🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.3

Radius: 8.1

Gravity: 13.92 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.69 AU - 0.73 AU

Year: 380 Days

Day: 12.5 Hours

Environment

Temp: -135 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,937,469 km

• M1: 103,671 km (0.081 R)
• M2: 376,687 km (0.042 R)
• M3: 705,952 km (0.025 R)
• M4: 969,095 km (0.083 R)
• M5: 1,257,221 km (0.065 R)
• M6: 1,682,228 km (0.114 R)
• M7: 2,002,816 km (0.111 R)
• M8: 2,863,154 km (0.077 R)
• M9: 5,004,348 km (0.12 R)
• M10: 5,290,828 km (0.086 R)
• M11: 5,571,473 km (0.065 R)
• M12: 5,827,286 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.5

Radius: 12.1

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.8 AU - 1.02 AU

Year: 552 Days

Day: 11.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,937,469 km

• M1: 150,495 km (0.036 R)
• M2: 689,048 km (0.057 R)
• M3: 1,268,141 km (0.117 R)
• M4: 1,685,220 km (0.083 R)
• M5: 2,100,504 km (0.086 R)
• M6: 2,955,156 km (0.11 R)
• M7: 3,421,004 km (0.115 R)
• M8: 4,136,980 km (0.098 R)
• M9: 5,074,958 km (0.056 R)
• M10: 5,477,975 km (0.119 R)
• M11: 5,937,240 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325

Radius: 10.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.85 AU - 1.29 AU

Year: 704 Days

Day: 5.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,937,469 km

• M1: 126,859 km (0.117 R)
• M2: 445,802 km (0.118 R)
• M3: 775,216 km (0.094 R)
• M4: 1,104,780 km (0.115 R)
• M5: 1,455,737 km (0.084 R)
• M6: 1,914,254 km (0.062 R)
• M7: 2,296,776 km (0.073 R)
• M8: 2,667,928 km (0.063 R)
• M9: 3,409,186 km (0.081 R)
• M10: 4,211,330 km (0.051 R)
• M11: 5,281,254 km (0.065 R)
• M12: 5,739,322 km (0.049 R)
• M13: 6,223,720 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.9

Radius: 8.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.13 AU - 1.89 AU

Year: 1180 Days

Day: 14.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,937,469 km

• M1: 110,702 km (0.12 R)
• M2: 422,464 km (0.039 R)
• M3: 724,203 km (0.09 R)
• M4: 1,070,373 km (0.095 R)
• M5: 1,692,251 km (0.114 R)
• M6: 2,076,568 km (0.109 R)
• M7: 2,425,281 km (0.065 R)
• M8: 2,947,826 km (0.078 R)
• M9: 3,264,375 km (0.115 R)
• M10: 3,664,400 km (0.097 R)
• M11: 4,083,872 km (0.088 R)
• M12: 4,367,211 km (0.068 R)
• M13: 5,019,158 km (0.06 R)
• M14: 5,313,417 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.3

Radius: 13.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.35 AU - 1.83 AU

Year: 1275 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,937,469 km

• M1: 171,439 km (0.091 R)
• M2: 711,338 km (0.106 R)
• M3: 1,202,168 km (0.098 R)
• M4: 1,666,670 km (0.067 R)
• M5: 2,775,489 km (0.04 R)
• M6: 3,240,290 km (0.114 R)
• M7: 3,848,704 km (0.092 R)
• M8: 4,430,191 km (0.032 R)
• M9: 7,858,376 km (0.048 R)
• M10: 9,783,701 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.7

Radius: 10.3

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.04 AU - 2.46 AU

Year: 2146 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,937,469 km

• M1: 128,056 km (0.101 R)
• M2: 540,198 km (0.069 R)
• M3: 1,008,140 km (0.108 R)
• M4: 1,447,060 km (0.112 R)
• M5: 2,631,277 km (0.117 R)
• M6: 3,425,043 km (0.061 R)
• M7: 3,859,326 km (0.059 R)
• M8: 4,289,420 km (0.091 R)
• M9: 5,292,922 km (0.039 R)
• M10: 6,053,029 km (0.097 R)
• M11: 6,526,806 km (0.12 R)
• M12: 6,940,444 km (0.114 R)
• M13: 10,052,079 km (0.114 R)
• M14: 10,717,491 km (0.025 R)
• M15: 12,301,433 km (0.029 R)
• M16: 12,805,727 km (0.109 R)
• M17: 13,900,634 km (0.075 R)
• M18: 16,126,052 km (0.074 R)
• M19: 16,476,859 km (0.111 R)
• M20: 17,824,138 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262

Radius: 11.4

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.15 AU - 2.91 AU

Year: 2559 Days

Day: 11.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,937,469 km

• M1: 149,149 km (0.091 R)
• M2: 524,191 km (0.087 R)
• M3: 1,077,703 km (0.082 R)
• M4: 2,093,622 km (0.117 R)
• M5: 2,753,349 km (0.096 R)
• M6: 3,370,739 km (0.106 R)
• M7: 3,780,637 km (0.096 R)
• M8: 4,205,645 km (0.055 R)
• M9: 4,583,978 km (0.056 R)
• M10: 5,519,713 km (0.115 R)
• M11: 9,032,869 km (0.092 R)
• M12: 9,473,136 km (0.05 R)
• M13: 10,430,861 km (0.091 R)
• M14: 11,819,279 km (0.062 R)
• M15: 12,810,963 km (0.091 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.1

Radius: 8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.86 AU - 3.36 AU

Year: 3487 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,937,469 km

• M1: 103,671 km (0.076 R)
• M2: 976,874 km (0.095 R)
• M3: 1,266,496 km (0.07 R)
• M4: 1,623,586 km (0.068 R)
• M5: 1,875,957 km (0.061 R)
• M6: 2,696,053 km (0.028 R)
• M7: 3,022,027 km (0.086 R)
• M8: 3,935,621 km (0.092 R)
• M9: 4,702,011 km (0.095 R)
• M10: 5,729,748 km (0.093 R)
• M11: 6,271,143 km (0.092 R)
• M12: 12,819,191 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856.7

Radius: 8.6

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.52 AU - 3.92 AU

Year: 3674 Days

Day: 9.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,937,469 km

• M1: 106,962 km (0.042 R)
• M2: 384,018 km (0.071 R)
• M3: 686,056 km (0.112 R)
• M4: 1,287,290 km (0.109 R)
• M5: 1,696,141 km (0.114 R)
• M6: 2,416,305 km (0.096 R)
• M7: 2,898,908 km (0.075 R)
• M8: 3,307,011 km (0.076 R)
• M9: 3,838,083 km (0.094 R)
• M10: 4,331,008 km (0.047 R)
• M11: 5,720,772 km (0.076 R)
• M12: 6,798,774 km (0.033 R)
• M13: 7,153,770 km (0.038 R)
• M14: 8,293,556 km (0.102 R)
• M15: 8,774,214 km (0.106 R)
• M16: 10,119,548 km (0.099 R)
• M17: 10,711,806 km (0.051 R)
• M18: 12,151,985 km (0.12 R)
• M19: 13,413,693 km (0.096 R)
• M20: 14,076,412 km (0.081 R)
• M21: 15,192,711 km (0.039 R)
• M22: 18,209,502 km (0.044 R)
• M23: 19,148,827 km (0.103 R)
• M24: 19,533,592 km (0.083 R)
• M25: 20,718,557 km (0.072 R)
• M26: 22,727,657 km (0.04 R)
• M27: 23,231,353 km (0.065 R)
• M28: 23,595,623 km (0.056 R)
• M29: 23,963,784 km (0.072 R)
• M30: 24,335,834 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.3

Radius: 4

Gravity: 13.71 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 8.45 AU - 13.35 AU

Year: 22881 Days

Day: 21.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,937,469 km

• M1: 49,816 km (0.111 R)
• M2: 282,740 km (0.088 R)
• M3: 458,667 km (0.079 R)
• M4: 896,690 km (0.115 R)
• M5: 1,038,060 km (0.054 R)
• M6: 1,232,836 km (0.065 R)
• M7: 1,480,720 km (0.059 R)
• M8: 1,777,522 km (0.091 R)
• M9: 2,594,775 km (0.119 R)
• M10: 2,748,412 km (0.084 R)
• M11: 3,555,792 km (0.093 R)
• M12: 3,856,932 km (0.089 R)
• M13: 4,447,694 km (0.113 R)
• M14: 5,303,095 km (0.108 R)
• M15: 5,550,979 km (0.04 R)
• M16: 6,620,304 km (0.116 R)
• M17: 6,907,831 km (0.096 R)
• M18: 11,674,019 km (0.091 R)
• M19: 11,912,478 km (0.09 R)
• M20: 14,892,767 km (0.072 R)
• M21: 18,900,793 km (0.043 R)
• M22: 19,562,166 km (0.074 R)
• M23: 23,008,751 km (0.105 R)
• M24: 25,718,417 km (0.097 R)
• M25: 27,991,258 km (0.111 R)
• M26: 32,577,480 km (0.062 R)
• M27: 39,481,720 km (0.097 R)
• M28: 47,905,577 km (0.073 R)
• M29: 48,363,196 km (0.078 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: 479 - 18,202 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit