🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.9

Radius: 9.2

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.51 AU - 0.55 AU

Year: 262 Days

Day: 6.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,012,526 km

• M1: 114,442 km (0.08 R)
• M2: 402,568 km (0.088 R)
• M3: 792,570 km (0.072 R)
• M4: 1,438,982 km (0.072 R)
• M5: 2,020,020 km (0.062 R)
• M6: 2,621,852 km (0.12 R)
• M7: 3,049,403 km (0.055 R)
• M8: 3,338,576 km (0.066 R)
• M9: 4,293,309 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.1

Radius: 12.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.76 AU - 0.78 AU

Year: 458 Days

Day: 6.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,012,526 km

• M1: 160,519 km (0.118 R)
• M2: 674,686 km (0.104 R)
• M3: 1,122,882 km (0.075 R)
• M4: 1,680,283 km (0.099 R)
• M5: 2,281,218 km (0.047 R)
• M6: 2,776,237 km (0.1 R)
• M7: 3,272,453 km (0.086 R)
• M8: 3,724,538 km (0.103 R)
• M9: 4,488,834 km (0.088 R)
• M10: 5,049,377 km (0.1 R)
• M11: 5,811,428 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.7

Radius: 10

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.64 AU - 1.76 AU

Year: 1503 Days

Day: 11.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,012,526 km

• M1: 124,465 km (0.096 R)
• M2: 835,803 km (0.111 R)
• M3: 1,157,289 km (0.091 R)
• M4: 1,828,535 km (0.095 R)
• M5: 2,611,380 km (0.053 R)
• M6: 3,841,225 km (0.104 R)
• M7: 5,156,489 km (0.11 R)
• M8: 5,655,548 km (0.075 R)
• M9: 6,840,063 km (0.093 R)
• M10: 7,348,247 km (0.099 R)
• M11: 7,733,312 km (0.095 R)
• M12: 8,702,557 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 13.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.74 AU - 1.92 AU

Year: 1679 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,012,526 km

• M1: 168,298 km (0.097 R)
• M2: 949,946 km (0.076 R)
• M3: 1,424,321 km (0.098 R)
• M4: 2,787,756 km (0.092 R)
• M5: 4,609,260 km (0.108 R)
• M6: 5,708,505 km (0.074 R)
• M7: 6,240,026 km (0.065 R)
• M8: 6,804,609 km (0.087 R)
• M9: 8,338,735 km (0.04 R)
• M10: 10,156,050 km (0.099 R)
• M11: 11,903,203 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.8

Radius: 7.3

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.44 AU - 6.78 AU

Year: 11526 Days

Day: 21 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,012,526 km

• M1: 90,806 km (0.107 R)
• M2: 358,586 km (0.109 R)
• M3: 658,979 km (0.056 R)
• M4: 899,831 km (0.078 R)
• M5: 1,962,425 km (0.099 R)
• M6: 2,233,197 km (0.093 R)
• M7: 4,210,582 km (0.099 R)
• M8: 6,390,671 km (0.078 R)
• M9: 8,840,785 km (0.103 R)
• M10: 9,856,256 km (0.034 R)
• M11: 13,764,650 km (0.089 R)
• M12: 16,508,275 km (0.058 R)
• M13: 17,768,936 km (0.084 R)
• M14: 21,856,399 km (0.072 R)
• M15: 23,456,198 km (0.101 R)
• M16: 25,218,461 km (0.111 R)
• M17: 34,512,229 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.9

Radius: 6.3

Gravity: 13.8 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.1 AU - 7.62 AU

Year: 13543 Days

Day: 21.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 73,012,526 km

• M1: 79,137 km (0.12 R)
• M2: 336,296 km (0.095 R)
• M3: 649,554 km (0.065 R)
• M4: 888,013 km (0.117 R)
• M5: 1,113,607 km (0.057 R)
• M6: 2,050,688 km (0.061 R)
• M7: 2,946,330 km (0.062 R)
• M8: 4,050,362 km (0.07 R)
• M9: 4,903,220 km (0.086 R)
• M10: 5,833,569 km (0.081 R)
• M11: 7,550,354 km (0.038 R)
• M12: 8,833,904 km (0.12 R)
• M13: 9,783,701 km (0.098 R)
• M14: 12,301,882 km (0.099 R)
• M15: 14,945,126 km (0.042 R)
• M16: 19,625,894 km (0.096 R)
• M17: 20,975,566 km (0.086 R)
• M18: 21,849,816 km (0.096 R)
• M19: 22,295,917 km (0.115 R)
• M20: 23,298,672 km (0.105 R)
• M21: 25,787,980 km (0.11 R)
• M22: 26,487,350 km (0.071 R)
• M23: 27,199,137 km (0.071 R)
• M24: 28,661,157 km (0.105 R)
• M25: 29,628,157 km (0.115 R)
• M26: 33,832,755 km (0.076 R)
• M27: 40,123,196 km (0.117 R)
• M28: 40,657,709 km (0.076 R)
• M29: 41,197,010 km (0.079 R)
• M30: 45,684,048 km (0.103 R)
• M31: 49,103,107 km (0.088 R)
• M32: 52,529,497 km (0.114 R)
• M33: 52,848,589 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 746.5

Radius: 5.9

Gravity: 21.44 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 6.84 AU - 10.96 AU

Year: 18008 Days

Day: 18.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 168.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 73,012,526 km

• M1: 73,602 km (0.111 R)
• M2: 484,697 km (0.054 R)
• M3: 768,335 km (0.097 R)
• M4: 2,082,402 km (0.037 R)
• M5: 2,441,138 km (0.094 R)
• M6: 2,791,047 km (0.114 R)
• M7: 5,286,639 km (0.101 R)
• M8: 6,457,691 km (0.11 R)
• M9: 6,808,947 km (0.071 R)
• M10: 7,080,766 km (0.104 R)
• M11: 7,597,926 km (0.077 R)
• M12: 7,890,390 km (0.1 R)
• M13: 9,190,695 km (0.117 R)
• M14: 13,089,664 km (0.1 R)
• M15: 14,526,701 km (0.094 R)
• M16: 14,826,196 km (0.077 R)
• M17: 16,065,764 km (0.113 R)
• M18: 18,311,527 km (0.087 R)
• M19: 21,234,371 km (0.053 R)
• M20: 22,207,804 km (0.093 R)
• M21: 27,525,260 km (0.053 R)
• M22: 36,309,049 km (0.092 R)
• M23: 38,407,159 km (0.048 R)
• M24: 38,979,969 km (0.08 R)
• M25: 50,460,259 km (0.088 R)
• M26: 54,496,410 km (0.09 R)
• M27: 57,241,381 km (0.109 R)
• M28: 57,988,772 km (0.058 R)
• M29: 63,402,869 km (0.062 R)
• M30: 69,144,285 km (0.103 R)
• M31: 69,991,757 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 17,660 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit