🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 9

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.53 AU - 0.81 AU

Year: 372 Days

Day: 13.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,014,730 km

• M1: 115,041 km (0.058 R)
• M2: 421,268 km (0.111 R)
• M3: 958,773 km (0.1 R)
• M4: 1,253,181 km (0.07 R)
• M5: 1,823,149 km (0.106 R)
• M6: 2,737,491 km (0.08 R)
• M7: 3,080,071 km (0.08 R)
• M8: 3,812,951 km (0.108 R)
• M9: 4,117,981 km (0.037 R)
• M10: 4,642,920 km (0.093 R)
• M11: 5,276,167 km (0.057 R)
• M12: 5,826,687 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.7

Radius: 8.4

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.76 AU - 0.94 AU

Year: 532 Days

Day: 10.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,014,730 km

• M1: 117,285 km (0.112 R)
• M2: 395,387 km (0.112 R)
• M3: 666,159 km (0.046 R)
• M4: 970,741 km (0.101 R)
• M5: 1,779,766 km (0.07 R)
• M6: 2,058,467 km (0.089 R)
• M7: 3,294,444 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.8

Radius: 12.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.04 AU - 1.26 AU

Year: 836 Days

Day: 6.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,014,730 km

• M1: 160,519 km (0.088 R)
• M2: 585,526 km (0.051 R)
• M3: 1,475,633 km (0.071 R)
• M4: 2,182,783 km (0.038 R)
• M5: 2,747,814 km (0.085 R)
• M6: 3,812,203 km (0.07 R)
• M7: 4,305,726 km (0.028 R)
• M8: 4,986,845 km (0.071 R)
• M9: 5,422,175 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.4

Radius: 10.4

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.3 AU - 1.6 AU

Year: 1184 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,014,730 km

• M1: 129,552 km (0.11 R)
• M2: 468,690 km (0.1 R)
• M3: 816,056 km (0.094 R)
• M4: 1,534,725 km (0.102 R)
• M5: 2,101,551 km (0.108 R)
• M6: 2,557,675 km (0.113 R)
• M7: 3,575,090 km (0.082 R)
• M8: 4,140,869 km (0.042 R)
• M9: 6,365,689 km (0.071 R)
• M10: 7,456,556 km (0.084 R)
• M11: 8,581,383 km (0.076 R)
• M12: 10,133,909 km (0.067 R)
• M13: 10,491,897 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 13.1

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.04 AU - 3.4 AU

Year: 3043 Days

Day: 11.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,014,730 km

• M1: 163,810 km (0.118 R)
• M2: 712,535 km (0.087 R)
• M3: 1,159,683 km (0.046 R)
• M4: 1,650,813 km (0.085 R)
• M5: 2,798,827 km (0.106 R)
• M6: 3,703,146 km (0.098 R)
• M7: 6,459,636 km (0.116 R)
• M8: 6,938,499 km (0.101 R)
• M9: 7,473,162 km (0.077 R)
• M10: 7,933,923 km (0.065 R)
• M11: 9,281,650 km (0.114 R)
• M12: 10,612,323 km (0.086 R)
• M13: 12,794,956 km (0.099 R)
• M14: 14,796,277 km (0.079 R)
• M15: 15,791,402 km (0.1 R)
• M16: 17,972,987 km (0.119 R)
• M17: 18,444,221 km (0.091 R)
• M18: 18,923,682 km (0.034 R)
• M19: 19,596,573 km (0.086 R)
• M20: 21,911,002 km (0.106 R)
• M21: 23,064,850 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.7

Radius: 8.3

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.8 AU - 4.52 AU

Year: 4749 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,014,730 km

• M1: 104,270 km (0.103 R)
• M2: 475,871 km (0.12 R)
• M3: 858,991 km (0.062 R)
• M4: 1,272,779 km (0.045 R)
• M5: 1,532,780 km (0.09 R)
• M6: 2,237,087 km (0.112 R)
• M7: 3,816,541 km (0.116 R)
• M8: 5,152,151 km (0.1 R)
• M9: 5,425,017 km (0.103 R)
• M10: 7,169,777 km (0.103 R)
• M11: 8,636,285 km (0.084 R)
• M12: 9,259,510 km (0.103 R)
• M13: 9,870,617 km (0.118 R)
• M14: 10,335,567 km (0.094 R)
• M15: 10,595,419 km (0.07 R)
• M16: 11,401,003 km (0.082 R)
• M17: 13,852,763 km (0.073 R)
• M18: 15,425,336 km (0.097 R)
• M19: 24,870,197 km (0.101 R)
• M20: 26,693,346 km (0.087 R)
• M21: 28,096,874 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961.4

Radius: 4.3

Gravity: 52 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 6.53 AU - 8.59 AU

Year: 14099 Days

Day: 19.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 68,014,730 km

• M1: 57,745 km (0.089 R)
• M2: 205,099 km (0.075 R)
• M3: 473,477 km (0.107 R)
• M4: 634,295 km (0.037 R)
• M5: 1,020,856 km (0.114 R)
• M6: 1,279,959 km (0.111 R)
• M7: 1,533,528 km (0.063 R)
• M8: 1,966,464 km (0.114 R)
• M9: 2,798,079 km (0.092 R)
• M10: 3,172,971 km (0.113 R)
• M11: 3,332,143 km (0.079 R)
• M12: 4,700,365 km (0.059 R)
• M13: 5,229,194 km (0.112 R)
• M14: 5,376,847 km (0.115 R)
• M15: 6,115,860 km (0.065 R)
• M16: 6,530,994 km (0.085 R)
• M17: 8,181,657 km (0.108 R)
• M18: 8,430,887 km (0.057 R)
• M19: 8,685,204 km (0.047 R)
• M20: 8,892,397 km (0.12 R)
• M21: 9,102,881 km (0.102 R)
• M22: 11,704,837 km (0.099 R)
• M23: 13,900,784 km (0.048 R)
• M24: 14,471,799 km (0.096 R)
• M25: 15,813,243 km (0.102 R)
• M26: 19,881,258 km (0.046 R)
• M27: 20,150,833 km (0.04 R)
• M28: 22,202,568 km (0.068 R)
• M29: 25,219,059 km (0.104 R)
• M30: 25,853,504 km (0.074 R)
• M31: 30,120,484 km (0.065 R)
• M32: 31,195,644 km (0.109 R)
• M33: 32,419,953 km (0.098 R)
• M34: 42,194,827 km (0.025 R)
• M35: 45,376,774 km (0.119 R)
• M36: 48,066,993 km (0.052 R)
• M37: 57,133,372 km (0.089 R)
• M38: 60,453,996 km (0.113 R)
• M39: 63,317,598 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.6

Radius: 4.2

Gravity: 45.05 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.36 AU - 8.88 AU

Year: 15694 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,014,730 km

• M1: 52,210 km (0.062 R)
• M2: 380,278 km (0.102 R)
• M3: 968,497 km (0.081 R)
• M4: 1,139,786 km (0.082 R)
• M5: 1,360,443 km (0.039 R)
• M6: 1,905,578 km (0.089 R)
• M7: 3,466,931 km (0.119 R)
• M8: 3,636,126 km (0.1 R)
• M9: 3,840,626 km (0.042 R)
• M10: 4,634,243 km (0.109 R)
• M11: 6,581,558 km (0.038 R)
• M12: 8,395,582 km (0.118 R)
• M13: 9,608,372 km (0.088 R)
• M14: 16,171,380 km (0.102 R)
• M15: 21,992,533 km (0.047 R)
• M16: 22,378,495 km (0.118 R)
• M17: 23,765,267 km (0.117 R)
• M18: 26,058,603 km (0.095 R)
• M19: 26,490,791 km (0.1 R)
• M20: 30,718,128 km (0.112 R)
• M21: 36,036,631 km (0.06 R)
• M22: 37,387,649 km (0.055 R)
• M23: 43,431,104 km (0.066 R)
• M24: 43,886,181 km (0.1 R)
• M25: 44,038,621 km (0.079 R)
• M26: 44,960,294 km (0.088 R)
• M27: 47,320,649 km (0.107 R)
• M28: 47,802,354 km (0.038 R)
• M29: 50,260,397 km (0.059 R)
• M30: 65,796,584 km (0.081 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 165 - 18,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit