🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.1

Radius: 10.1

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.46 AU - 0.72 AU

Year: 319 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,845,208 km

• M1: 125,662 km (0.034 R)
• M2: 454,478 km (0.087 R)
• M3: 831,016 km (0.119 R)
• M4: 1,151,006 km (0.064 R)
• M5: 1,734,737 km (0.113 R)
• M6: 2,387,432 km (0.035 R)
• M7: 2,726,720 km (0.088 R)
• M8: 3,843,169 km (0.051 R)
• M9: 4,178,119 km (0.074 R)
• M10: 4,981,759 km (0.097 R)
• M11: 5,318,354 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.7

Radius: 8

Gravity: 15.56 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.5 AU - 0.82 AU

Year: 377 Days

Day: 7 Hours

Environment

Temp: -158 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,845,208 km

• M1: 99,483 km (0.109 R)
• M2: 350,358 km (0.099 R)
• M3: 614,398 km (0.071 R)
• M4: 953,537 km (0.105 R)
• M5: 1,252,882 km (0.112 R)
• M6: 1,658,741 km (0.098 R)
• M7: 2,275,832 km (0.068 R)
• M8: 2,735,247 km (0.031 R)
• M9: 3,507,920 km (0.096 R)
• M10: 3,999,050 km (0.043 R)
• M11: 4,462,056 km (0.12 R)

Asteroid Belt

Center: 1.54 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.1

Radius: 11.3

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.32 AU - 2.52 AU

Year: 2646 Days

Day: 13.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,845,208 km

• M1: 140,472 km (0.042 R)
• M2: 639,980 km (0.104 R)
• M3: 1,493,136 km (0.091 R)
• M4: 1,845,290 km (0.045 R)
• M5: 3,144,098 km (0.083 R)
• M6: 5,168,906 km (0.107 R)
• M7: 5,819,656 km (0.096 R)
• M8: 6,779,177 km (0.081 R)
• M9: 8,263,487 km (0.085 R)
• M10: 9,682,273 km (0.091 R)
• M11: 10,864,695 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.9

Radius: 14.5

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.95 AU - 3.15 AU

Year: 2862 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,845,208 km

• M1: 185,651 km (0.055 R)
• M2: 811,868 km (0.088 R)
• M3: 1,274,873 km (0.075 R)
• M4: 2,540,172 km (0.053 R)
• M5: 2,999,886 km (0.07 R)
• M6: 5,233,233 km (0.114 R)
• M7: 6,427,473 km (0.106 R)
• M8: 7,049,052 km (0.091 R)
• M9: 7,541,528 km (0.079 R)
• M10: 8,027,571 km (0.046 R)
• M11: 9,416,737 km (0.098 R)
• M12: 10,888,780 km (0.116 R)
• M13: 14,722,226 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669

Radius: 13.3

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.05 AU - 3.25 AU

Year: 3032 Days

Day: 7.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,845,208 km

• M1: 165,455 km (0.103 R)
• M2: 734,825 km (0.116 R)
• M3: 1,261,858 km (0.101 R)
• M4: 1,732,194 km (0.082 R)
• M5: 2,362,749 km (0.032 R)
• M6: 2,876,019 km (0.108 R)
• M7: 4,299,742 km (0.071 R)
• M8: 4,766,039 km (0.095 R)
• M9: 5,340,494 km (0.079 R)
• M10: 6,344,745 km (0.108 R)
• M11: 7,071,641 km (0.082 R)
• M12: 7,502,483 km (0.109 R)
• M13: 9,151,201 km (0.039 R)
• M14: 10,312,080 km (0.113 R)
• M15: 11,443,040 km (0.034 R)
• M16: 11,866,402 km (0.113 R)
• M17: 12,744,691 km (0.111 R)
• M18: 13,903,028 km (0.093 R)
• M19: 17,800,052 km (0.114 R)
• M20: 21,147,005 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.9

Radius: 9.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.98 AU - 3.54 AU

Year: 4137 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 30,845,208 km

• M1: 120,875 km (0.076 R)
• M2: 637,736 km (0.103 R)
• M3: 1,011,282 km (0.11 R)
• M4: 1,838,408 km (0.117 R)
• M5: 2,429,469 km (0.088 R)
• M6: 2,986,572 km (0.12 R)
• M7: 3,574,492 km (0.086 R)
• M8: 3,933,377 km (0.103 R)
• M9: 5,338,101 km (0.105 R)
• M10: 6,054,076 km (0.068 R)
• M11: 7,705,936 km (0.025 R)
• M12: 9,202,363 km (0.086 R)
• M13: 11,220,439 km (0.112 R)
• M14: 12,152,433 km (0.101 R)
• M15: 15,870,988 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.4

Radius: 13

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 4.31 AU - 5.85 AU

Year: 8048 Days

Day: 12.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 30,845,208 km

• M1: 161,865 km (0.102 R)
• M2: 889,060 km (0.052 R)
• M3: 1,808,788 km (0.075 R)
• M4: 2,374,717 km (0.108 R)
• M5: 3,016,043 km (0.069 R)
• M6: 4,902,023 km (0.087 R)
• M7: 5,468,999 km (0.118 R)
• M8: 7,136,118 km (0.028 R)
• M9: 7,669,584 km (0.057 R)
• M10: 9,297,208 km (0.101 R)
• M11: 9,841,446 km (0.099 R)
• M12: 10,263,611 km (0.117 R)
• M13: 11,245,422 km (0.071 R)
• M14: 13,914,846 km (0.092 R)
• M15: 14,507,553 km (0.061 R)
• M16: 16,063,371 km (0.09 R)
• M17: 17,590,466 km (0.087 R)
• M18: 21,632,151 km (0.082 R)
• M19: 26,254,576 km (0.115 R)
• M20: 29,130,745 km (0.102 R)
• M21: 30,993,836 km (0.118 R)
• M22: 36,386,241 km (0.101 R)
• M23: 36,946,336 km (0.045 R)
• M24: 37,626,108 km (0.119 R)
• M25: 38,198,919 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.7

Radius: 7.6

Gravity: 12.86 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.3 AU - 7.16 AU

Year: 10931 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,845,208 km

• M1: 96,042 km (0.092 R)
• M2: 350,807 km (0.078 R)
• M3: 833,709 km (0.069 R)
• M4: 1,406,519 km (0.05 R)
• M5: 1,835,865 km (0.102 R)
• M6: 4,042,134 km (0.067 R)
• M7: 4,358,235 km (0.102 R)
• M8: 4,598,339 km (0.101 R)
• M9: 6,008,150 km (0.073 R)
• M10: 6,972,607 km (0.077 R)
• M11: 7,470,618 km (0.083 R)
• M12: 7,815,741 km (0.063 R)
• M13: 9,402,226 km (0.102 R)
• M14: 10,429,814 km (0.063 R)
• M15: 19,888,439 km (0.085 R)
• M16: 20,973,921 km (0.117 R)
• M17: 21,748,239 km (0.114 R)
• M18: 22,452,247 km (0.11 R)
• M19: 25,324,975 km (0.115 R)
• M20: 27,710,462 km (0.097 R)
• M21: 31,900,100 km (0.085 R)
• M22: 36,740,040 km (0.103 R)
• M23: 37,361,769 km (0.089 R)
• M24: 42,591,262 km (0.041 R)
• M25: 49,485,779 km (0.064 R)
• M26: 50,856,245 km (0.102 R)
• M27: 51,783,752 km (0.08 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724

Radius: 3.9

Gravity: 47.6 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.49 AU - 7.11 AU

Year: 11115 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 30,845,208 km

• M1: 48,470 km (0.102 R)
• M2: 201,508 km (0.088 R)
• M3: 396,285 km (0.095 R)
• M4: 636,838 km (0.086 R)
• M5: 1,022,651 km (0.072 R)
• M6: 1,779,766 km (0.079 R)
• M7: 1,912,459 km (0.106 R)
• M8: 2,216,592 km (0.116 R)
• M9: 2,531,495 km (0.068 R)
• M10: 4,181,111 km (0.049 R)
• M11: 5,658,240 km (0.079 R)
• M12: 6,358,657 km (0.05 R)
• M13: 6,829,741 km (0.082 R)
• M14: 9,589,822 km (0.044 R)
• M15: 9,999,421 km (0.042 R)
• M16: 11,298,230 km (0.101 R)
• M17: 12,343,171 km (0.03 R)
• M18: 13,199,170 km (0.062 R)
• M19: 13,450,793 km (0.079 R)
• M20: 15,932,772 km (0.095 R)
• M21: 17,468,992 km (0.065 R)
• M22: 17,696,231 km (0.114 R)
• M23: 18,624,785 km (0.088 R)
• M24: 19,181,289 km (0.12 R)
• M25: 19,830,694 km (0.111 R)
• M26: 21,692,140 km (0.097 R)
• M27: 24,697,412 km (0.025 R)
• M28: 25,660,224 km (0.075 R)
• M29: 29,226,786 km (0.077 R)
• M30: 29,439,963 km (0.116 R)
• M31: 34,161,272 km (0.059 R)
• M32: 36,207,472 km (0.048 R)
• M33: 39,622,941 km (0.111 R)
• M34: 41,610,199 km (0.03 R)
• M35: 44,784,666 km (0.112 R)
• M36: 46,358,435 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.9

Radius: 5.3

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.55 AU - 10.57 AU

Year: 17604 Days

Day: 22.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,845,208 km

• M1: 116,537 km (0.091 R)
• M2: 2,652,221 km (0.103 R)
• M3: 3,577,334 km (0.114 R)
• M4: 4,077,140 km (0.03 R)
• M5: 6,915,760 km (0.067 R)
• M6: 8,363,568 km (0.075 R)
• M7: 12,437,567 km (0.117 R)
• M8: 16,544,777 km (0.072 R)
• M9: 18,835,120 km (0.072 R)
• M10: 25,794,263 km (0.119 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 452 - 16,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit