🌌 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 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.1

Radius: 10

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.42 AU - 0.6 AU

Year: 256 Days

Day: 12.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,051,282 km

• M1: 124,615 km (0.09 R)
• M2: 465,399 km (0.116 R)
• M3: 806,183 km (0.093 R)
• M4: 1,132,456 km (0.046 R)
• M5: 1,477,728 km (0.11 R)
• M6: 2,044,853 km (0.066 R)
• M7: 2,652,969 km (0.066 R)
• M8: 3,526,471 km (0.088 R)
• M9: 4,071,755 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 9.1

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.46 AU - 0.72 AU

Year: 319 Days

Day: 7.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,051,282 km

• M1: 113,096 km (0.1 R)
• M2: 414,087 km (0.115 R)
• M3: 741,257 km (0.086 R)
• M4: 1,381,985 km (0.119 R)
• M5: 1,909,467 km (0.08 R)
• M6: 2,270,447 km (0.118 R)
• M7: 2,907,584 km (0.074 R)
• M8: 3,268,414 km (0.083 R)
• M9: 3,578,680 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.6

Radius: 9.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.54 AU - 0.88 AU

Year: 421 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,051,282 km

• M1: 121,922 km (0.119 R)
• M2: 462,407 km (0.07 R)
• M3: 836,701 km (0.075 R)
• M4: 1,284,298 km (0.061 R)
• M5: 1,627,475 km (0.092 R)
• M6: 2,077,316 km (0.12 R)
• M7: 2,743,775 km (0.096 R)
• M8: 3,612,639 km (0.029 R)
• M9: 4,003,239 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.3

Radius: 11.7

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.96 AU - 1.44 AU

Year: 924 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,051,282 km

• M1: 145,708 km (0.047 R)
• M2: 512,223 km (0.035 R)
• M3: 920,924 km (0.1 R)
• M4: 1,398,291 km (0.084 R)
• M5: 2,869,586 km (0.08 R)
• M6: 3,802,329 km (0.112 R)
• M7: 4,653,391 km (0.116 R)
• M8: 5,308,032 km (0.082 R)
• M9: 6,370,925 km (0.082 R)
• M10: 7,178,903 km (0.06 R)
• M11: 7,695,763 km (0.116 R)
• M12: 9,747,498 km (0.067 R)
• M13: 10,137,051 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.4

Radius: 12.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.54 AU - 2.22 AU

Year: 1812 Days

Day: 9.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,051,282 km

• M1: 153,039 km (0.118 R)
• M2: 582,385 km (0.113 R)
• M3: 1,295,368 km (0.103 R)
• M4: 1,820,756 km (0.075 R)
• M5: 2,742,727 km (0.102 R)
• M6: 4,211,928 km (0.08 R)
• M7: 5,184,015 km (0.077 R)
• M8: 6,055,123 km (0.111 R)
• M9: 6,705,725 km (0.043 R)
• M10: 7,797,340 km (0.092 R)
• M11: 8,877,886 km (0.118 R)
• M12: 10,055,670 km (0.106 R)
• M13: 11,114,523 km (0.091 R)
• M14: 13,329,320 km (0.036 R)
• M15: 15,139,454 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.1

Radius: 9.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.26 AU - 4.16 AU

Year: 5023 Days

Day: 8.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,051,282 km

• M1: 113,246 km (0.09 R)
• M2: 1,165,816 km (0.119 R)
• M3: 1,883,736 km (0.098 R)
• M4: 2,304,406 km (0.108 R)
• M5: 4,280,294 km (0.085 R)
• M6: 6,246,459 km (0.038 R)
• M7: 9,612,112 km (0.075 R)
• M8: 11,856,828 km (0.069 R)
• M9: 12,262,238 km (0.105 R)
• M10: 15,153,367 km (0.109 R)
• M11: 16,897,678 km (0.105 R)
• M12: 17,876,796 km (0.115 R)
• M13: 21,041,389 km (0.105 R)
• M14: 22,242,062 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.5

Radius: 13.1

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.16 AU - 6.48 AU

Year: 8625 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,051,282 km

• M1: 162,912 km (0.12 R)
• M2: 789,428 km (0.118 R)
• M3: 1,225,207 km (0.075 R)
• M4: 1,797,119 km (0.116 R)
• M5: 2,621,703 km (0.047 R)
• M6: 3,442,696 km (0.113 R)
• M7: 3,888,198 km (0.119 R)
• M8: 5,398,090 km (0.086 R)
• M9: 7,469,272 km (0.086 R)
• M10: 8,841,234 km (0.059 R)
• M11: 9,255,919 km (0.088 R)
• M12: 10,025,301 km (0.026 R)
• M13: 12,940,216 km (0.102 R)
• M14: 13,355,500 km (0.102 R)
• M15: 15,369,087 km (0.041 R)
• M16: 17,505,494 km (0.114 R)
• M17: 18,457,984 km (0.062 R)
• M18: 21,194,129 km (0.057 R)
• M19: 22,360,693 km (0.098 R)
• M20: 23,046,300 km (0.112 R)
• M21: 24,730,772 km (0.077 R)
• M22: 25,464,101 km (0.097 R)
• M23: 31,115,609 km (0.032 R)
• M24: 31,970,411 km (0.111 R)
• M25: 33,838,889 km (0.09 R)
• M26: 39,011,385 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.6

Radius: 3.9

Gravity: 43.17 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 4.8 AU - 6.54 AU

Year: 9490 Days

Day: 16.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,051,282 km

• M1: 48,470 km (0.064 R)
• M2: 260,899 km (0.092 R)
• M3: 1,291,927 km (0.044 R)
• M4: 2,211,356 km (0.072 R)
• M5: 2,589,988 km (0.108 R)
• M6: 4,603,126 km (0.098 R)
• M7: 5,027,984 km (0.053 R)
• M8: 5,578,355 km (0.111 R)
• M9: 7,969,827 km (0.05 R)
• M10: 9,555,863 km (0.059 R)
• M11: 13,156,235 km (0.11 R)
• M12: 13,946,112 km (0.097 R)
• M13: 15,288,154 km (0.094 R)
• M14: 21,601,633 km (0.102 R)
• M15: 22,103,385 km (0.053 R)
• M16: 22,527,644 km (0.106 R)
• M17: 24,912,085 km (0.088 R)
• M18: 25,836,300 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.2

Radius: 3

Gravity: 13.02 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.68 AU - 8.04 AU

Year: 12630 Days

Day: 19.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,051,282 km

• M1: 37,848 km (0.112 R)
• M2: 206,595 km (0.12 R)
• M3: 316,699 km (0.11 R)
• M4: 918,381 km (0.115 R)
• M5: 1,215,333 km (0.088 R)
• M6: 1,450,202 km (0.117 R)
• M7: 1,741,319 km (0.068 R)
• M8: 2,024,807 km (0.06 R)
• M9: 2,611,081 km (0.115 R)
• M10: 3,139,611 km (0.114 R)
• M11: 4,792,667 km (0.115 R)
• M12: 5,403,774 km (0.116 R)
• M13: 7,474,209 km (0.07 R)
• M14: 8,026,375 km (0.034 R)
• M15: 10,150,515 km (0.105 R)
• M16: 12,167,692 km (0.111 R)
• M17: 14,492,593 km (0.102 R)
• M18: 16,116,627 km (0.099 R)
• M19: 16,418,815 km (0.114 R)
• M20: 20,841,227 km (0.06 R)
• M21: 21,489,734 km (0.078 R)
• M22: 23,055,276 km (0.038 R)
• M23: 24,456,260 km (0.111 R)
• M24: 26,578,455 km (0.12 R)
• M25: 30,720,372 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.9

Radius: 5.5

Gravity: 21.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.1 AU - 7.66 AU

Year: 14093 Days

Day: 17.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 111.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,051,282 km

• M1: 68,965 km (0.107 R)
• M2: 248,183 km (0.087 R)
• M3: 662,868 km (0.059 R)
• M4: 873,652 km (0.112 R)
• M5: 1,281,755 km (0.119 R)
• M6: 1,692,999 km (0.042 R)
• M7: 2,056,073 km (0.095 R)
• M8: 2,366,339 km (0.09 R)
• M9: 2,936,606 km (0.043 R)
• M10: 3,228,920 km (0.109 R)
• M11: 4,923,416 km (0.084 R)
• M12: 5,196,282 km (0.094 R)
• M13: 5,960,578 km (0.07 R)
• M14: 6,270,694 km (0.097 R)
• M15: 6,550,741 km (0.051 R)
• M16: 6,923,090 km (0.109 R)
• M17: 7,574,739 km (0.083 R)
• M18: 8,849,612 km (0.105 R)
• M19: 9,563,941 km (0.099 R)
• M20: 14,330,728 km (0.088 R)
• M21: 15,385,842 km (0.119 R)
• M22: 16,491,819 km (0.053 R)
• M23: 16,795,503 km (0.092 R)
• M24: 18,208,454 km (0.072 R)
• M25: 19,276,733 km (0.099 R)
• M26: 22,919,591 km (0.071 R)
• M27: 27,737,091 km (0.032 R)
• M28: 29,593,301 km (0.079 R)
• M29: 30,837,357 km (0.076 R)
• M30: 36,547,508 km (0.052 R)
• M31: 37,323,622 km (0.09 R)
• M32: 42,354,299 km (0.086 R)
• M33: 43,066,983 km (0.112 R)
• M34: 45,549,859 km (0.118 R)
• M35: 48,281,067 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 11,645 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit