🌌 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: 580.9

Radius: 9.4

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.62 AU - 1.04 AU

Year: 488 Days

Day: 7.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,846,174 km

• M1: 118,482 km (0.044 R)
• M2: 579,692 km (0.094 R)
• M3: 873,352 km (0.094 R)
• M4: 1,282,652 km (0.031 R)
• M5: 1,756,728 km (0.11 R)
• M6: 2,129,526 km (0.029 R)
• M7: 2,777,883 km (0.073 R)
• M8: 3,160,105 km (0.118 R)
• M9: 3,614,733 km (0.118 R)
• M10: 4,293,010 km (0.081 R)
• M11: 4,913,243 km (0.037 R)
• M12: 5,359,194 km (0.085 R)
• M13: 5,660,035 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.8

Radius: 10.9

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.7 AU - 0.96 AU

Year: 488 Days

Day: 12.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,846,174 km

• M1: 136,732 km (0.025 R)
• M2: 737,218 km (0.108 R)
• M3: 1,106,575 km (0.063 R)
• M4: 1,580,950 km (0.077 R)
• M5: 1,984,715 km (0.083 R)
• M6: 2,694,407 km (0.096 R)
• M7: 3,108,943 km (0.107 R)
• M8: 3,540,084 km (0.111 R)
• M9: 4,298,844 km (0.086 R)
• M10: 5,348,573 km (0.091 R)
• M11: 5,698,332 km (0.104 R)
• M12: 6,561,363 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.2

Radius: 9.5

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.96 AU - 1.46 AU

Year: 859 Days

Day: 13.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,846,174 km

• M1: 118,182 km (0.086 R)
• M2: 418,724 km (0.04 R)
• M3: 737,518 km (0.101 R)
• M4: 1,194,838 km (0.055 R)
• M5: 1,589,029 km (0.109 R)
• M6: 2,022,713 km (0.119 R)
• M7: 2,396,109 km (0.073 R)
• M8: 3,888,797 km (0.119 R)
• M9: 4,406,405 km (0.09 R)
• M10: 5,692,349 km (0.084 R)
• M11: 6,546,104 km (0.051 R)
• M12: 7,014,644 km (0.11 R)
• M13: 7,782,829 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 104.5

Radius: 12.2

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.96 AU - 1.48 AU

Year: 870 Days

Day: 10.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,846,174 km

• M1: 151,692 km (0.095 R)
• M2: 542,143 km (0.096 R)
• M3: 932,593 km (0.108 R)
• M4: 1,353,861 km (0.075 R)
• M5: 1,890,019 km (0.074 R)
• M6: 2,361,103 km (0.045 R)
• M7: 3,407,839 km (0.101 R)
• M8: 4,049,465 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 161.2

Radius: 12

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 5.9 AU - 6.02 AU

Year: 9395 Days

Day: 12.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,846,174 km

• M1: 149,299 km (0.07 R)
• M2: 622,926 km (0.078 R)
• M3: 1,048,681 km (0.094 R)
• M4: 1,723,218 km (0.066 R)
• M5: 2,123,991 km (0.072 R)
• M6: 3,043,718 km (0.088 R)
• M7: 3,594,837 km (0.078 R)
• M8: 4,282,089 km (0.098 R)
• M9: 4,898,732 km (0.05 R)
• M10: 5,461,669 km (0.112 R)
• M11: 5,948,610 km (0.086 R)
• M12: 6,653,664 km (0.106 R)
• M13: 7,076,278 km (0.104 R)
• M14: 7,939,757 km (0.073 R)
• M15: 8,566,124 km (0.105 R)
• M16: 10,043,702 km (0.077 R)
• M17: 10,644,936 km (0.063 R)
• M18: 14,770,097 km (0.081 R)
• M19: 15,267,211 km (0.046 R)
• M20: 16,706,941 km (0.089 R)
• M21: 18,235,382 km (0.093 R)
• M22: 19,855,078 km (0.096 R)
• M23: 20,871,895 km (0.104 R)
• M24: 26,889,170 km (0.059 R)
• M25: 28,217,599 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.2

Radius: 3.1

Gravity: 55.8 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 5.96 AU - 9.64 AU

Year: 14066 Days

Day: 24.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,846,174 km

• M1: 38,746 km (0.043 R)
• M2: 244,892 km (0.101 R)
• M3: 686,804 km (0.113 R)
• M4: 1,229,246 km (0.052 R)
• M5: 3,325,860 km (0.069 R)
• M6: 3,774,803 km (0.11 R)
• M7: 3,885,954 km (0.116 R)
• M8: 4,922,069 km (0.108 R)
• M9: 5,088,422 km (0.063 R)
• M10: 6,924,287 km (0.115 R)
• M11: 8,620,278 km (0.069 R)
• M12: 10,684,280 km (0.083 R)
• M13: 11,304,812 km (0.11 R)
• M14: 11,770,959 km (0.081 R)
• M15: 12,617,384 km (0.08 R)
• M16: 15,398,558 km (0.065 R)
• M17: 16,631,693 km (0.111 R)
• M18: 17,772,975 km (0.11 R)
• M19: 24,078,675 km (0.069 R)
• M20: 24,461,795 km (0.034 R)
• M21: 30,482,361 km (0.12 R)
• M22: 37,164,001 km (0.09 R)
• M23: 37,291,458 km (0.054 R)
• M24: 42,491,929 km (0.045 R)
• M25: 45,628,248 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 470.1

Radius: 3.7

Gravity: 34.34 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.92 AU - 9.64 AU

Year: 16798 Days

Day: 16.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 65,846,174 km

• M1: 47,572 km (0.09 R)
• M2: 202,855 km (0.067 R)
• M3: 488,736 km (0.062 R)
• M4: 639,381 km (0.114 R)
• M5: 791,522 km (0.119 R)
• M6: 1,156,990 km (0.065 R)
• M7: 1,384,827 km (0.115 R)
• M8: 1,625,830 km (0.118 R)
• M9: 1,983,967 km (0.078 R)
• M10: 3,587,357 km (0.095 R)
• M11: 5,342,290 km (0.044 R)
• M12: 5,743,960 km (0.03 R)
• M13: 6,444,078 km (0.114 R)
• M14: 6,689,568 km (0.085 R)
• M15: 7,069,547 km (0.045 R)
• M16: 7,199,398 km (0.083 R)
• M17: 7,780,286 km (0.093 R)
• M18: 10,141,988 km (0.077 R)
• M19: 12,495,013 km (0.088 R)
• M20: 15,044,908 km (0.101 R)
• M21: 17,523,296 km (0.088 R)
• M22: 19,403,143 km (0.053 R)
• M23: 20,698,960 km (0.119 R)
• M24: 21,143,415 km (0.105 R)
• M25: 22,514,928 km (0.081 R)
• M26: 22,796,172 km (0.105 R)
• M27: 24,042,023 km (0.102 R)
• M28: 26,460,123 km (0.085 R)
• M29: 30,383,477 km (0.119 R)
• M30: 33,935,230 km (0.037 R)
• M31: 34,181,318 km (0.073 R)
• M32: 34,304,886 km (0.065 R)
• M33: 39,629,972 km (0.083 R)
• M34: 40,040,020 km (0.097 R)
• M35: 43,133,105 km (0.074 R)
• M36: 44,737,842 km (0.106 R)
• M37: 48,065,646 km (0.082 R)
• M38: 53,527,165 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.9

Radius: 4.9

Gravity: 25.07 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.84 AU - 10.82 AU

Year: 16942 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,846,174 km

• M1: 61,934 km (0.056 R)
• M2: 473,627 km (0.09 R)
• M3: 630,705 km (0.027 R)
• M4: 1,634,357 km (0.106 R)
• M5: 1,856,360 km (0.099 R)
• M6: 2,808,102 km (0.096 R)
• M7: 3,153,074 km (0.114 R)
• M8: 3,498,346 km (0.103 R)
• M9: 4,520,698 km (0.049 R)
• M10: 4,821,689 km (0.093 R)
• M11: 6,282,363 km (0.028 R)
• M12: 6,488,808 km (0.1 R)
• M13: 6,828,544 km (0.108 R)
• M14: 8,964,503 km (0.105 R)
• M15: 9,601,491 km (0.07 R)
• M16: 10,729,458 km (0.047 R)
• M17: 10,965,225 km (0.12 R)
• M18: 12,713,575 km (0.109 R)
• M19: 15,223,379 km (0.071 R)
• M20: 16,360,023 km (0.049 R)
• M21: 20,920,813 km (0.096 R)
• M22: 21,104,370 km (0.107 R)
• M23: 22,228,000 km (0.086 R)
• M24: 25,943,412 km (0.111 R)
• M25: 26,368,270 km (0.072 R)
• M26: 27,341,105 km (0.107 R)
• M27: 33,560,637 km (0.111 R)
• M28: 38,010,126 km (0.078 R)
• M29: 39,111,316 km (0.117 R)
• M30: 40,092,229 km (0.084 R)
• M31: 44,785,713 km (0.099 R)
• M32: 47,264,250 km (0.06 R)
• M33: 47,422,076 km (0.068 R)
• M34: 52,154,904 km (0.047 R)
• M35: 56,479,479 km (0.082 R)
• M36: 58,819,938 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.7

Radius: 6.9

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.88 AU - 10.82 AU

Year: 19960 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,846,174 km

• M1: 93,050 km (0.084 R)
• M2: 426,354 km (0.089 R)
• M3: 669,151 km (0.117 R)
• M4: 1,113,307 km (0.047 R)
• M5: 1,380,190 km (0.111 R)
• M6: 1,689,708 km (0.091 R)
• M7: 2,385,188 km (0.105 R)
• M8: 2,809,747 km (0.045 R)
• M9: 3,103,109 km (0.107 R)
• M10: 4,016,703 km (0.085 R)
• M11: 4,888,559 km (0.107 R)
• M12: 5,350,817 km (0.042 R)
• M13: 5,919,887 km (0.036 R)
• M14: 7,222,884 km (0.105 R)
• M15: 8,158,769 km (0.106 R)
• M16: 9,120,533 km (0.086 R)
• M17: 9,385,621 km (0.054 R)
• M18: 22,448,806 km (0.11 R)
• M19: 24,630,691 km (0.116 R)
• M20: 26,950,206 km (0.118 R)
• M21: 28,953,022 km (0.108 R)
• M22: 32,631,484 km (0.11 R)
• M23: 34,262,700 km (0.094 R)
• M24: 38,923,272 km (0.085 R)
• M25: 46,132,991 km (0.082 R)
• M26: 48,185,025 km (0.084 R)
• M27: 50,793,264 km (0.114 R)
• M28: 52,132,016 km (0.091 R)
• M29: 52,470,406 km (0.053 R)
• M30: 54,879,829 km (0.088 R)
• M31: 55,934,644 km (0.064 R)
• M32: 56,824,003 km (0.117 R)
• M33: 61,789,605 km (0.112 R)
• M34: 64,864,739 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 12,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit