🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.3

Radius: 9.2

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.44 AU - 0.72 AU

Year: 310 Days

Day: 6.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,181,565 km

• M1: 114,592 km (0.096 R)
• M2: 412,142 km (0.094 R)
• M3: 699,370 km (0.075 R)
• M4: 1,044,642 km (0.102 R)
• M5: 1,594,115 km (0.077 R)
• M6: 1,897,799 km (0.027 R)
• M7: 2,246,960 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.4

Radius: 11.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.93 AU - 1.33 AU

Year: 844 Days

Day: 10 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,181,565 km

• M1: 147,952 km (0.115 R)
• M2: 533,765 km (0.091 R)
• M3: 919,877 km (0.069 R)
• M4: 1,292,825 km (0.116 R)
• M5: 1,818,961 km (0.099 R)
• M6: 2,285,556 km (0.034 R)
• M7: 2,698,147 km (0.046 R)
• M8: 3,172,971 km (0.064 R)
• M9: 3,595,435 km (0.112 R)
• M10: 3,997,704 km (0.098 R)
• M11: 4,554,657 km (0.116 R)
• M12: 5,640,588 km (0.044 R)
• M13: 6,870,881 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546

Radius: 9.4

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.12 AU - 1.4 AU

Year: 994 Days

Day: 5.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,181,565 km

• M1: 117,285 km (0.066 R)
• M2: 490,382 km (0.114 R)
• M3: 1,113,906 km (0.117 R)
• M4: 1,433,896 km (0.089 R)
• M5: 1,926,671 km (0.105 R)
• M6: 2,825,305 km (0.087 R)
• M7: 3,225,180 km (0.107 R)
• M8: 3,842,272 km (0.076 R)
• M9: 4,219,857 km (0.072 R)
• M10: 4,587,568 km (0.035 R)
• M11: 5,198,077 km (0.088 R)
• M12: 5,621,290 km (0.095 R)
• M13: 6,129,922 km (0.076 R)
• M14: 6,893,470 km (0.11 R)
• M15: 7,239,639 km (0.08 R)
• M16: 8,041,933 km (0.048 R)
• M17: 9,174,987 km (0.089 R)
• M18: 9,537,762 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.2

Radius: 12.5

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.29 AU - 1.43 AU

Year: 1115 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 78,181,565 km

• M1: 160,369 km (0.099 R)
• M2: 549,623 km (0.117 R)
• M3: 1,129,913 km (0.119 R)
• M4: 1,756,728 km (0.108 R)
• M5: 2,429,170 km (0.072 R)
• M6: 3,216,803 km (0.077 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.8

Radius: 5.9

Gravity: 18.44 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 6.24 AU - 8.27 AU

Year: 13722 Days

Day: 21.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,181,565 km

• M1: 74,649 km (0.069 R)
• M2: 342,729 km (0.061 R)
• M3: 706,252 km (0.041 R)
• M4: 977,173 km (0.118 R)
• M5: 2,190,113 km (0.096 R)
• M6: 2,596,271 km (0.087 R)
• M7: 4,482,551 km (0.086 R)
• M8: 5,309,378 km (0.086 R)
• M9: 6,233,594 km (0.085 R)
• M10: 6,430,614 km (0.056 R)
• M11: 7,701,448 km (0.108 R)
• M12: 8,539,645 km (0.112 R)
• M13: 11,773,203 km (0.113 R)
• M14: 20,602,170 km (0.115 R)
• M15: 21,217,017 km (0.084 R)
• M16: 21,573,958 km (0.079 R)
• M17: 25,767,635 km (0.065 R)
• M18: 26,999,125 km (0.091 R)
• M19: 28,593,090 km (0.071 R)
• M20: 32,790,806 km (0.114 R)
• M21: 38,033,015 km (0.118 R)
• M22: 39,091,120 km (0.111 R)
• M23: 44,531,247 km (0.092 R)
• M24: 48,734,199 km (0.051 R)
• M25: 55,522,352 km (0.1 R)
• M26: 57,744,628 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 755.5

Radius: 6.2

Gravity: 19.65 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.84 AU - 9.38 AU

Year: 16235 Days

Day: 22.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,181,565 km

• M1: 77,193 km (0.077 R)
• M2: 367,562 km (0.112 R)
• M3: 683,213 km (0.062 R)
• M4: 1,009,935 km (0.061 R)
• M5: 2,054,278 km (0.085 R)
• M6: 3,738,451 km (0.099 R)
• M7: 5,547,837 km (0.112 R)
• M8: 5,818,759 km (0.087 R)
• M9: 8,018,147 km (0.068 R)
• M10: 8,773,167 km (0.088 R)
• M11: 10,896,709 km (0.081 R)
• M12: 11,383,800 km (0.056 R)
• M13: 12,401,364 km (0.116 R)
• M14: 15,359,213 km (0.102 R)
• M15: 15,586,901 km (0.12 R)
• M16: 16,520,392 km (0.076 R)
• M17: 17,163,065 km (0.114 R)
• M18: 24,020,481 km (0.075 R)
• M19: 25,475,470 km (0.096 R)
• M20: 26,878,100 km (0.092 R)
• M21: 29,601,679 km (0.113 R)
• M22: 31,151,064 km (0.068 R)
• M23: 32,254,946 km (0.074 R)
• M24: 33,384,560 km (0.102 R)
• M25: 36,391,028 km (0.039 R)
• M26: 41,158,563 km (0.046 R)
• M27: 44,609,487 km (0.106 R)
• M28: 48,086,141 km (0.114 R)
• M29: 48,573,830 km (0.096 R)
• M30: 49,724,537 km (0.093 R)
• M31: 53,982,691 km (0.108 R)
• M32: 56,110,272 km (0.102 R)
• M33: 60,721,177 km (0.093 R)
• M34: 63,605,424 km (0.075 R)
• M35: 64,982,173 km (0.118 R)
• M36: 65,379,206 km (0.113 R)
• M37: 67,998,964 km (0.114 R)
• M38: 68,203,315 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.9

Radius: 4.5

Gravity: 21.72 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.95 AU - 9.51 AU

Year: 16596 Days

Day: 24.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,181,565 km

• M1: 55,950 km (0.12 R)
• M2: 204,949 km (0.111 R)
• M3: 345,571 km (0.096 R)
• M4: 681,119 km (0.062 R)
• M5: 971,788 km (0.109 R)
• M6: 1,468,453 km (0.035 R)
• M7: 2,043,956 km (0.093 R)
• M8: 2,312,185 km (0.098 R)
• M9: 2,646,985 km (0.084 R)
• M10: 3,386,597 km (0.085 R)
• M11: 4,989,239 km (0.102 R)
• M12: 5,159,331 km (0.044 R)
• M13: 5,729,748 km (0.076 R)
• M14: 5,916,446 km (0.109 R)
• M15: 6,380,948 km (0.083 R)
• M16: 7,920,310 km (0.07 R)
• M17: 9,328,026 km (0.078 R)
• M18: 9,586,531 km (0.055 R)
• M19: 9,743,908 km (0.095 R)
• M20: 11,950,028 km (0.091 R)
• M21: 12,193,573 km (0.068 R)
• M22: 15,523,921 km (0.095 R)
• M23: 15,886,995 km (0.057 R)
• M24: 16,107,502 km (0.074 R)
• M25: 22,308,334 km (0.099 R)
• M26: 24,683,798 km (0.104 R)
• M27: 28,935,669 km (0.115 R)
• M28: 29,707,295 km (0.11 R)
• M29: 30,719,324 km (0.071 R)
• M30: 33,893,043 km (0.081 R)
• M31: 35,873,270 km (0.062 R)
• M32: 49,239,990 km (0.057 R)
• M33: 53,732,862 km (0.113 R)
• M34: 57,449,023 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916.7

Radius: 5.5

Gravity: 30.3 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 7.81 AU - 9.57 AU

Year: 18007 Days

Day: 19.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,181,565 km

• M1: 69,862 km (0.104 R)
• M2: 604,226 km (0.087 R)
• M3: 1,801,607 km (0.092 R)
• M4: 2,284,659 km (0.051 R)
• M5: 2,556,628 km (0.099 R)
• M6: 2,774,741 km (0.043 R)
• M7: 5,143,025 km (0.09 R)
• M8: 6,905,587 km (0.116 R)
• M9: 7,871,690 km (0.105 R)
• M10: 9,428,107 km (0.092 R)
• M11: 15,388,235 km (0.05 R)
• M12: 15,626,694 km (0.098 R)
• M13: 17,280,499 km (0.029 R)
• M14: 17,885,921 km (0.083 R)
• M15: 21,126,660 km (0.114 R)
• M16: 25,396,034 km (0.091 R)
• M17: 26,518,167 km (0.099 R)
• M18: 31,721,780 km (0.111 R)
• M19: 33,953,780 km (0.109 R)
• M20: 37,137,223 km (0.072 R)
• M21: 50,274,459 km (0.072 R)
• M22: 57,584,260 km (0.111 R)
• M23: 62,293,152 km (0.112 R)
• M24: 66,408,140 km (0.039 R)
• M25: 72,468,350 km (0.104 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 20,413 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit