🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.45 AU - 0.59 AU

Year: 246 Days

Day: 42.7 Hours

Environment

Temp: -111 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 77,336,200 km

• M1: 44,431 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.1

Radius: 9.8

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.64 AU - 0.98 AU

Year: 478 Days

Day: 5.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,336,200 km

• M1: 122,670 km (0.095 R)
• M2: 442,511 km (0.117 R)
• M3: 1,209,648 km (0.075 R)
• M4: 1,594,115 km (0.111 R)
• M5: 2,051,136 km (0.113 R)
• M6: 2,604,349 km (0.049 R)
• M7: 3,326,009 km (0.089 R)
• M8: 4,161,514 km (0.079 R)
• M9: 4,494,070 km (0.083 R)
• M10: 6,170,314 km (0.111 R)

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.2

Radius: 13

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.03 AU - 1.69 AU

Year: 1040 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,336,200 km

• M1: 161,715 km (0.101 R)
• M2: 624,870 km (0.115 R)
• M3: 1,172,997 km (0.083 R)
• M4: 2,011,343 km (0.105 R)
• M5: 2,592,980 km (0.074 R)
• M6: 3,379,865 km (0.062 R)
• M7: 4,035,253 km (0.1 R)
• M8: 4,705,003 km (0.089 R)
• M9: 6,019,220 km (0.093 R)
• M10: 6,717,992 km (0.081 R)
• M11: 7,493,956 km (0.078 R)
• M12: 8,559,990 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131

Radius: 14.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.81 AU - 4.19 AU

Year: 4295 Days

Day: 12.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 77,336,200 km

• M1: 183,407 km (0.088 R)
• M2: 1,066,034 km (0.11 R)
• M3: 1,557,912 km (0.054 R)
• M4: 2,133,565 km (0.058 R)
• M5: 2,640,103 km (0.043 R)
• M6: 3,387,494 km (0.105 R)
• M7: 4,566,774 km (0.111 R)
• M8: 5,218,722 km (0.083 R)
• M9: 7,668,985 km (0.061 R)
• M10: 13,088,617 km (0.115 R)
• M11: 14,189,657 km (0.104 R)
• M12: 14,673,756 km (0.086 R)
• M13: 15,443,736 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.4

Radius: 7.3

Gravity: 16.13 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.39 AU - 7.39 AU

Year: 11864 Days

Day: 15.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 77,336,200 km

• M1: 90,956 km (0.061 R)
• M2: 395,537 km (0.031 R)
• M3: 1,179,579 km (0.037 R)
• M4: 1,637,049 km (0.079 R)
• M5: 2,226,764 km (0.057 R)
• M6: 2,466,121 km (0.078 R)
• M7: 2,700,690 km (0.061 R)
• M8: 3,215,157 km (0.096 R)
• M9: 4,136,232 km (0.119 R)
• M10: 4,918,329 km (0.112 R)
• M11: 5,648,217 km (0.118 R)
• M12: 5,982,269 km (0.075 R)
• M13: 7,585,061 km (0.108 R)
• M14: 8,131,093 km (0.103 R)
• M15: 8,413,683 km (0.115 R)
• M16: 8,998,611 km (0.088 R)
• M17: 10,803,659 km (0.115 R)
• M18: 11,377,367 km (0.094 R)
• M19: 11,671,775 km (0.104 R)
• M20: 13,028,179 km (0.043 R)
• M21: 13,480,863 km (0.104 R)
• M22: 16,346,410 km (0.107 R)
• M23: 19,932,271 km (0.091 R)
• M24: 21,953,039 km (0.101 R)
• M25: 23,342,205 km (0.112 R)
• M26: 28,180,499 km (0.111 R)
• M27: 28,503,331 km (0.065 R)
• M28: 31,061,305 km (0.108 R)
• M29: 32,337,076 km (0.055 R)
• M30: 32,690,875 km (0.099 R)
• M31: 34,010,777 km (0.086 R)
• M32: 35,741,474 km (0.072 R)
• M33: 37,141,860 km (0.11 R)
• M34: 39,781,215 km (0.109 R)
• M35: 51,590,471 km (0.089 R)
• M36: 57,591,291 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.5

Radius: 3.4

Gravity: 41.31 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 7.18 AU - 10.52 AU

Year: 17271 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 77,336,200 km

• M1: 45,328 km (0.034 R)
• M2: 164,558 km (0.094 R)
• M3: 311,912 km (0.099 R)
• M4: 495,618 km (0.115 R)
• M5: 738,714 km (0.105 R)
• M6: 941,419 km (0.078 R)
• M7: 1,116,898 km (0.089 R)
• M8: 2,320,263 km (0.105 R)
• M9: 3,318,230 km (0.09 R)
• M10: 4,571,861 km (0.088 R)
• M11: 4,702,459 km (0.073 R)
• M12: 4,869,411 km (0.11 R)
• M13: 5,576,410 km (0.102 R)
• M14: 5,839,254 km (0.119 R)
• M15: 6,512,145 km (0.039 R)
• M16: 6,636,012 km (0.111 R)
• M17: 7,147,337 km (0.075 R)
• M18: 7,279,283 km (0.106 R)
• M19: 7,822,921 km (0.084 R)
• M20: 8,152,336 km (0.095 R)
• M21: 8,589,311 km (0.062 R)
• M22: 8,788,426 km (0.107 R)
• M23: 10,437,593 km (0.088 R)
• M24: 10,779,125 km (0.102 R)
• M25: 12,219,453 km (0.068 R)
• M26: 13,987,850 km (0.097 R)
• M27: 21,374,095 km (0.057 R)
• M28: 21,556,455 km (0.073 R)
• M29: 24,716,560 km (0.12 R)
• M30: 29,503,991 km (0.089 R)
• M31: 30,300,301 km (0.117 R)
• M32: 38,121,128 km (0.102 R)
• M33: 38,929,405 km (0.105 R)
• M34: 39,611,571 km (0.057 R)
• M35: 43,433,797 km (0.05 R)
• M36: 46,418,424 km (0.1 R)
• M37: 52,130,071 km (0.086 R)
• M38: 54,812,061 km (0.11 R)
• M39: 56,708,514 km (0.057 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.8

Radius: 8

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 8.62 AU - 10.52 AU

Year: 19421 Days

Day: 19.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,336,200 km

• M1: 99,931 km (0.12 R)
• M2: 511,625 km (0.101 R)
• M3: 778,807 km (0.11 R)
• M4: 1,210,696 km (0.068 R)
• M5: 1,581,848 km (0.055 R)
• M6: 2,955,156 km (0.048 R)
• M7: 3,725,137 km (0.074 R)
• M8: 4,240,800 km (0.117 R)
• M9: 4,913,991 km (0.103 R)
• M10: 6,884,195 km (0.099 R)
• M11: 7,610,492 km (0.092 R)
• M12: 8,711,832 km (0.104 R)
• M13: 8,989,037 km (0.109 R)
• M14: 12,163,504 km (0.111 R)
• M15: 13,006,488 km (0.046 R)
• M16: 15,851,241 km (0.108 R)
• M17: 18,352,068 km (0.105 R)
• M18: 18,808,491 km (0.08 R)
• M19: 20,126,299 km (0.087 R)
• M20: 20,611,595 km (0.115 R)
• M21: 20,906,602 km (0.111 R)
• M22: 26,942,128 km (0.1 R)
• M23: 27,889,381 km (0.105 R)
• M24: 29,725,247 km (0.059 R)
• M25: 30,101,784 km (0.111 R)
• M26: 30,481,464 km (0.091 R)
• M27: 36,139,554 km (0.062 R)
• M28: 43,257,870 km (0.045 R)
• M29: 45,546,119 km (0.1 R)
• M30: 47,399,637 km (0.025 R)
• M31: 48,953,210 km (0.098 R)
• M32: 54,376,732 km (0.085 R)
• M33: 59,787,687 km (0.105 R)
• M34: 63,242,201 km (0.079 R)
• M35: 65,546,905 km (0.054 R)
• M36: 74,630,787 km (0.066 R)
• M37: 75,094,242 km (0.09 R)
• M38: 79,592,799 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.8

Radius: 4.1

Gravity: 46.86 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 7.77 AU - 11.85 AU

Year: 20156 Days

Day: 23.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,336,200 km

• M1: 51,013 km (0.101 R)
• M2: 185,950 km (0.073 R)
• M3: 472,879 km (0.064 R)
• M4: 711,039 km (0.109 R)
• M5: 1,144,274 km (0.07 R)
• M6: 1,287,290 km (0.111 R)
• M7: 1,904,830 km (0.117 R)
• M8: 2,345,545 km (0.106 R)
• M9: 2,955,156 km (0.091 R)
• M10: 3,514,054 km (0.104 R)
• M11: 4,445,301 km (0.104 R)
• M12: 4,692,586 km (0.081 R)
• M13: 6,285,803 km (0.086 R)
• M14: 7,348,547 km (0.106 R)
• M15: 8,742,500 km (0.096 R)
• M16: 15,355,174 km (0.119 R)
• M17: 15,757,144 km (0.107 R)
• M18: 16,331,749 km (0.111 R)
• M19: 17,262,547 km (0.086 R)
• M20: 18,139,041 km (0.09 R)
• M21: 18,317,810 km (0.1 R)
• M22: 18,497,777 km (0.048 R)
• M23: 23,074,574 km (0.111 R)
• M24: 23,601,757 km (0.112 R)
• M25: 24,789,863 km (0.108 R)
• M26: 27,993,053 km (0.1 R)
• M27: 32,766,422 km (0.076 R)
• M28: 36,044,709 km (0.101 R)
• M29: 38,642,177 km (0.083 R)
• M30: 50,988,340 km (0.078 R)
• M31: 52,967,968 km (0.086 R)
• M32: 60,002,210 km (0.066 R)
• M33: 64,258,868 km (0.073 R)
• M34: 66,992,170 km (0.085 R)
• M35: 67,419,422 km (0.109 R)
• M36: 68,712,247 km (0.109 R)
• M37: 71,124,961 km (0.067 R)
• M38: 77,520,270 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.5

Radius: 3.9

Gravity: 37.97 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 10.13 AU - 10.87 AU

Year: 22320 Days

Day: 17 Hours

Environment

Temp: -221 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 77,336,200 km

• M1: 48,619 km (0.114 R)
• M2: 218,263 km (0.04 R)
• M3: 724,203 km (0.054 R)
• M4: 860,337 km (0.099 R)
• M5: 1,953,000 km (0.053 R)
• M6: 2,135,210 km (0.072 R)
• M7: 2,487,214 km (0.105 R)
• M8: 3,086,204 km (0.045 R)
• M9: 3,745,332 km (0.103 R)
• M10: 4,668,501 km (0.091 R)
• M11: 5,032,173 km (0.117 R)
• M12: 6,023,558 km (0.042 R)
• M13: 9,030,475 km (0.06 R)
• M14: 11,104,949 km (0.109 R)
• M15: 11,685,688 km (0.088 R)
• M16: 13,840,795 km (0.099 R)
• M17: 15,521,677 km (0.092 R)
• M18: 17,333,756 km (0.089 R)
• M19: 17,764,448 km (0.101 R)
• M20: 18,026,244 km (0.109 R)
• M21: 26,444,715 km (0.103 R)
• M22: 27,015,281 km (0.073 R)
• M23: 31,114,113 km (0.098 R)
• M24: 32,135,268 km (0.058 R)
• M25: 40,366,442 km (0.083 R)
• M26: 43,921,935 km (0.088 R)
• M27: 45,044,068 km (0.1 R)
• M28: 48,017,177 km (0.054 R)
• M29: 58,290,212 km (0.07 R)
• M30: 66,942,803 km (0.115 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: 221 - 18,945 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit