🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.9

Radius: 11.6

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.67 AU - 0.83 AU

Year: 457 Days

Day: 5.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,724,233 km

• M1: 144,212 km (0.048 R)
• M2: 536,308 km (0.093 R)
• M3: 1,005,148 km (0.115 R)
• M4: 1,674,000 km (0.1 R)
• M5: 2,079,859 km (0.113 R)
• M6: 2,601,806 km (0.096 R)
• M7: 2,982,533 km (0.095 R)
• M8: 4,370,651 km (0.085 R)
• M9: 5,550,380 km (0.083 R)
• M10: 6,023,558 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 10.9

Gravity: 7.95 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.17 AU - 1.35 AU

Year: 994 Days

Day: 8.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,724,233 km

• M1: 135,536 km (0.103 R)
• M2: 641,775 km (0.057 R)
• M3: 1,698,983 km (0.116 R)
• M4: 2,567,099 km (0.079 R)
• M5: 4,927,455 km (0.103 R)
• M6: 6,961,537 km (0.109 R)
• M7: 7,381,757 km (0.051 R)
• M8: 7,845,361 km (0.083 R)
• M9: 8,273,510 km (0.096 R)
• M10: 9,412,848 km (0.05 R)
• M11: 10,239,077 km (0.093 R)
• M12: 11,146,238 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329

Radius: 9.3

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.7 AU - 2.88 AU

Year: 3276 Days

Day: 6.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,724,233 km

• M1: 115,639 km (0.116 R)
• M2: 476,170 km (0.117 R)
• M3: 1,709,156 km (0.114 R)
• M4: 2,187,869 km (0.089 R)
• M5: 2,622,002 km (0.086 R)
• M6: 3,278,288 km (0.105 R)
• M7: 4,258,154 km (0.093 R)
• M8: 4,674,933 km (0.11 R)
• M9: 5,027,685 km (0.075 R)
• M10: 6,352,075 km (0.079 R)
• M11: 7,095,277 km (0.116 R)
• M12: 7,682,299 km (0.1 R)
• M13: 8,986,793 km (0.084 R)
• M14: 9,709,500 km (0.103 R)
• M15: 10,103,242 km (0.09 R)
• M16: 13,251,679 km (0.05 R)
• M17: 13,558,953 km (0.053 R)
• M18: 14,142,085 km (0.091 R)
• M19: 15,262,424 km (0.057 R)
• M20: 15,697,454 km (0.104 R)
• M21: 16,949,439 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.5

Radius: 9.3

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.48 AU - 3.54 AU

Year: 3671 Days

Day: 11.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,724,233 km

• M1: 115,639 km (0.092 R)
• M2: 482,453 km (0.088 R)
• M3: 882,627 km (0.078 R)
• M4: 1,353,711 km (0.073 R)
• M5: 1,818,063 km (0.105 R)
• M6: 2,890,829 km (0.108 R)
• M7: 3,426,090 km (0.109 R)
• M8: 4,271,169 km (0.077 R)
• M9: 5,407,963 km (0.115 R)
• M10: 6,221,476 km (0.099 R)
• M11: 6,986,520 km (0.079 R)
• M12: 7,950,828 km (0.052 R)
• M13: 11,688,680 km (0.03 R)
• M14: 12,098,728 km (0.08 R)
• M15: 12,803,483 km (0.119 R)
• M16: 14,658,647 km (0.086 R)
• M17: 15,135,714 km (0.116 R)
• M18: 16,233,015 km (0.066 R)
• M19: 18,770,494 km (0.086 R)
• M20: 19,144,339 km (0.109 R)
• M21: 21,493,175 km (0.078 R)
• M22: 22,178,333 km (0.11 R)
• M23: 23,736,844 km (0.082 R)
• M24: 24,394,925 km (0.076 R)
• M25: 24,840,427 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.5

Radius: 4

Gravity: 35.03 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 4.35 AU - 7.19 AU

Year: 9743 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 54,724,233 km

• M1: 49,816 km (0.093 R)
• M2: 207,343 km (0.106 R)
• M3: 445,802 km (0.104 R)
• M4: 606,470 km (0.1 R)
• M5: 1,090,120 km (0.104 R)
• M6: 1,399,338 km (0.084 R)
• M7: 1,660,237 km (0.071 R)
• M8: 2,035,429 km (0.045 R)
• M9: 2,660,449 km (0.083 R)
• M10: 3,875,931 km (0.073 R)
• M11: 4,677,626 km (0.082 R)
• M12: 4,916,983 km (0.083 R)
• M13: 5,956,688 km (0.047 R)
• M14: 6,202,328 km (0.115 R)
• M15: 7,411,976 km (0.114 R)
• M16: 8,243,142 km (0.066 R)
• M17: 9,227,047 km (0.117 R)
• M18: 10,088,432 km (0.101 R)
• M19: 11,054,385 km (0.079 R)
• M20: 12,702,505 km (0.081 R)
• M21: 14,195,492 km (0.119 R)
• M22: 14,952,008 km (0.112 R)
• M23: 17,667,658 km (0.077 R)
• M24: 18,321,102 km (0.11 R)
• M25: 19,675,710 km (0.08 R)
• M26: 20,854,542 km (0.049 R)
• M27: 22,922,583 km (0.119 R)
• M28: 23,352,078 km (0.113 R)
• M29: 24,493,510 km (0.044 R)
• M30: 24,852,096 km (0.073 R)
• M31: 36,603,906 km (0.109 R)
• M32: 37,545,176 km (0.1 R)
• M33: 38,502,453 km (0.056 R)
• M34: 38,744,203 km (0.107 R)
• M35: 41,092,441 km (0.073 R)
• M36: 41,981,052 km (0.056 R)
• M37: 42,237,164 km (0.11 R)
• M38: 43,664,926 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.1

Radius: 7.6

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.83 AU - 9.19 AU

Year: 17450 Days

Day: 19.2 Hours

Environment

Temp: -243 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 54,724,233 km

• M1: 94,995 km (0.094 R)
• M2: 410,048 km (0.111 R)
• M3: 871,856 km (0.036 R)
• M4: 1,247,497 km (0.115 R)
• M5: 1,878,949 km (0.11 R)
• M6: 2,247,110 km (0.114 R)
• M7: 2,819,920 km (0.05 R)
• M8: 3,647,794 km (0.075 R)
• M9: 5,093,508 km (0.057 R)
• M10: 5,444,465 km (0.101 R)
• M11: 6,195,297 km (0.074 R)
• M12: 9,737,924 km (0.03 R)
• M13: 11,304,961 km (0.082 R)
• M14: 14,370,521 km (0.059 R)
• M15: 14,930,316 km (0.098 R)
• M16: 16,018,940 km (0.083 R)
• M17: 21,989,840 km (0.108 R)
• M18: 22,266,596 km (0.07 R)
• M19: 26,079,397 km (0.111 R)
• M20: 26,389,513 km (0.12 R)
• M21: 26,806,891 km (0.082 R)
• M22: 27,122,842 km (0.099 R)
• M23: 28,085,504 km (0.098 R)
• M24: 29,404,209 km (0.116 R)
• M25: 35,471,301 km (0.099 R)
• M26: 36,235,746 km (0.089 R)
• M27: 36,751,410 km (0.049 R)
• M28: 37,665,602 km (0.087 R)
• M29: 38,728,944 km (0.104 R)
• M30: 39,812,033 km (0.101 R)
• M31: 40,499,136 km (0.108 R)
• M32: 45,982,197 km (0.051 R)
• M33: 48,120,848 km (0.085 R)
• M34: 51,289,929 km (0.109 R)
• M35: 53,756,200 km (0.11 R)
• M36: 54,764,340 km (0.093 R)
• M37: 58,923,609 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.1

Radius: 4.4

Gravity: 16.64 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.17 AU - 9.07 AU

Year: 17790 Days

Day: 15.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 54,724,233 km

• M1: 54,753 km (0.097 R)
• M2: 242,947 km (0.105 R)
• M3: 423,811 km (0.039 R)
• M4: 568,322 km (0.096 R)
• M5: 898,784 km (0.101 R)
• M6: 1,107,024 km (0.078 R)
• M7: 1,983,817 km (0.118 R)
• M8: 2,398,652 km (0.067 R)
• M9: 4,585,773 km (0.112 R)
• M10: 5,622,636 km (0.068 R)
• M11: 6,253,191 km (0.113 R)
• M12: 7,095,427 km (0.089 R)
• M13: 7,741,690 km (0.057 R)
• M14: 8,807,425 km (0.049 R)
• M15: 9,553,021 km (0.089 R)
• M16: 10,020,065 km (0.032 R)
• M17: 10,447,915 km (0.114 R)
• M18: 12,771,320 km (0.114 R)
• M19: 13,530,379 km (0.1 R)
• M20: 13,855,306 km (0.082 R)
• M21: 21,673,590 km (0.096 R)
• M22: 22,569,382 km (0.106 R)
• M23: 24,053,393 km (0.071 R)
• M24: 25,013,213 km (0.074 R)
• M25: 28,467,428 km (0.047 R)
• M26: 30,087,573 km (0.112 R)
• M27: 32,805,915 km (0.082 R)
• M28: 33,747,335 km (0.074 R)
• M29: 34,706,407 km (0.036 R)
• M30: 34,949,055 km (0.04 R)
• M31: 36,428,428 km (0.106 R)
• M32: 38,725,054 km (0.082 R)
• M33: 45,898,422 km (0.108 R)
• M34: 48,121,147 km (0.089 R)
• M35: 52,141,889 km (0.091 R)
• M36: 53,422,596 km (0.105 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 173 - 10,879 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit