🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.1

Radius: 9.5

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.75 AU - 0.91 AU

Year: 496 Days

Day: 9.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,143,475 km

• M1: 118,182 km (0.101 R)
• M2: 513,420 km (0.092 R)
• M3: 831,764 km (0.079 R)
• M4: 1,176,886 km (0.03 R)
• M5: 1,756,728 km (0.083 R)
• M6: 2,057,719 km (0.03 R)
• M7: 2,516,835 km (0.109 R)
• M8: 2,828,597 km (0.116 R)
• M9: 3,245,975 km (0.111 R)
• M10: 3,554,894 km (0.104 R)
• M11: 4,330,260 km (0.042 R)
• M12: 5,166,362 km (0.089 R)
• M13: 5,673,649 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.4

Radius: 12.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.09 AU - 1.09 AU

Year: 747 Days

Day: 7.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,143,475 km

• M1: 151,692 km (0.111 R)
• M2: 583,880 km (0.079 R)
• M3: 1,080,396 km (0.115 R)
• M4: 1,704,219 km (0.077 R)
• M5: 2,159,146 km (0.068 R)
• M6: 3,373,282 km (0.056 R)
• M7: 3,871,443 km (0.076 R)
• M8: 4,484,047 km (0.083 R)
• M9: 5,382,083 km (0.079 R)
• M10: 6,502,271 km (0.056 R)
• M11: 6,960,340 km (0.087 R)
• M12: 8,440,312 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.7

Radius: 12.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.52 AU - 1.74 AU

Year: 1365 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,143,475 km

• M1: 154,834 km (0.119 R)
• M2: 578,944 km (0.102 R)
• M3: 1,089,671 km (0.05 R)
• M4: 1,763,011 km (0.113 R)
• M5: 2,240,527 km (0.11 R)
• M6: 2,804,062 km (0.119 R)
• M7: 3,236,101 km (0.069 R)
• M8: 3,826,564 km (0.111 R)
• M9: 5,306,236 km (0.074 R)
• M10: 5,795,122 km (0.076 R)
• M11: 6,407,426 km (0.074 R)
• M12: 6,863,850 km (0.113 R)
• M13: 7,367,695 km (0.06 R)
• M14: 8,393,189 km (0.064 R)
• M15: 9,450,397 km (0.038 R)
• M16: 10,594,222 km (0.106 R)
• M17: 11,372,131 km (0.118 R)
• M18: 12,078,981 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.7

Radius: 10.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.66 AU - 2.58 AU

Year: 2025 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,143,475 km

• M1: 143,016 km (0.085 R)
• M2: 557,850 km (0.104 R)
• M3: 913,295 km (0.112 R)
• M4: 1,254,677 km (0.053 R)
• M5: 1,673,252 km (0.056 R)
• M6: 4,060,834 km (0.114 R)
• M7: 4,408,948 km (0.103 R)
• M8: 5,368,170 km (0.109 R)
• M9: 5,764,754 km (0.1 R)
• M10: 6,749,407 km (0.077 R)
• M11: 7,128,937 km (0.097 R)
• M12: 8,888,357 km (0.089 R)
• M13: 9,545,691 km (0.038 R)
• M14: 10,164,577 km (0.116 R)
• M15: 11,636,022 km (0.078 R)
• M16: 12,911,643 km (0.1 R)
• M17: 13,841,244 km (0.098 R)
• M18: 14,860,304 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533

Radius: 12.9

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 3.13 AU - 3.49 AU

Year: 3950 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,143,475 km

• M1: 160,519 km (0.08 R)
• M2: 594,203 km (0.1 R)
• M3: 1,046,736 km (0.055 R)
• M4: 1,646,773 km (0.033 R)
• M5: 2,127,880 km (0.077 R)
• M6: 2,849,989 km (0.11 R)
• M7: 3,494,606 km (0.062 R)
• M8: 4,322,930 km (0.101 R)
• M9: 5,971,648 km (0.101 R)
• M10: 6,664,884 km (0.103 R)
• M11: 7,093,632 km (0.11 R)
• M12: 8,143,360 km (0.058 R)
• M13: 8,777,954 km (0.066 R)
• M14: 9,521,605 km (0.117 R)
• M15: 12,231,272 km (0.12 R)
• M16: 13,446,904 km (0.086 R)
• M17: 13,885,974 km (0.072 R)
• M18: 15,525,117 km (0.081 R)
• M19: 18,940,886 km (0.099 R)
• M20: 20,056,287 km (0.064 R)
• M21: 20,565,967 km (0.051 R)
• M22: 21,084,174 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.8

Radius: 14.9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.6 AU - 5.98 AU

Year: 6877 Days

Day: 13.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 121.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,143,475 km

• M1: 186,698 km (0.041 R)
• M2: 690,993 km (0.114 R)
• M3: 1,314,666 km (0.072 R)
• M4: 2,268,203 km (0.117 R)
• M5: 3,216,205 km (0.096 R)
• M6: 3,835,241 km (0.118 R)
• M7: 4,509,628 km (0.105 R)
• M8: 5,342,140 km (0.099 R)
• M9: 5,866,630 km (0.106 R)
• M10: 6,987,717 km (0.075 R)
• M11: 7,685,291 km (0.074 R)
• M12: 8,211,577 km (0.047 R)
• M13: 8,687,148 km (0.101 R)
• M14: 9,337,002 km (0.05 R)
• M15: 10,951,013 km (0.117 R)
• M16: 12,841,332 km (0.083 R)
• M17: 14,147,919 km (0.061 R)
• M18: 18,413,852 km (0.082 R)
• M19: 21,075,797 km (0.062 R)
• M20: 21,692,888 km (0.049 R)
• M21: 23,470,560 km (0.065 R)
• M22: 26,593,415 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.3

Radius: 8.1

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.25 AU - 6.49 AU

Year: 8163 Days

Day: 9.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,143,475 km

• M1: 100,829 km (0.082 R)
• M2: 600,635 km (0.058 R)
• M3: 1,802,804 km (0.073 R)
• M4: 2,155,107 km (0.101 R)
• M5: 3,401,706 km (0.081 R)
• M6: 3,865,609 km (0.106 R)
• M7: 4,625,566 km (0.108 R)
• M8: 5,258,216 km (0.112 R)
• M9: 6,015,779 km (0.077 R)
• M10: 6,694,954 km (0.092 R)
• M11: 7,344,956 km (0.05 R)
• M12: 9,361,386 km (0.098 R)
• M13: 10,223,070 km (0.113 R)
• M14: 11,829,452 km (0.105 R)
• M15: 14,575,769 km (0.089 R)
• M16: 15,082,158 km (0.115 R)
• M17: 16,947,195 km (0.076 R)
• M18: 20,336,783 km (0.104 R)
• M19: 21,129,203 km (0.086 R)
• M20: 22,860,051 km (0.039 R)
• M21: 25,676,380 km (0.117 R)
• M22: 28,031,350 km (0.11 R)
• M23: 28,421,052 km (0.079 R)
• M24: 29,712,680 km (0.1 R)
• M25: 31,147,025 km (0.108 R)
• M26: 35,498,378 km (0.105 R)
• M27: 41,865,563 km (0.068 R)
• M28: 43,405,972 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.7

Radius: 6.8

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.19 AU - 8.35 AU

Year: 14208 Days

Day: 24.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 63,143,475 km

• M1: 94,546 km (0.061 R)
• M2: 544,985 km (0.052 R)
• M3: 882,179 km (0.071 R)
• M4: 1,218,624 km (0.064 R)
• M5: 2,093,323 km (0.103 R)
• M6: 7,367,994 km (0.117 R)
• M7: 8,254,063 km (0.072 R)
• M8: 9,053,813 km (0.086 R)
• M9: 11,640,210 km (0.112 R)
• M10: 13,101,482 km (0.117 R)
• M11: 13,434,637 km (0.106 R)
• M12: 15,927,386 km (0.115 R)
• M13: 16,230,621 km (0.091 R)
• M14: 17,642,974 km (0.03 R)
• M15: 35,622,095 km (0.119 R)
• M16: 37,326,464 km (0.096 R)
• M17: 37,727,386 km (0.102 R)
• M18: 43,498,423 km (0.119 R)
• M19: 46,054,452 km (0.091 R)
• M20: 48,868,239 km (0.109 R)
• M21: 54,491,922 km (0.077 R)
• M22: 56,927,675 km (0.067 R)
• M23: 57,458,897 km (0.081 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: 463 - 14,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit