🌌 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: 566.1

Radius: 12.5

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.51 AU - 0.71 AU

Year: 323 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,873,120 km

• M1: 155,432 km (0.077 R)
• M2: 785,987 km (0.071 R)
• M3: 1,365,978 km (0.099 R)
• M4: 2,312,334 km (0.029 R)
• M5: 2,749,459 km (0.093 R)
• M6: 3,455,262 km (0.115 R)
• M7: 4,203,401 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.6

Radius: 13

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.09 AU - 1.35 AU

Year: 914 Days

Day: 14.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,873,120 km

• M1: 161,715 km (0.044 R)
• M2: 692,339 km (0.101 R)
• M3: 1,115,252 km (0.082 R)
• M4: 1,593,217 km (0.068 R)
• M5: 2,929,126 km (0.115 R)
• M6: 3,861,869 km (0.026 R)
• M7: 4,473,874 km (0.103 R)
• M8: 4,911,148 km (0.098 R)
• M9: 5,571,773 km (0.073 R)
• M10: 6,661,892 km (0.047 R)
• M11: 7,305,313 km (0.118 R)
• M12: 8,478,609 km (0.114 R)
• M13: 8,905,412 km (0.042 R)
• M14: 9,487,497 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.5

Radius: 12

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.01 AU - 1.51 AU

Year: 959 Days

Day: 14.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,873,120 km

• M1: 149,299 km (0.055 R)
• M2: 721,211 km (0.069 R)
• M3: 1,151,006 km (0.11 R)
• M4: 1,649,167 km (0.094 R)
• M5: 2,310,090 km (0.105 R)
• M6: 2,848,194 km (0.115 R)
• M7: 3,230,865 km (0.108 R)
• M8: 3,790,361 km (0.069 R)
• M9: 4,239,903 km (0.041 R)
• M10: 5,265,396 km (0.075 R)
• M11: 5,769,242 km (0.034 R)
• M12: 6,387,231 km (0.077 R)
• M13: 7,779,538 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.5

Radius: 14.4

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.6 AU - 5.74 AU

Year: 7973 Days

Day: 5.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,873,120 km

• M1: 179,069 km (0.094 R)
• M2: 840,441 km (0.07 R)
• M3: 1,502,112 km (0.062 R)
• M4: 2,153,910 km (0.116 R)
• M5: 2,728,815 km (0.068 R)
• M6: 3,639,267 km (0.082 R)
• M7: 5,038,007 km (0.09 R)
• M8: 5,598,102 km (0.058 R)
• M9: 9,786,842 km (0.113 R)
• M10: 10,813,682 km (0.107 R)
• M11: 11,643,352 km (0.08 R)
• M12: 12,238,003 km (0.093 R)
• M13: 17,123,720 km (0.063 R)
• M14: 18,107,925 km (0.117 R)
• M15: 19,203,729 km (0.11 R)
• M16: 19,730,164 km (0.039 R)
• M17: 20,188,831 km (0.057 R)
• M18: 21,287,179 km (0.061 R)
• M19: 22,095,905 km (0.08 R)
• M20: 28,926,394 km (0.084 R)
• M21: 30,220,864 km (0.078 R)
• M22: 33,139,668 km (0.071 R)
• M23: 35,112,415 km (0.116 R)
• M24: 35,561,209 km (0.106 R)
• M25: 36,815,138 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 25.3

Radius: 5.6

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.22 AU - 6.8 AU

Year: 9993 Days

Day: 18.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,873,120 km

• M1: 630,256 km (0.097 R)
• M2: 1,280,558 km (0.097 R)
• M3: 4,079,833 km (0.093 R)
• M4: 5,803,500 km (0.064 R)
• M5: 6,933,712 km (0.074 R)
• M6: 8,418,620 km (0.117 R)
• M7: 15,577,327 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 237.3

Radius: 4.5

Gravity: 11.72 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.86 AU - 7.02 AU

Year: 12400 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 80,873,120 km

• M1: 55,950 km (0.067 R)
• M2: 223,948 km (0.104 R)
• M3: 486,193 km (0.094 R)
• M4: 669,450 km (0.086 R)
• M5: 819,647 km (0.069 R)
• M6: 1,400,236 km (0.047 R)
• M7: 1,608,028 km (0.112 R)
• M8: 1,911,861 km (0.07 R)
• M9: 2,085,694 km (0.071 R)
• M10: 2,375,315 km (0.103 R)
• M11: 2,614,372 km (0.079 R)
• M12: 2,910,127 km (0.078 R)
• M13: 4,876,891 km (0.102 R)
• M14: 5,172,646 km (0.076 R)
• M15: 5,386,571 km (0.106 R)
• M16: 6,906,335 km (0.083 R)
• M17: 8,690,739 km (0.096 R)
• M18: 9,347,922 km (0.06 R)
• M19: 9,757,820 km (0.087 R)
• M20: 10,132,114 km (0.09 R)
• M21: 11,517,690 km (0.12 R)
• M22: 11,725,481 km (0.042 R)
• M23: 12,309,810 km (0.12 R)
• M24: 13,137,535 km (0.055 R)
• M25: 13,307,329 km (0.119 R)
• M26: 14,238,277 km (0.077 R)
• M27: 15,842,415 km (0.066 R)
• M28: 16,621,819 km (0.053 R)
• M29: 20,828,960 km (0.1 R)
• M30: 21,763,498 km (0.101 R)
• M31: 25,517,806 km (0.102 R)
• M32: 30,664,721 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 207.1

Radius: 5.2

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.81 AU - 8.99 AU

Year: 18008 Days

Day: 24.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 80,873,120 km

• M1: 64,776 km (0.112 R)
• M2: 1,177,186 km (0.111 R)
• M3: 1,579,454 km (0.1 R)
• M4: 1,983,668 km (0.117 R)
• M5: 2,653,567 km (0.109 R)
• M6: 3,663,951 km (0.047 R)
• M7: 3,872,042 km (0.056 R)
• M8: 4,815,256 km (0.038 R)
• M9: 5,523,453 km (0.091 R)
• M10: 10,233,990 km (0.116 R)
• M11: 11,234,501 km (0.069 R)
• M12: 11,453,213 km (0.038 R)
• M13: 14,624,987 km (0.096 R)
• M14: 16,516,054 km (0.051 R)
• M15: 17,962,516 km (0.064 R)
• M16: 18,564,198 km (0.109 R)
• M17: 27,157,549 km (0.073 R)
• M18: 33,251,119 km (0.077 R)
• M19: 33,702,156 km (0.032 R)
• M20: 35,429,862 km (0.101 R)
• M21: 36,018,530 km (0.078 R)
• M22: 36,494,251 km (0.098 R)
• M23: 44,822,514 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.8

Radius: 5.3

Gravity: 29.79 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.02 AU - 9.96 AU

Year: 19829 Days

Day: 18.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 80,873,120 km

• M1: 67,917 km (0.106 R)
• M2: 273,764 km (0.041 R)
• M3: 455,974 km (0.098 R)
• M4: 1,225,356 km (0.035 R)
• M5: 4,395,784 km (0.081 R)
• M6: 4,822,587 km (0.067 R)
• M7: 5,433,993 km (0.067 R)
• M8: 6,010,094 km (0.117 R)
• M9: 6,401,442 km (0.051 R)
• M10: 7,829,205 km (0.107 R)
• M11: 9,866,877 km (0.069 R)
• M12: 11,559,727 km (0.037 R)
• M13: 11,758,991 km (0.096 R)
• M14: 13,731,439 km (0.104 R)
• M15: 14,333,122 km (0.057 R)
• M16: 15,428,178 km (0.087 R)
• M17: 17,607,669 km (0.115 R)
• M18: 19,984,181 km (0.099 R)
• M19: 20,367,900 km (0.047 R)
• M20: 21,850,415 km (0.071 R)
• M21: 23,509,455 km (0.117 R)
• M22: 25,139,473 km (0.092 R)
• M23: 28,987,729 km (0.029 R)
• M24: 30,226,998 km (0.12 R)
• M25: 31,630,675 km (0.067 R)
• M26: 33,748,980 km (0.095 R)
• M27: 37,680,412 km (0.066 R)
• M28: 41,594,491 km (0.032 R)
• M29: 42,219,810 km (0.11 R)
• M30: 44,133,167 km (0.046 R)
• M31: 45,111,238 km (0.045 R)
• M32: 49,342,165 km (0.11 R)
• M33: 49,691,626 km (0.11 R)
• M34: 49,866,954 km (0.085 R)
• M35: 60,559,312 km (0.112 R)
• M36: 62,580,080 km (0.103 R)
• M37: 64,021,007 km (0.063 R)
• M38: 64,228,649 km (0.09 R)
• M39: 65,063,704 km (0.067 R)
• M40: 68,911,362 km (0.046 R)
• M41: 73,134,360 km (0.118 R)
• M42: 75,888,457 km (0.096 R)
• M43: 76,587,677 km (0.064 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 484 - 14,965 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit