🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.2

Radius: 9.3

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.54 AU - 0.72 AU

Year: 333 Days

Day: 5.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,125,143 km

• M1: 115,639 km (0.039 R)
• M2: 411,843 km (0.1 R)
• M3: 811,568 km (0.084 R)
• M4: 1,261,260 km (0.101 R)
• M5: 1,565,243 km (0.111 R)
• M6: 1,871,918 km (0.092 R)
• M7: 2,333,577 km (0.091 R)
• M8: 2,634,119 km (0.116 R)
• M9: 3,016,192 km (0.106 R)
• M10: 3,506,873 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.4

Radius: 8.9

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.66 AU - 2.4 AU

Year: 1929 Days

Day: 11.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,125,143 km

• M1: 110,702 km (0.076 R)
• M2: 395,836 km (0.092 R)
• M3: 1,039,855 km (0.108 R)
• M4: 1,683,574 km (0.092 R)
• M5: 2,403,290 km (0.09 R)
• M6: 2,688,723 km (0.105 R)
• M7: 3,035,191 km (0.102 R)
• M8: 3,729,026 km (0.117 R)
• M9: 4,274,759 km (0.074 R)
• M10: 5,924,076 km (0.075 R)
• M11: 6,320,360 km (0.11 R)
• M12: 6,846,047 km (0.044 R)
• M13: 7,592,092 km (0.087 R)
• M14: 8,035,051 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 11.1

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.88 AU - 2.98 AU

Year: 2526 Days

Day: 14 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,125,143 km

• M1: 173,234 km (0.052 R)
• M2: 538,852 km (0.109 R)
• M3: 1,111,363 km (0.06 R)
• M4: 1,946,268 km (0.119 R)
• M5: 2,515,039 km (0.069 R)
• M6: 2,917,009 km (0.09 R)
• M7: 3,449,278 km (0.119 R)
• M8: 4,665,658 km (0.084 R)
• M9: 5,468,401 km (0.082 R)
• M10: 6,201,131 km (0.043 R)
• M11: 7,259,087 km (0.095 R)
• M12: 7,617,075 km (0.076 R)
• M13: 8,465,893 km (0.095 R)
• M14: 8,896,585 km (0.109 R)
• M15: 9,341,789 km (0.096 R)
• M16: 10,019,317 km (0.119 R)
• M17: 10,883,095 km (0.055 R)
• M18: 11,918,313 km (0.113 R)
• M19: 13,414,142 km (0.06 R)
• M20: 14,230,497 km (0.102 R)
• M21: 17,722,561 km (0.1 R)
• M22: 18,100,594 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.5

Radius: 9.5

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3.38 AU - 4.62 AU

Year: 5335 Days

Day: 13.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,125,143 km

• M1: 118,631 km (0.112 R)
• M2: 619,335 km (0.079 R)
• M3: 1,540,409 km (0.089 R)
• M4: 2,470,160 km (0.08 R)
• M5: 2,834,730 km (0.083 R)
• M6: 3,273,501 km (0.099 R)
• M7: 3,778,244 km (0.112 R)
• M8: 4,310,962 km (0.098 R)
• M9: 4,644,415 km (0.107 R)
• M10: 5,721,371 km (0.062 R)
• M11: 7,350,043 km (0.072 R)
• M12: 8,582,280 km (0.115 R)
• M13: 9,583,090 km (0.078 R)
• M14: 11,541,625 km (0.114 R)
• M15: 12,000,442 km (0.1 R)
• M16: 12,711,181 km (0.099 R)
• M17: 13,500,161 km (0.115 R)
• M18: 18,063,793 km (0.073 R)
• M19: 19,508,011 km (0.117 R)
• M20: 19,831,891 km (0.095 R)
• M21: 20,960,008 km (0.09 R)
• M22: 24,979,104 km (0.062 R)
• M23: 25,438,071 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.4

Radius: 5.9

Gravity: 21.33 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.32 AU - 8.4 AU

Year: 13315 Days

Day: 19.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,125,143 km

• M1: 76,445 km (0.103 R)
• M2: 681,568 km (0.111 R)
• M3: 1,003,353 km (0.081 R)
• M4: 1,570,478 km (0.06 R)
• M5: 1,933,702 km (0.088 R)
• M6: 2,331,034 km (0.098 R)
• M7: 3,137,217 km (0.09 R)
• M8: 4,674,634 km (0.1 R)
• M9: 5,074,509 km (0.084 R)
• M10: 6,213,248 km (0.097 R)
• M11: 6,573,630 km (0.077 R)
• M12: 7,032,745 km (0.053 R)
• M13: 8,636,584 km (0.093 R)
• M14: 11,095,674 km (0.105 R)
• M15: 12,993,622 km (0.098 R)
• M16: 14,604,043 km (0.094 R)
• M17: 20,487,877 km (0.074 R)
• M18: 20,751,469 km (0.053 R)
• M19: 22,473,789 km (0.096 R)
• M20: 23,417,602 km (0.11 R)
• M21: 23,705,727 km (0.102 R)
• M22: 24,093,635 km (0.074 R)
• M23: 24,683,499 km (0.052 R)
• M24: 25,282,938 km (0.097 R)
• M25: 26,407,016 km (0.069 R)
• M26: 27,139,447 km (0.083 R)
• M27: 28,754,356 km (0.098 R)
• M28: 29,417,823 km (0.112 R)
• M29: 29,641,322 km (0.115 R)
• M30: 33,130,094 km (0.075 R)
• M31: 35,098,353 km (0.112 R)
• M32: 39,536,772 km (0.118 R)
• M33: 40,082,356 km (0.118 R)
• M34: 41,328,207 km (0.085 R)
• M35: 51,263,600 km (0.079 R)
• M36: 53,225,875 km (0.102 R)
• M37: 59,056,901 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928

Radius: 6.8

Gravity: 20.07 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 7.08 AU - 8.78 AU

Year: 14892 Days

Day: 23.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 70,125,143 km

• M1: 84,523 km (0.116 R)
• M2: 322,383 km (0.092 R)
• M3: 697,276 km (0.064 R)
• M4: 1,270,834 km (0.037 R)
• M5: 1,858,006 km (0.105 R)
• M6: 2,434,107 km (0.088 R)
• M7: 3,307,459 km (0.115 R)
• M8: 6,009,197 km (0.092 R)
• M9: 6,591,581 km (0.117 R)
• M10: 10,137,799 km (0.116 R)
• M11: 12,676,624 km (0.115 R)
• M12: 21,235,418 km (0.111 R)
• M13: 24,393,279 km (0.031 R)
• M14: 26,083,735 km (0.085 R)
• M15: 26,300,353 km (0.077 R)
• M16: 29,461,206 km (0.111 R)
• M17: 34,272,872 km (0.107 R)
• M18: 40,301,367 km (0.097 R)
• M19: 40,736,398 km (0.098 R)
• M20: 42,358,338 km (0.103 R)
• M21: 46,045,626 km (0.107 R)
• M22: 48,129,674 km (0.092 R)
• M23: 63,326,574 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 700.6

Radius: 5.1

Gravity: 26.94 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 6.75 AU - 10.91 AU

Year: 17497 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 70,125,143 km

• M1: 63,429 km (0.105 R)
• M2: 299,944 km (0.089 R)
• M3: 684,859 km (0.08 R)
• M4: 915,838 km (0.108 R)
• M5: 1,719,628 km (0.088 R)
• M6: 2,792,843 km (0.109 R)
• M7: 3,442,397 km (0.055 R)
• M8: 3,907,796 km (0.079 R)
• M9: 5,672,751 km (0.116 R)
• M10: 6,706,622 km (0.11 R)
• M11: 7,017,187 km (0.089 R)
• M12: 8,105,961 km (0.069 R)
• M13: 9,302,594 km (0.093 R)
• M14: 10,259,572 km (0.102 R)
• M15: 11,280,577 km (0.104 R)
• M16: 11,467,425 km (0.113 R)
• M17: 13,592,313 km (0.088 R)
• M18: 15,045,955 km (0.054 R)
• M19: 17,749,488 km (0.074 R)
• M20: 19,215,398 km (0.12 R)
• M21: 21,419,722 km (0.109 R)
• M22: 27,206,766 km (0.08 R)
• M23: 31,924,485 km (0.036 R)
• M24: 35,266,651 km (0.107 R)
• M25: 39,118,796 km (0.113 R)
• M26: 41,441,153 km (0.102 R)
• M27: 45,408,339 km (0.099 R)
• M28: 48,298,421 km (0.115 R)
• M29: 49,122,555 km (0.119 R)
• M30: 49,454,812 km (0.029 R)
• M31: 52,512,593 km (0.074 R)
• M32: 53,034,091 km (0.066 R)
• M33: 53,559,179 km (0.116 R)
• M34: 58,255,505 km (0.107 R)
• M35: 59,943,119 km (0.083 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 10,436 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit