🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.41 AU - 0.61 AU

Year: 239 Days

Day: 47.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,503,517 km

• M1: 56,548 km (0.078 R)
• M2: 110,403 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 29

Radius: 12.4

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.89 AU - 1.07 AU

Year: 636 Days

Day: 11.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,503,517 km

• M1: 170,392 km (0.07 R)
• M2: 638,633 km (0.092 R)
• M3: 1,090,568 km (0.113 R)
• M4: 1,527,394 km (0.079 R)
• M5: 2,178,743 km (0.113 R)
• M6: 2,603,302 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.1

Radius: 13.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.24 AU - 1.84 AU

Year: 1254 Days

Day: 13.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 67.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,503,517 km

• M1: 166,951 km (0.098 R)
• M2: 609,163 km (0.092 R)
• M3: 1,082,939 km (0.109 R)
• M4: 2,061,459 km (0.096 R)
• M5: 2,944,684 km (0.117 R)
• M6: 3,786,472 km (0.104 R)
• M7: 4,505,140 km (0.048 R)
• M8: 5,415,443 km (0.053 R)
• M9: 7,043,666 km (0.112 R)
• M10: 7,917,318 km (0.082 R)
• M11: 10,612,772 km (0.093 R)
• M12: 11,244,674 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.4

Radius: 9.2

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.55 AU - 5.31 AU

Year: 6117 Days

Day: 8.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,503,517 km

• M1: 114,592 km (0.08 R)
• M2: 411,095 km (0.061 R)
• M3: 719,566 km (0.091 R)
• M4: 1,944,623 km (0.107 R)
• M5: 5,096,799 km (0.093 R)
• M6: 6,032,385 km (0.087 R)
• M7: 7,221,837 km (0.105 R)
• M8: 12,489,926 km (0.097 R)
• M9: 14,815,126 km (0.064 R)
• M10: 17,942,320 km (0.093 R)
• M11: 20,087,852 km (0.034 R)
• M12: 25,298,646 km (0.081 R)
• M13: 32,719,747 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.5

Radius: 8.5

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.46 AU - 5.58 AU

Year: 7378 Days

Day: 5.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,503,517 km

• M1: 105,766 km (0.033 R)
• M2: 387,309 km (0.054 R)
• M3: 766,091 km (0.1 R)
• M4: 1,060,948 km (0.115 R)
• M5: 1,793,678 km (0.045 R)
• M6: 3,057,631 km (0.105 R)
• M7: 4,146,853 km (0.12 R)
• M8: 5,475,880 km (0.108 R)
• M9: 5,833,120 km (0.117 R)
• M10: 6,333,525 km (0.112 R)
• M11: 8,469,035 km (0.103 R)
• M12: 9,656,393 km (0.088 R)
• M13: 11,664,296 km (0.039 R)
• M14: 13,130,654 km (0.079 R)
• M15: 13,448,699 km (0.052 R)
• M16: 14,490,050 km (0.063 R)
• M17: 15,232,953 km (0.11 R)
• M18: 16,061,127 km (0.112 R)
• M19: 16,981,453 km (0.098 R)
• M20: 18,066,486 km (0.088 R)
• M21: 20,092,789 km (0.064 R)
• M22: 22,642,984 km (0.117 R)
• M23: 22,947,565 km (0.087 R)
• M24: 23,564,956 km (0.113 R)
• M25: 25,730,235 km (0.106 R)
• M26: 28,376,173 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.6

Radius: 8.6

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 4.67 AU - 5.37 AU

Year: 7378 Days

Day: 13.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,503,517 km

• M1: 106,962 km (0.052 R)
• M2: 556,354 km (0.083 R)
• M3: 890,407 km (0.044 R)
• M4: 1,323,642 km (0.093 R)
• M5: 1,747,602 km (0.078 R)
• M6: 2,829,494 km (0.112 R)
• M7: 4,097,336 km (0.107 R)
• M8: 5,424,269 km (0.086 R)
• M9: 6,168,967 km (0.111 R)
• M10: 6,654,712 km (0.07 R)
• M11: 7,128,189 km (0.05 R)
• M12: 7,860,620 km (0.097 R)
• M13: 8,899,727 km (0.055 R)
• M14: 9,611,065 km (0.062 R)
• M15: 11,298,828 km (0.117 R)
• M16: 11,606,850 km (0.05 R)
• M17: 13,006,936 km (0.081 R)
• M18: 14,880,650 km (0.078 R)
• M19: 16,794,306 km (0.099 R)
• M20: 17,810,225 km (0.105 R)
• M21: 21,571,115 km (0.114 R)
• M22: 22,125,525 km (0.055 R)
• M23: 22,689,359 km (0.071 R)
• M24: 27,550,692 km (0.059 R)
• M25: 30,519,462 km (0.107 R)
• M26: 32,440,747 km (0.025 R)
• M27: 33,800,891 km (0.099 R)
• M28: 34,334,058 km (0.119 R)
• M29: 35,089,826 km (0.06 R)
• M30: 35,526,652 km (0.101 R)
• M31: 36,188,623 km (0.114 R)
• M32: 38,109,010 km (0.052 R)
• M33: 38,454,881 km (0.097 R)
• M34: 38,802,845 km (0.034 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 849

Radius: 5.7

Gravity: 26.13 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.05 AU - 7.35 AU

Year: 10127 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,503,517 km

• M1: 70,909 km (0.047 R)
• M2: 339,438 km (0.105 R)
• M3: 586,274 km (0.091 R)
• M4: 951,143 km (0.036 R)
• M5: 2,073,127 km (0.117 R)
• M6: 2,275,084 km (0.071 R)
• M7: 2,938,701 km (0.063 R)
• M8: 3,592,593 km (0.105 R)
• M9: 4,251,422 km (0.087 R)
• M10: 4,955,280 km (0.109 R)
• M11: 5,698,632 km (0.096 R)
• M12: 7,153,621 km (0.116 R)
• M13: 8,557,597 km (0.06 R)
• M14: 10,188,064 km (0.068 R)
• M15: 10,883,694 km (0.03 R)
• M16: 11,104,052 km (0.079 R)
• M17: 12,791,216 km (0.113 R)
• M18: 13,536,962 km (0.111 R)
• M19: 13,856,054 km (0.098 R)
• M20: 14,245,457 km (0.074 R)
• M21: 15,666,487 km (0.06 R)
• M22: 19,586,849 km (0.081 R)
• M23: 20,409,039 km (0.104 R)
• M24: 22,564,744 km (0.093 R)
• M25: 23,376,612 km (0.085 R)
• M26: 26,125,174 km (0.059 R)
• M27: 28,141,304 km (0.084 R)
• M28: 32,822,970 km (0.071 R)
• M29: 34,098,890 km (0.089 R)
• M30: 35,407,572 km (0.073 R)
• M31: 36,872,883 km (0.105 R)
• M32: 38,889,014 km (0.111 R)
• M33: 43,277,018 km (0.116 R)
• M34: 46,958,323 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.7

Radius: 4.7

Gravity: 40.23 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.28 AU - 10.4 AU

Year: 20249 Days

Day: 20.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 48,503,517 km

• M1: 58,493 km (0.107 R)
• M2: 308,172 km (0.101 R)
• M3: 877,840 km (0.088 R)
• M4: 1,364,931 km (0.11 R)
• M5: 1,596,957 km (0.111 R)
• M6: 2,118,904 km (0.09 R)
• M7: 2,293,635 km (0.117 R)
• M8: 2,824,109 km (0.066 R)
• M9: 3,403,202 km (0.07 R)
• M10: 3,612,789 km (0.116 R)
• M11: 3,767,772 km (0.111 R)
• M12: 5,490,541 km (0.107 R)
• M13: 7,526,568 km (0.091 R)
• M14: 8,629,254 km (0.063 R)
• M15: 8,850,958 km (0.052 R)
• M16: 9,019,704 km (0.102 R)
• M17: 10,077,511 km (0.069 R)
• M18: 14,821,409 km (0.088 R)
• M19: 16,204,591 km (0.091 R)
• M20: 16,457,411 km (0.061 R)
• M21: 18,482,967 km (0.113 R)
• M22: 20,276,944 km (0.1 R)
• M23: 21,977,722 km (0.06 R)
• M24: 23,021,317 km (0.03 R)
• M25: 27,288,746 km (0.083 R)
• M26: 31,790,744 km (0.055 R)
• M27: 36,330,591 km (0.079 R)
• M28: 37,639,871 km (0.116 R)
• M29: 37,934,878 km (0.079 R)
• M30: 44,495,044 km (0.079 R)
• M31: 45,489,870 km (0.095 R)
• M32: 45,992,818 km (0.046 R)
• M33: 46,499,506 km (0.067 R)
• M34: 57,820,624 km (0.1 R)
• M35: 61,421,295 km (0.026 R)
• M36: 63,068,518 km (0.109 R)
• M37: 63,276,608 km (0.096 R)
• M38: 67,532,219 km (0.055 R)
• M39: 69,952,264 km (0.094 R)
• M40: 70,622,163 km (0.047 R)
• M41: 71,071,106 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.6

Radius: 7.5

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.11 AU - 12.37 AU

Year: 21496 Days

Day: 17.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 100.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,503,517 km

• M1: 94,097 km (0.107 R)
• M2: 779,405 km (0.106 R)
• M3: 2,964,880 km (0.1 R)
• M4: 3,915,425 km (0.108 R)
• M5: 4,593,403 km (0.086 R)
• M6: 5,684,719 km (0.111 R)
• M7: 6,108,380 km (0.101 R)
• M8: 6,590,833 km (0.115 R)
• M9: 7,464,934 km (0.065 R)
• M10: 10,866,789 km (0.088 R)
• M11: 12,430,087 km (0.109 R)
• M12: 15,585,256 km (0.1 R)
• M13: 17,346,771 km (0.04 R)
• M14: 17,640,431 km (0.08 R)
• M15: 19,080,909 km (0.083 R)
• M16: 19,710,267 km (0.096 R)
• M17: 22,890,120 km (0.118 R)
• M18: 26,396,395 km (0.082 R)
• M19: 27,873,823 km (0.052 R)
• M20: 28,175,712 km (0.032 R)
• M21: 30,033,568 km (0.091 R)
• M22: 32,524,372 km (0.108 R)
• M23: 39,536,922 km (0.09 R)
• M24: 45,100,916 km (0.1 R)
• M25: 45,517,247 km (0.115 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 18,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit