🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.7

Radius: 9.5

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.45 AU - 0.75 AU

Year: 315 Days

Day: 10.9 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,761,294 km

• M1: 118,182 km (0.114 R)
• M2: 462,856 km (0.1 R)
• M3: 787,483 km (0.109 R)
• M4: 1,143,377 km (0.086 R)
• M5: 1,498,821 km (0.079 R)
• M6: 2,034,232 km (0.055 R)
• M7: 2,351,679 km (0.092 R)
• M8: 2,797,779 km (0.111 R)
• M9: 3,717,507 km (0.099 R)
• M10: 4,208,786 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 8.1

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.79 AU - 0.79 AU

Year: 476 Days

Day: 10.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 41,761,294 km

• M1: 100,829 km (0.057 R)
• M2: 501,901 km (0.113 R)
• M3: 957,277 km (0.085 R)
• M4: 1,399,638 km (0.039 R)
• M5: 3,470,521 km (0.11 R)
• M6: 3,970,178 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.8

Radius: 14.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.68 AU - 1 AU

Year: 522 Days

Day: 14.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,761,294 km

• M1: 185,352 km (0.083 R)
• M2: 1,130,511 km (0.11 R)
• M3: 1,673,851 km (0.118 R)
• M4: 3,078,275 km (0.095 R)
• M5: 3,678,911 km (0.116 R)
• M6: 4,255,461 km (0.065 R)
• M7: 5,085,729 km (0.111 R)
• M8: 6,648,578 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.7

Radius: 12.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.44 AU - 2.6 AU

Year: 2713 Days

Day: 11.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,761,294 km

• M1: 155,731 km (0.064 R)
• M2: 701,165 km (0.108 R)
• M3: 1,179,130 km (0.045 R)
• M4: 1,695,991 km (0.061 R)
• M5: 2,240,378 km (0.057 R)
• M6: 4,348,661 km (0.049 R)
• M7: 5,705,812 km (0.099 R)
• M8: 8,050,011 km (0.084 R)
• M9: 8,681,763 km (0.111 R)
• M10: 9,382,180 km (0.108 R)
• M11: 10,195,843 km (0.049 R)
• M12: 11,380,508 km (0.099 R)
• M13: 14,307,391 km (0.109 R)
• M14: 14,839,810 km (0.099 R)
• M15: 17,049,221 km (0.115 R)
• M16: 18,487,155 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.4

Radius: 8.3

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.65 AU - 3.03 AU

Year: 3246 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,761,294 km

• M1: 103,223 km (0.083 R)
• M2: 364,271 km (0.113 R)
• M3: 624,721 km (0.089 R)
• M4: 937,231 km (0.058 R)
• M5: 1,364,033 km (0.095 R)
• M6: 1,904,381 km (0.11 R)
• M7: 2,654,614 km (0.118 R)
• M8: 3,700,603 km (0.112 R)
• M9: 4,486,291 km (0.049 R)
• M10: 5,022,449 km (0.065 R)
• M11: 5,306,087 km (0.115 R)
• M12: 5,650,611 km (0.077 R)
• M13: 6,577,968 km (0.1 R)
• M14: 7,270,008 km (0.07 R)
• M15: 7,541,827 km (0.073 R)
• M16: 8,073,647 km (0.111 R)
• M17: 9,107,668 km (0.076 R)
• M18: 9,423,768 km (0.114 R)
• M19: 9,747,348 km (0.061 R)
• M20: 10,078,109 km (0.109 R)
• M21: 11,076,226 km (0.112 R)
• M22: 12,180,857 km (0.065 R)
• M23: 14,370,521 km (0.112 R)
• M24: 16,342,670 km (0.087 R)
• M25: 16,967,839 km (0.046 R)
• M26: 17,663,021 km (0.12 R)
• M27: 18,377,051 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.2

Radius: 13.5

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.16 AU - 4.92 AU

Year: 5508 Days

Day: 12.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,761,294 km

• M1: 181,761 km (0.091 R)
• M2: 689,646 km (0.112 R)
• M3: 1,390,811 km (0.119 R)
• M4: 1,843,943 km (0.092 R)
• M5: 4,202,204 km (0.094 R)
• M6: 7,415,417 km (0.074 R)
• M7: 8,119,724 km (0.052 R)
• M8: 10,677,249 km (0.106 R)
• M9: 13,783,499 km (0.077 R)
• M10: 16,550,611 km (0.114 R)
• M11: 20,882,367 km (0.117 R)
• M12: 22,359,795 km (0.042 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.9

Radius: 4.8

Gravity: 16.23 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.83 AU - 7.99 AU

Year: 11007 Days

Day: 16.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 41,761,294 km

• M1: 64,925 km (0.078 R)
• M2: 230,530 km (0.063 R)
• M3: 522,097 km (0.058 R)
• M4: 853,456 km (0.079 R)
• M5: 1,055,862 km (0.077 R)
• M6: 1,289,982 km (0.096 R)
• M7: 1,713,195 km (0.076 R)
• M8: 2,137,903 km (0.082 R)
• M9: 2,533,440 km (0.077 R)
• M10: 2,850,438 km (0.116 R)
• M11: 3,149,334 km (0.06 R)
• M12: 4,039,890 km (0.115 R)
• M13: 4,334,299 km (0.068 R)
• M14: 5,179,078 km (0.097 R)
• M15: 5,855,859 km (0.084 R)
• M16: 6,128,576 km (0.093 R)
• M17: 6,374,066 km (0.076 R)
• M18: 7,864,061 km (0.089 R)
• M19: 10,338,858 km (0.108 R)
• M20: 11,301,820 km (0.076 R)
• M21: 13,818,655 km (0.106 R)
• M22: 20,232,214 km (0.036 R)
• M23: 21,092,253 km (0.094 R)
• M24: 23,136,807 km (0.1 R)
• M25: 23,818,075 km (0.064 R)
• M26: 23,990,412 km (0.06 R)
• M27: 24,953,374 km (0.054 R)
• M28: 27,237,284 km (0.051 R)
• M29: 29,063,426 km (0.073 R)
• M30: 30,358,943 km (0.106 R)
• M31: 31,278,072 km (0.101 R)
• M32: 34,585,981 km (0.096 R)
• M33: 37,185,692 km (0.081 R)
• M34: 37,767,628 km (0.077 R)
• M35: 39,791,538 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 266 - 18,607 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit