🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.6

Radius: 12.9

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.56 AU - 0.66 AU

Year: 323 Days

Day: 11.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,007,705 km

• M1: 160,369 km (0.093 R)
• M2: 613,202 km (0.1 R)
• M3: 1,034,320 km (0.114 R)
• M4: 1,485,357 km (0.12 R)
• M5: 1,925,175 km (0.068 R)
• M6: 2,485,120 km (0.117 R)
• M7: 2,929,575 km (0.114 R)
• M8: 3,417,264 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.9

Radius: 14.2

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.57 AU - 0.69 AU

Year: 339 Days

Day: 14.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,007,705 km

• M1: 176,675 km (0.103 R)
• M2: 761,304 km (0.087 R)
• M3: 1,542,803 km (0.08 R)
• M4: 2,083,001 km (0.116 R)
• M5: 2,678,699 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.7

Radius: 8.8

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.58 AU - 1.76 AU

Year: 1464 Days

Day: 7.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,007,705 km

• M1: 109,805 km (0.071 R)
• M2: 383,719 km (0.114 R)
• M3: 667,057 km (0.036 R)
• M4: 986,448 km (0.102 R)
• M5: 1,501,963 km (0.035 R)
• M6: 2,099,008 km (0.067 R)
• M7: 2,846,249 km (0.066 R)
• M8: 3,379,715 km (0.12 R)
• M9: 3,743,986 km (0.082 R)
• M10: 4,330,410 km (0.107 R)
• M11: 4,741,654 km (0.115 R)
• M12: 5,077,053 km (0.101 R)
• M13: 6,389,774 km (0.081 R)
• M14: 6,799,822 km (0.039 R)
• M15: 7,592,690 km (0.052 R)
• M16: 9,149,107 km (0.099 R)
• M17: 9,545,990 km (0.105 R)
• M18: 10,739,033 km (0.073 R)
• M19: 11,078,022 km (0.098 R)
• M20: 11,564,364 km (0.109 R)
• M21: 12,064,919 km (0.041 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 908.2

Radius: 5.1

Gravity: 34.92 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.79 AU - 6.19 AU

Year: 9943 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,007,705 km

• M1: 67,020 km (0.058 R)
• M2: 247,435 km (0.111 R)
• M3: 508,184 km (0.051 R)
• M4: 911,949 km (0.073 R)
• M5: 1,106,276 km (0.054 R)
• M6: 1,654,702 km (0.031 R)
• M7: 1,862,045 km (0.115 R)
• M8: 2,368,134 km (0.084 R)
• M9: 2,915,812 km (0.064 R)
• M10: 3,441,948 km (0.054 R)
• M11: 4,258,303 km (0.103 R)
• M12: 5,297,560 km (0.025 R)
• M13: 5,967,309 km (0.116 R)
• M14: 7,137,165 km (0.034 R)
• M15: 7,515,947 km (0.095 R)
• M16: 10,024,254 km (0.103 R)
• M17: 10,660,943 km (0.116 R)
• M18: 11,494,352 km (0.108 R)
• M19: 12,132,537 km (0.12 R)
• M20: 12,671,987 km (0.106 R)
• M21: 13,352,807 km (0.117 R)
• M22: 14,585,792 km (0.076 R)
• M23: 14,787,151 km (0.117 R)
• M24: 20,362,514 km (0.09 R)
• M25: 24,641,911 km (0.042 R)
• M26: 27,498,033 km (0.031 R)
• M27: 28,636,623 km (0.118 R)
• M28: 29,806,329 km (0.109 R)
• M29: 31,340,754 km (0.101 R)
• M30: 33,856,990 km (0.069 R)
• M31: 35,164,176 km (0.109 R)
• M32: 35,526,502 km (0.113 R)
• M33: 40,996,249 km (0.073 R)
• M34: 41,531,810 km (0.094 R)
• M35: 45,127,843 km (0.073 R)
• M36: 48,328,340 km (0.036 R)
• M37: 50,288,820 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.5

Radius: 3.9

Gravity: 34.68 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.67 AU - 9.73 AU

Year: 20490 Days

Day: 19.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,007,705 km

• M1: 50,564 km (0.083 R)
• M2: 292,314 km (0.073 R)
• M3: 434,582 km (0.12 R)
• M4: 1,064,838 km (0.045 R)
• M5: 1,250,788 km (0.102 R)
• M6: 1,830,180 km (0.085 R)
• M7: 2,304,705 km (0.113 R)
• M8: 2,640,402 km (0.073 R)
• M9: 2,931,819 km (0.061 R)
• M10: 4,122,020 km (0.083 R)
• M11: 4,547,626 km (0.118 R)
• M12: 5,038,007 km (0.09 R)
• M13: 5,258,664 km (0.109 R)
• M14: 5,679,932 km (0.103 R)
• M15: 6,808,797 km (0.114 R)
• M16: 7,784,176 km (0.075 R)
• M17: 9,008,784 km (0.061 R)
• M18: 9,555,115 km (0.06 R)
• M19: 10,894,615 km (0.063 R)
• M20: 11,078,022 km (0.041 R)
• M21: 11,768,565 km (0.088 R)
• M22: 15,195,105 km (0.098 R)
• M23: 16,204,591 km (0.092 R)
• M24: 17,340,787 km (0.079 R)
• M25: 20,784,081 km (0.085 R)
• M26: 22,026,042 km (0.082 R)
• M27: 25,506,287 km (0.114 R)
• M28: 33,531,615 km (0.091 R)
• M29: 37,969,585 km (0.03 R)
• M30: 38,391,451 km (0.115 R)
• M31: 44,942,940 km (0.114 R)
• M32: 45,414,922 km (0.063 R)
• M33: 45,573,047 km (0.07 R)
• M34: 47,498,521 km (0.074 R)
• M35: 48,977,894 km (0.065 R)
• M36: 61,933,668 km (0.095 R)
• M37: 65,697,251 km (0.11 R)
• M38: 68,151,105 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.4

Radius: 6.3

Gravity: 14.9 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 9.17 AU - 11.91 AU

Year: 23209 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 80,007,705 km

• M1: 79,736 km (0.11 R)
• M2: 609,462 km (0.118 R)
• M3: 807,978 km (0.079 R)
• M4: 1,704,668 km (0.111 R)
• M5: 2,130,274 km (0.077 R)
• M6: 2,576,674 km (0.117 R)
• M7: 3,684,596 km (0.079 R)
• M8: 4,126,956 km (0.078 R)
• M9: 4,464,300 km (0.118 R)
• M10: 5,079,596 km (0.109 R)
• M11: 5,348,872 km (0.096 R)
• M12: 6,127,978 km (0.084 R)
• M13: 10,495,039 km (0.08 R)
• M14: 10,743,521 km (0.102 R)
• M15: 13,160,125 km (0.099 R)
• M16: 13,668,907 km (0.117 R)
• M17: 15,593,035 km (0.058 R)
• M18: 16,080,275 km (0.067 R)
• M19: 17,256,862 km (0.117 R)
• M20: 21,526,236 km (0.052 R)
• M21: 22,642,386 km (0.085 R)
• M22: 24,334,038 km (0.053 R)
• M23: 25,881,778 km (0.088 R)
• M24: 26,450,250 km (0.058 R)
• M25: 34,889,215 km (0.099 R)
• M26: 43,507,100 km (0.106 R)
• M27: 44,148,875 km (0.093 R)
• M28: 45,451,274 km (0.105 R)
• M29: 46,278,251 km (0.118 R)
• M30: 46,946,953 km (0.09 R)
• M31: 52,712,007 km (0.117 R)
• M32: 66,678,464 km (0.063 R)
• M33: 74,618,520 km (0.086 R)
• M34: 74,847,555 km (0.225 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 290 - 19,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit