
• M28: 29,854,649 km (0.113 R)
• M29: 32,155,314 km (0.049 R)
• M30: 33,107,804 km (0.105 R)
• M31: 36,847,152 km (0.038 R)
• M32: 37,235,808 km (0.067 R)
• M33: 45,894,383 km (0.097 R)
• M34: 50,050,511 km (0.048 R)
• M35: 54,954,778 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.2

Radius: 6.6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 9.05 AU - 12.73 AU

Year: 16407 Days

Day: 22.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,535,961 km

• M1: 84,672 km (0.062 R)
• M2: 549,323 km (0.104 R)
• M3: 788,381 km (0.102 R)
• M4: 1,338,303 km (0.103 R)
• M5: 1,945,072 km (0.048 R)
• M6: 2,226,764 km (0.114 R)
• M7: 2,555,730 km (0.052 R)
• M8: 3,584,963 km (0.087 R)
• M9: 5,286,938 km (0.115 R)
• M10: 6,275,930 km (0.059 R)
• M11: 7,135,519 km (0.118 R)
• M12: 8,159,965 km (0.108 R)
• M13: 8,385,110 km (0.088 R)
• M14: 11,144,443 km (0.11 R)
• M15: 11,421,947 km (0.059 R)
• M16: 12,340,927 km (0.116 R)
• M17: 12,578,189 km (0.112 R)
• M18: 13,370,310 km (0.1 R)
• M19: 30,415,491 km (0.111 R)
• M20: 35,411,312 km (0.098 R)
• M21: 37,603,519 km (0.047 R)
• M22: 41,588,358 km (0.094 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,536 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit