🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.8

Radius: 9.4

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.93 AU - 1.17 AU

Year: 706 Days

Day: 9.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,054,156 km

• M1: 116,986 km (0.078 R)
• M2: 474,824 km (0.112 R)
• M3: 782,397 km (0.087 R)
• M4: 1,215,931 km (0.082 R)
• M5: 1,587,682 km (0.069 R)
• M6: 1,922,632 km (0.1 R)
• M7: 2,253,094 km (0.08 R)
• M8: 3,081,118 km (0.118 R)
• M9: 3,495,055 km (0.115 R)
• M10: 3,961,052 km (0.071 R)
• M11: 5,235,327 km (0.105 R)
• M12: 7,052,792 km (0.096 R)
• M13: 7,822,772 km (0.028 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.2

Radius: 12.6

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.45 AU - 1.87 AU

Year: 1403 Days

Day: 14 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,054,156 km

• M1: 156,779 km (0.11 R)
• M2: 553,811 km (0.045 R)
• M3: 966,402 km (0.076 R)
• M4: 2,230,355 km (0.108 R)
• M5: 2,755,742 km (0.046 R)
• M6: 3,579,727 km (0.071 R)
• M7: 4,058,590 km (0.069 R)
• M8: 5,085,580 km (0.102 R)
• M9: 6,003,662 km (0.101 R)
• M10: 7,650,286 km (0.058 R)
• M11: 8,564,029 km (0.106 R)
• M12: 9,705,012 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.3

Radius: 9.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.84 AU - 2.02 AU

Year: 1759 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,054,156 km

• M1: 119,678 km (0.111 R)
• M2: 550,969 km (0.07 R)
• M3: 1,858,454 km (0.045 R)
• M4: 2,230,504 km (0.069 R)
• M5: 4,232,573 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.8

Radius: 10.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.78 AU - 4.18 AU

Year: 4259 Days

Day: 9 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,054,156 km

• M1: 988,543 km (0.077 R)
• M2: 1,701,377 km (0.08 R)
• M3: 2,671,818 km (0.117 R)
• M4: 3,849,602 km (0.119 R)
• M5: 4,336,693 km (0.034 R)
• M6: 5,144,222 km (0.116 R)
• M7: 6,682,836 km (0.079 R)
• M8: 7,788,364 km (0.112 R)
• M9: 8,631,947 km (0.114 R)
• M10: 9,770,686 km (0.106 R)
• M11: 10,358,755 km (0.076 R)
• M12: 11,605,504 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.8

Radius: 9

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.76 AU - 5.74 AU

Year: 6791 Days

Day: 9.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 74.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,054,156 km

• M1: 117,135 km (0.069 R)
• M2: 568,771 km (0.039 R)
• M3: 915,689 km (0.109 R)
• M4: 1,343,838 km (0.059 R)
• M5: 1,871,769 km (0.101 R)
• M6: 2,385,188 km (0.073 R)
• M7: 2,989,863 km (0.111 R)
• M8: 3,668,888 km (0.107 R)
• M9: 4,364,667 km (0.064 R)
• M10: 4,758,708 km (0.076 R)
• M11: 5,269,136 km (0.065 R)
• M12: 7,484,381 km (0.101 R)
• M13: 8,557,597 km (0.108 R)
• M14: 9,358,693 km (0.117 R)
• M15: 9,683,321 km (0.098 R)
• M16: 11,368,840 km (0.111 R)
• M17: 12,281,237 km (0.08 R)
• M18: 12,783,437 km (0.069 R)
• M19: 13,416,087 km (0.073 R)
• M20: 14,931,064 km (0.098 R)
• M21: 15,762,380 km (0.06 R)
• M22: 16,759,749 km (0.12 R)
• M23: 18,225,808 km (0.108 R)
• M24: 18,953,153 km (0.083 R)
• M25: 20,003,778 km (0.104 R)
• M26: 22,550,533 km (0.083 R)
• M27: 23,729,663 km (0.105 R)
• M28: 29,548,871 km (0.039 R)
• M29: 33,807,473 km (0.12 R)
• M30: 34,134,195 km (0.108 R)
• M31: 39,533,182 km (0.048 R)
• M32: 41,245,180 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.2

Radius: 11.4

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.8 AU - 6.42 AU

Year: 8717 Days

Day: 11.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,054,156 km

• M1: 141,819 km (0.065 R)
• M2: 687,552 km (0.092 R)
• M3: 1,056,909 km (0.102 R)
• M4: 1,443,320 km (0.107 R)
• M5: 1,954,496 km (0.08 R)
• M6: 2,711,312 km (0.095 R)
• M7: 3,077,079 km (0.03 R)
• M8: 5,110,413 km (0.058 R)
• M9: 6,017,126 km (0.054 R)
• M10: 6,992,653 km (0.117 R)
• M11: 7,462,989 km (0.116 R)
• M12: 7,992,865 km (0.093 R)
• M13: 8,917,978 km (0.106 R)
• M14: 9,515,173 km (0.118 R)
• M15: 10,093,518 km (0.042 R)
• M16: 10,789,746 km (0.059 R)
• M17: 14,937,647 km (0.09 R)
• M18: 15,295,036 km (0.078 R)
• M19: 16,782,488 km (0.115 R)
• M20: 18,432,253 km (0.075 R)
• M21: 22,750,096 km (0.071 R)
• M22: 24,191,023 km (0.114 R)
• M23: 26,639,192 km (0.104 R)
• M24: 31,532,538 km (0.097 R)
• M25: 32,220,689 km (0.118 R)
• M26: 32,618,320 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.6

Radius: 6.1

Gravity: 20.06 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 5.12 AU - 8.06 AU

Year: 11098 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,054,156 km

• M1: 75,846 km (0.087 R)
• M2: 335,249 km (0.098 R)
• M3: 718,219 km (0.112 R)
• M4: 951,293 km (0.084 R)
• M5: 2,060,860 km (0.033 R)
• M6: 2,559,919 km (0.094 R)
• M7: 8,576,147 km (0.031 R)
• M8: 9,498,268 km (0.081 R)
• M9: 10,218,731 km (0.096 R)
• M10: 10,538,422 km (0.078 R)
• M11: 11,537,736 km (0.047 R)
• M12: 13,215,625 km (0.114 R)
• M13: 14,310,084 km (0.077 R)
• M14: 15,324,806 km (0.085 R)
• M15: 15,956,109 km (0.116 R)
• M16: 19,456,699 km (0.119 R)
• M17: 20,531,709 km (0.101 R)
• M18: 23,807,155 km (0.025 R)
• M19: 27,210,955 km (0.081 R)
• M20: 36,303,514 km (0.093 R)
• M21: 36,798,683 km (0.078 R)
• M22: 42,958,225 km (0.092 R)
• M23: 43,373,210 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378.2

Radius: 6.3

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.46 AU - 7.48 AU

Year: 12071 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 70,054,156 km

• M1: 78,389 km (0.08 R)
• M2: 418,575 km (0.081 R)
• M3: 693,536 km (0.042 R)
• M4: 1,564,195 km (0.108 R)
• M5: 1,781,561 km (0.095 R)
• M6: 2,242,322 km (0.066 R)
• M7: 2,926,583 km (0.109 R)
• M8: 3,716,310 km (0.048 R)
• M9: 4,160,766 km (0.035 R)
• M10: 4,698,720 km (0.082 R)
• M11: 5,708,206 km (0.113 R)
• M12: 6,299,716 km (0.092 R)
• M13: 6,591,881 km (0.105 R)
• M14: 7,604,359 km (0.108 R)
• M15: 7,977,755 km (0.09 R)
• M16: 9,079,544 km (0.06 R)
• M17: 14,071,325 km (0.101 R)
• M18: 14,571,132 km (0.114 R)
• M19: 15,539,778 km (0.091 R)
• M20: 16,413,579 km (0.098 R)
• M21: 17,248,784 km (0.061 R)
• M22: 17,820,996 km (0.065 R)
• M23: 18,405,924 km (0.085 R)
• M24: 19,154,960 km (0.113 R)
• M25: 24,347,353 km (0.115 R)
• M26: 29,687,697 km (0.065 R)
• M27: 39,574,621 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.4

Radius: 5.1

Gravity: 25.35 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 7.43 AU - 10.77 AU

Year: 18008 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 70,054,156 km

• M1: 63,429 km (0.07 R)
• M2: 239,506 km (0.107 R)
• M3: 623,374 km (0.065 R)
• M4: 892,950 km (0.112 R)
• M5: 1,395,599 km (0.117 R)
• M6: 2,863,154 km (0.106 R)
• M7: 3,168,333 km (0.099 R)
• M8: 4,576,498 km (0.084 R)
• M9: 9,904,725 km (0.119 R)
• M10: 12,821,585 km (0.102 R)
• M11: 13,508,688 km (0.072 R)
• M12: 14,075,664 km (0.111 R)
• M13: 14,292,431 km (0.082 R)
• M14: 16,663,557 km (0.098 R)
• M15: 18,844,395 km (0.06 R)
• M16: 21,780,702 km (0.116 R)
• M17: 22,070,772 km (0.095 R)
• M18: 22,559,808 km (0.032 R)
• M19: 23,056,024 km (0.071 R)
• M20: 25,219,807 km (0.063 R)
• M21: 32,016,487 km (0.051 R)
• M22: 34,310,122 km (0.103 R)
• M23: 35,363,889 km (0.102 R)
• M24: 41,399,266 km (0.09 R)
• M25: 42,894,945 km (0.115 R)
• M26: 45,205,485 km (0.029 R)
• M27: 50,578,142 km (0.079 R)
• M28: 53,154,966 km (0.096 R)
• M29: 56,724,969 km (0.095 R)
• M30: 57,641,855 km (0.067 R)
• M31: 58,382,364 km (0.083 R)
• M32: 59,505,096 km (0.083 R)
• M33: 62,569,160 km (0.109 R)
• M34: 63,744,700 km (0.102 R)
• M35: 67,359,882 km (0.098 R)
• M36: 69,844,403 km (0.119 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: 496 - 14,059 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit