🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.45 AU - 0.61 AU

Year: 249 Days

Day: 31.4 Hours

Environment

Temp: -127 °C

Axial Tilt: 1.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.47 AU - 0.71 AU

Year: 293 Days

Day: 34.4 Hours

Environment

Temp: -118 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,960,790 km

• M1: 215,421 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.1

Radius: 11.2

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.91 AU - 0.95 AU

Year: 579 Days

Day: 6.2 Hours

Environment

Temp: -145 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,960,790 km

• M1: 139,276 km (0.119 R)
• M2: 510,578 km (0.043 R)
• M3: 1,003,503 km (0.095 R)
• M4: 1,561,203 km (0.109 R)
• M5: 2,539,723 km (0.039 R)
• M6: 3,182,096 km (0.086 R)
• M7: 3,668,439 km (0.098 R)
• M8: 4,631,550 km (0.119 R)
• M9: 5,664,673 km (0.052 R)
• M10: 6,500,775 km (0.106 R)
• M11: 6,927,877 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.5

Radius: 13

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.38 AU - 1.7 AU

Year: 1234 Days

Day: 8.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 110.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,960,790 km

• M1: 162,164 km (0.113 R)
• M2: 605,722 km (0.1 R)
• M3: 1,127,519 km (0.102 R)
• M4: 1,553,125 km (0.077 R)
• M5: 2,164,980 km (0.064 R)
• M6: 2,578,768 km (0.116 R)
• M7: 3,074,236 km (0.112 R)
• M8: 3,697,461 km (0.114 R)
• M9: 4,780,101 km (0.087 R)
• M10: 5,301,749 km (0.104 R)
• M11: 6,676,553 km (0.03 R)
• M12: 7,408,236 km (0.106 R)
• M13: 8,475,767 km (0.101 R)
• M14: 8,942,362 km (0.078 R)
• M15: 9,737,475 km (0.025 R)
• M16: 10,380,596 km (0.059 R)
• M17: 10,847,491 km (0.113 R)
• M18: 11,398,460 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.8

Radius: 12

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.32 AU - 2.7 AU

Year: 2568 Days

Day: 13.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,960,790 km

• M1: 149,448 km (0.072 R)
• M2: 612,454 km (0.118 R)
• M3: 1,354,459 km (0.037 R)
• M4: 2,320,861 km (0.1 R)
• M5: 2,930,323 km (0.101 R)
• M6: 3,606,954 km (0.117 R)
• M7: 4,363,919 km (0.096 R)
• M8: 5,034,118 km (0.027 R)
• M9: 5,468,401 km (0.09 R)
• M10: 6,496,288 km (0.1 R)
• M11: 7,401,654 km (0.094 R)
• M12: 7,932,876 km (0.066 R)
• M13: 9,036,908 km (0.112 R)
• M14: 9,535,219 km (0.116 R)
• M15: 10,704,027 km (0.042 R)
• M16: 11,302,867 km (0.082 R)
• M17: 11,797,886 km (0.039 R)
• M18: 14,112,465 km (0.086 R)
• M19: 14,930,765 km (0.03 R)
• M20: 16,981,004 km (0.04 R)
• M21: 17,521,651 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.5

Radius: 9.1

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.79 AU - 3.81 AU

Year: 3871 Days

Day: 8.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,960,790 km

• M1: 113,246 km (0.112 R)
• M2: 507,137 km (0.036 R)
• M3: 803,640 km (0.06 R)
• M4: 1,779,467 km (0.099 R)
• M5: 2,103,645 km (0.119 R)
• M6: 3,303,420 km (0.084 R)
• M7: 4,108,257 km (0.102 R)
• M8: 5,469,298 km (0.105 R)
• M9: 5,954,145 km (0.079 R)
• M10: 7,142,102 km (0.063 R)
• M11: 7,898,169 km (0.088 R)
• M12: 8,744,744 km (0.113 R)
• M13: 9,328,624 km (0.085 R)
• M14: 12,596,889 km (0.11 R)
• M15: 13,341,737 km (0.09 R)
• M16: 13,906,319 km (0.09 R)
• M17: 14,221,073 km (0.101 R)
• M18: 15,028,602 km (0.104 R)
• M19: 16,971,729 km (0.118 R)
• M20: 18,003,655 km (0.084 R)
• M21: 20,191,973 km (0.068 R)
• M22: 22,623,985 km (0.062 R)
• M23: 25,400,522 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.1

Radius: 10.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 5.22 AU - 5.48 AU

Year: 7990 Days

Day: 5.4 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,960,790 km

• M1: 131,347 km (0.045 R)
• M2: 473,028 km (0.1 R)
• M3: 806,931 km (0.106 R)
• M4: 1,445,564 km (0.11 R)
• M5: 1,965,716 km (0.066 R)
• M6: 4,649,651 km (0.084 R)
• M7: 6,820,765 km (0.059 R)
• M8: 7,362,010 km (0.108 R)
• M9: 8,367,906 km (0.109 R)
• M10: 8,988,438 km (0.117 R)
• M11: 9,375,448 km (0.093 R)
• M12: 9,953,943 km (0.092 R)
• M13: 10,509,101 km (0.093 R)
• M14: 11,231,808 km (0.072 R)
• M15: 12,456,566 km (0.061 R)
• M16: 13,321,242 km (0.088 R)
• M17: 13,655,742 km (0.076 R)
• M18: 14,110,221 km (0.048 R)
• M19: 15,351,733 km (0.098 R)
• M20: 16,793,558 km (0.052 R)
• M21: 18,668,169 km (0.053 R)
• M22: 24,703,545 km (0.113 R)
• M23: 29,316,545 km (0.111 R)
• M24: 31,136,104 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.9

Radius: 7.1

Gravity: 15.01 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.75 AU - 6.59 AU

Year: 9896 Days

Day: 19.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 46,960,790 km

• M1: 89,908 km (0.047 R)
• M2: 469,588 km (0.119 R)
• M3: 784,491 km (0.103 R)
• M4: 1,121,086 km (0.092 R)
• M5: 1,902,137 km (0.092 R)
• M6: 3,523,479 km (0.048 R)
• M7: 3,859,027 km (0.07 R)
• M8: 4,215,818 km (0.12 R)
• M9: 4,745,843 km (0.083 R)
• M10: 5,974,041 km (0.117 R)
• M11: 6,452,156 km (0.04 R)
• M12: 7,277,787 km (0.105 R)
• M13: 7,737,351 km (0.081 R)
• M14: 9,233,031 km (0.104 R)
• M15: 10,023,506 km (0.077 R)
• M16: 10,540,068 km (0.094 R)
• M17: 11,851,891 km (0.059 R)
• M18: 12,784,784 km (0.103 R)
• M19: 13,392,151 km (0.083 R)
• M20: 15,945,936 km (0.116 R)
• M21: 16,295,098 km (0.047 R)
• M22: 18,118,696 km (0.116 R)
• M23: 20,073,940 km (0.094 R)
• M24: 20,894,035 km (0.082 R)
• M25: 26,875,706 km (0.073 R)
• M26: 27,570,140 km (0.096 R)
• M27: 28,276,541 km (0.115 R)
• M28: 31,223,020 km (0.109 R)
• M29: 33,906,208 km (0.095 R)
• M30: 34,950,850 km (0.07 R)
• M31: 38,588,023 km (0.078 R)
• M32: 42,469,788 km (0.103 R)
• M33: 42,737,419 km (0.115 R)
• M34: 47,894,656 km (0.099 R)
• M35: 48,622,001 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.6

Radius: 4.1

Gravity: 20.86 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.26 AU - 8.96 AU

Year: 13555 Days

Day: 18.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 46,960,790 km

• M1: 53,706 km (0.113 R)
• M2: 265,536 km (0.116 R)
• M3: 564,283 km (0.093 R)
• M4: 1,015,919 km (0.044 R)
• M5: 1,255,276 km (0.112 R)
• M6: 1,676,244 km (0.052 R)
• M7: 2,079,560 km (0.043 R)
• M8: 3,403,800 km (0.111 R)
• M9: 4,325,622 km (0.116 R)
• M10: 5,271,380 km (0.104 R)
• M11: 6,384,089 km (0.117 R)
• M12: 6,995,346 km (0.113 R)
• M13: 8,377,630 km (0.114 R)
• M14: 10,336,315 km (0.055 R)
• M15: 11,503,627 km (0.072 R)
• M16: 14,350,026 km (0.107 R)
• M17: 28,253,652 km (0.076 R)
• M18: 32,456,604 km (0.073 R)
• M19: 40,397,409 km (0.111 R)
• M20: 42,468,292 km (0.111 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: 315 - 13,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit