🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.1

Radius: 14.2

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 8.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,050,851 km

• M1: 176,825 km (0.107 R)
• M2: 633,098 km (0.085 R)
• M3: 1,154,447 km (0.116 R)
• M4: 1,615,807 km (0.116 R)
• M5: 2,432,611 km (0.093 R)
• M6: 3,021,129 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413

Radius: 8.3

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.7 AU - 0.82 AU

Year: 442 Days

Day: 9.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,050,851 km

• M1: 103,223 km (0.069 R)
• M2: 364,720 km (0.098 R)
• M3: 760,855 km (0.11 R)
• M4: 1,319,453 km (0.091 R)
• M5: 1,648,269 km (0.042 R)
• M6: 2,464,924 km (0.117 R)
• M7: 2,728,067 km (0.118 R)
• M8: 3,323,018 km (0.094 R)
• M9: 3,765,678 km (0.12 R)
• M10: 4,572,160 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.9

Radius: 8.6

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.17 AU - 1.65 AU

Year: 1116 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,050,851 km

• M1: 107,262 km (0.041 R)
• M2: 463,454 km (0.117 R)
• M3: 736,620 km (0.103 R)
• M4: 1,649,167 km (0.064 R)
• M5: 1,959,882 km (0.052 R)
• M6: 2,423,785 km (0.045 R)
• M7: 4,317,843 km (0.088 R)
• M8: 4,839,192 km (0.101 R)
• M9: 6,270,993 km (0.075 R)
• M10: 8,203,798 km (0.092 R)
• M11: 9,734,333 km (0.042 R)
• M12: 10,694,303 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 40

Radius: 14.9

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.78 AU - 2.14 AU

Year: 1830 Days

Day: 11.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 88,050,851 km

• M1: 295,905 km (0.104 R)
• M2: 860,337 km (0.078 R)
• M3: 3,092,786 km (0.109 R)
• M4: 4,620,330 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.7

Radius: 13.8

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.06 AU - 4.22 AU

Year: 4631 Days

Day: 12.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 88,050,851 km

• M1: 171,589 km (0.063 R)
• M2: 967,449 km (0.102 R)
• M3: 1,686,118 km (0.108 R)
• M4: 2,640,702 km (0.114 R)
• M5: 3,399,163 km (0.081 R)
• M6: 3,863,664 km (0.087 R)
• M7: 4,716,222 km (0.098 R)
• M8: 6,044,352 km (0.096 R)
• M9: 6,538,773 km (0.034 R)
• M10: 8,870,855 km (0.106 R)
• M11: 10,138,996 km (0.116 R)
• M12: 11,155,663 km (0.117 R)
• M13: 11,997,899 km (0.081 R)
• M14: 14,835,621 km (0.057 R)
• M15: 17,593,158 km (0.117 R)
• M16: 18,669,814 km (0.084 R)
• M17: 19,924,641 km (0.109 R)
• M18: 21,305,579 km (0.031 R)
• M19: 23,344,748 km (0.103 R)
• M20: 24,411,680 km (0.07 R)
• M21: 25,911,548 km (0.091 R)
• M22: 28,747,475 km (0.104 R)
• M23: 29,356,039 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.1

Radius: 3.5

Gravity: 57.72 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.99 AU - 6.71 AU

Year: 10671 Days

Day: 21.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 88,050,851 km

• M1: 43,533 km (0.12 R)
• M2: 167,849 km (0.098 R)
• M3: 305,180 km (0.08 R)
• M4: 511,625 km (0.095 R)
• M5: 682,914 km (0.085 R)
• M6: 823,835 km (0.073 R)
• M7: 994,826 km (0.088 R)
• M8: 1,408,165 km (0.117 R)
• M9: 1,827,039 km (0.104 R)
• M10: 2,012,540 km (0.119 R)
• M11: 2,266,707 km (0.088 R)
• M12: 3,041,624 km (0.077 R)
• M13: 3,278,138 km (0.101 R)
• M14: 3,841,823 km (0.109 R)
• M15: 4,407,901 km (0.103 R)
• M16: 4,618,535 km (0.032 R)
• M17: 5,633,108 km (0.101 R)
• M18: 5,917,194 km (0.065 R)
• M19: 6,475,643 km (0.027 R)
• M20: 7,653,577 km (0.072 R)
• M21: 10,371,022 km (0.039 R)
• M22: 12,089,004 km (0.086 R)
• M23: 13,230,735 km (0.108 R)
• M24: 15,041,318 km (0.077 R)
• M25: 20,607,406 km (0.106 R)
• M26: 22,582,247 km (0.113 R)
• M27: 22,759,820 km (0.08 R)
• M28: 24,120,562 km (0.106 R)
• M29: 26,606,131 km (0.083 R)
• M30: 27,403,936 km (0.098 R)
• M31: 31,744,369 km (0.088 R)
• M32: 31,967,120 km (0.111 R)
• M33: 33,440,210 km (0.089 R)
• M34: 36,035,434 km (0.113 R)
• M35: 36,521,179 km (0.111 R)
• M36: 41,091,842 km (0.102 R)
• M37: 44,759,533 km (0.036 R)
• M38: 49,680,854 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946.3

Radius: 4

Gravity: 59.14 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.39 AU - 10.67 AU

Year: 21183 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 88,050,851 km

• M1: 50,714 km (0.069 R)
• M2: 209,587 km (0.064 R)
• M3: 371,152 km (0.093 R)
• M4: 537,804 km (0.101 R)
• M5: 864,676 km (0.081 R)
• M6: 1,236,127 km (0.113 R)
• M7: 1,596,508 km (0.033 R)
• M8: 1,960,929 km (0.09 R)
• M9: 2,852,981 km (0.094 R)
• M10: 3,790,511 km (0.084 R)
• M11: 5,150,355 km (0.086 R)
• M12: 5,473,188 km (0.119 R)
• M13: 6,949,270 km (0.057 R)
• M14: 10,403,036 km (0.11 R)
• M15: 12,856,740 km (0.051 R)
• M16: 16,605,663 km (0.101 R)
• M17: 18,493,438 km (0.112 R)
• M18: 20,221,443 km (0.078 R)
• M19: 23,118,705 km (0.03 R)
• M20: 24,553,199 km (0.104 R)
• M21: 26,280,905 km (0.03 R)
• M22: 26,994,038 km (0.113 R)
• M23: 37,772,415 km (0.119 R)
• M24: 38,527,884 km (0.09 R)
• M25: 40,696,605 km (0.09 R)
• M26: 45,956,466 km (0.059 R)
• M27: 46,644,167 km (0.111 R)
• M28: 46,817,102 km (0.066 R)
• M29: 50,549,719 km (0.076 R)
• M30: 51,282,449 km (0.099 R)
• M31: 53,523,276 km (0.069 R)
• M32: 55,052,764 km (0.092 R)
• M33: 59,815,811 km (0.071 R)
• M34: 60,020,012 km (0.082 R)
• M35: 60,429,910 km (0.108 R)
• M36: 66,803,079 km (0.108 R)
• M37: 69,924,588 km (0.073 R)
• M38: 70,606,006 km (0.047 R)
• M39: 71,521,246 km (0.104 R)
• M40: 75,261,642 km (0.1 R)
• M41: 75,977,168 km (0.073 R)
• M42: 81,113,461 km (0.081 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 13,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit