🌌 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: 156.1

Radius: 10.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.53 AU - 0.65 AU

Year: 313 Days

Day: 14.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,753,491 km

• M1: 129,402 km (0.069 R)
• M2: 591,360 km (0.106 R)
• M3: 938,727 km (0.11 R)
• M4: 1,427,164 km (0.108 R)
• M5: 1,793,230 km (0.087 R)
• M6: 2,563,659 km (0.094 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 14.5

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.8 AU - 0.86 AU

Year: 522 Days

Day: 6.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,753,491 km

• M1: 180,415 km (0.076 R)
• M2: 712,834 km (0.085 R)
• M3: 1,278,015 km (0.091 R)
• M4: 1,892,862 km (0.09 R)
• M5: 2,373,071 km (0.076 R)
• M6: 3,653,479 km (0.109 R)
• M7: 4,170,938 km (0.106 R)
• M8: 4,833,806 km (0.104 R)
• M9: 5,389,712 km (0.105 R)
• M10: 5,876,055 km (0.038 R)
• M11: 6,431,212 km (0.059 R)
• M12: 7,063,413 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.6

Radius: 9.7

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.94 AU - 1.3 AU

Year: 818 Days

Day: 9.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,753,491 km

• M1: 121,025 km (0.06 R)
• M2: 525,837 km (0.085 R)
• M3: 1,054,964 km (0.086 R)
• M4: 1,358,498 km (0.057 R)
• M5: 1,766,751 km (0.08 R)
• M6: 2,123,691 km (0.052 R)
• M7: 2,865,846 km (0.111 R)
• M8: 3,210,071 km (0.07 R)
• M9: 3,995,759 km (0.063 R)
• M10: 4,631,849 km (0.062 R)
• M11: 5,383,130 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.2

Radius: 8.4

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.04 AU - 3.8 AU

Year: 4366 Days

Day: 9.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,753,491 km

• M1: 104,569 km (0.118 R)
• M2: 367,562 km (0.047 R)
• M3: 776,263 km (0.039 R)
• M4: 1,397,394 km (0.077 R)
• M5: 1,788,742 km (0.062 R)
• M6: 2,541,668 km (0.078 R)
• M7: 3,196,308 km (0.08 R)
• M8: 5,498,171 km (0.109 R)
• M9: 6,478,485 km (0.117 R)
• M10: 7,669,434 km (0.072 R)
• M11: 8,487,435 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 8.3

Gravity: 13.82 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.44 AU - 5.1 AU

Year: 6091 Days

Day: 8.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 68,753,491 km

• M1: 103,223 km (0.091 R)
• M2: 428,598 km (0.087 R)
• M3: 849,417 km (0.052 R)
• M4: 1,117,646 km (0.115 R)
• M5: 1,506,002 km (0.08 R)
• M6: 2,377,260 km (0.094 R)
• M7: 4,083,274 km (0.12 R)
• M8: 4,558,247 km (0.074 R)
• M9: 5,308,929 km (0.117 R)
• M10: 6,106,136 km (0.111 R)
• M11: 8,804,583 km (0.114 R)
• M12: 9,918,788 km (0.082 R)
• M13: 11,736,551 km (0.108 R)
• M14: 12,478,856 km (0.114 R)
• M15: 14,174,548 km (0.111 R)
• M16: 14,955,000 km (0.089 R)
• M17: 15,890,735 km (0.049 R)
• M18: 18,155,646 km (0.082 R)
• M19: 18,435,394 km (0.06 R)
• M20: 19,510,704 km (0.111 R)
• M21: 20,476,059 km (0.114 R)
• M22: 22,341,096 km (0.098 R)
• M23: 27,219,333 km (0.112 R)
• M24: 33,597,438 km (0.113 R)
• M25: 36,405,091 km (0.117 R)
• M26: 38,208,643 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.4

Radius: 10.8

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.99 AU - 5.41 AU

Year: 7033 Days

Day: 6.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,753,491 km

• M1: 134,339 km (0.119 R)
• M2: 742,903 km (0.082 R)
• M3: 1,224,608 km (0.045 R)
• M4: 2,877,066 km (0.099 R)
• M5: 4,039,442 km (0.082 R)
• M6: 4,489,731 km (0.068 R)
• M7: 6,078,760 km (0.103 R)
• M8: 6,707,669 km (0.098 R)
• M9: 7,302,620 km (0.101 R)
• M10: 8,344,120 km (0.077 R)
• M11: 8,683,857 km (0.098 R)
• M12: 9,619,741 km (0.075 R)
• M13: 10,088,581 km (0.035 R)
• M14: 10,671,115 km (0.052 R)
• M15: 12,664,806 km (0.039 R)
• M16: 13,458,423 km (0.109 R)
• M17: 14,345,089 km (0.069 R)
• M18: 20,733,218 km (0.115 R)
• M19: 21,675,385 km (0.109 R)
• M20: 22,563,847 km (0.072 R)
• M21: 26,000,110 km (0.081 R)
• M22: 35,974,847 km (0.097 R)
• M23: 36,763,826 km (0.069 R)
• M24: 38,026,732 km (0.112 R)
• M25: 39,795,278 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.1

Radius: 7.2

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 5.45 AU - 6.23 AU

Year: 9742 Days

Day: 23.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,753,491 km

• M1: 91,554 km (0.108 R)
• M2: 351,405 km (0.098 R)
• M3: 754,272 km (0.084 R)
• M4: 1,366,277 km (0.115 R)
• M5: 1,627,924 km (0.071 R)
• M6: 2,414,659 km (0.064 R)
• M7: 2,739,885 km (0.11 R)
• M8: 3,271,406 km (0.081 R)
• M9: 3,670,683 km (0.035 R)
• M10: 5,281,702 km (0.118 R)
• M11: 6,527,105 km (0.102 R)
• M12: 7,834,141 km (0.116 R)
• M13: 8,419,967 km (0.101 R)
• M14: 9,868,373 km (0.043 R)
• M15: 12,733,621 km (0.096 R)
• M16: 13,366,570 km (0.06 R)
• M17: 14,633,215 km (0.032 R)
• M18: 19,058,619 km (0.105 R)
• M19: 21,613,900 km (0.105 R)
• M20: 22,597,207 km (0.12 R)
• M21: 23,268,902 km (0.088 R)
• M22: 23,867,742 km (0.088 R)
• M23: 27,868,438 km (0.097 R)
• M24: 31,874,070 km (0.094 R)
• M25: 34,232,930 km (0.067 R)
• M26: 34,673,944 km (0.051 R)
• M27: 37,867,859 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 22.4

Radius: 4.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.73 AU - 8.99 AU

Year: 15211 Days

Day: 18.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,753,491 km

• M1: 61,036 km (0.113 R)
• M2: 267,481 km (0.101 R)
• M3: 623,225 km (0.071 R)
• M4: 1,060,051 km (0.069 R)
• M5: 1,325,587 km (0.051 R)
• M6: 1,590,674 km (0.086 R)
• M7: 2,282,265 km (0.104 R)
• M8: 4,558,995 km (0.078 R)
• M9: 4,808,375 km (0.076 R)
• M10: 7,573,691 km (0.112 R)
• M11: 7,923,750 km (0.116 R)
• M12: 11,617,920 km (0.074 R)
• M13: 12,961,758 km (0.119 R)
• M14: 15,595,428 km (0.07 R)
• M15: 15,954,164 km (0.041 R)
• M16: 16,956,021 km (0.09 R)
• M17: 19,142,544 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.1

Radius: 5.2

Gravity: 27.41 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.3 AU - 10.64 AU

Year: 20116 Days

Day: 24.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 68,753,491 km

• M1: 64,776 km (0.119 R)
• M2: 232,924 km (0.055 R)
• M3: 436,227 km (0.107 R)
• M4: 876,344 km (0.066 R)
• M5: 1,188,854 km (0.118 R)
• M6: 1,711,848 km (0.087 R)
• M7: 1,878,351 km (0.085 R)
• M8: 2,309,492 km (0.118 R)
• M9: 2,632,025 km (0.117 R)
• M10: 2,829,345 km (0.114 R)
• M11: 3,510,912 km (0.112 R)
• M12: 4,363,770 km (0.096 R)
• M13: 5,952,649 km (0.105 R)
• M14: 6,968,718 km (0.082 R)
• M15: 8,408,448 km (0.115 R)
• M16: 13,386,317 km (0.085 R)
• M17: 17,587,025 km (0.096 R)
• M18: 20,796,348 km (0.085 R)
• M19: 21,680,471 km (0.106 R)
• M20: 25,357,737 km (0.08 R)
• M21: 26,708,306 km (0.113 R)
• M22: 28,702,895 km (0.051 R)
• M23: 41,241,141 km (0.061 R)
• M24: 42,011,271 km (0.097 R)
• M25: 49,898,370 km (0.078 R)
• M26: 51,479,320 km (0.101 R)
• M27: 53,274,794 km (0.106 R)
• M28: 55,111,556 km (0.075 R)
• M29: 55,670,753 km (0.117 R)
• M30: 63,084,375 km (0.101 R)
• M31: 64,312,125 km (0.079 R)
• M32: 67,663,416 km (0.113 R)
• M33: 76,316,307 km (0.04 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.2

Radius: 6

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.27 AU - 9.79 AU

Year: 20307 Days

Day: 21.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 68,753,491 km

• M1: 74,649 km (0.118 R)
• M2: 267,182 km (0.117 R)
• M3: 461,958 km (0.065 R)
• M4: 2,432,162 km (0.083 R)
• M5: 2,919,402 km (0.06 R)
• M6: 3,933,078 km (0.114 R)
• M7: 5,384,027 km (0.117 R)
• M8: 6,459,038 km (0.072 R)
• M9: 7,024,518 km (0.072 R)
• M10: 7,388,639 km (0.099 R)
• M11: 8,455,122 km (0.088 R)
• M12: 9,025,090 km (0.115 R)
• M13: 9,346,725 km (0.084 R)
• M14: 9,956,037 km (0.097 R)
• M15: 10,241,620 km (0.103 R)
• M16: 14,983,573 km (0.053 R)
• M17: 16,681,509 km (0.099 R)
• M18: 17,742,906 km (0.113 R)
• M19: 20,638,373 km (0.105 R)
• M20: 20,916,176 km (0.086 R)
• M21: 21,102,874 km (0.09 R)
• M22: 22,343,190 km (0.077 R)
• M23: 24,448,331 km (0.112 R)
• M24: 26,246,647 km (0.108 R)
• M25: 34,582,989 km (0.072 R)
• M26: 35,768,252 km (0.098 R)
• M27: 37,527,823 km (0.12 R)
• M28: 43,151,506 km (0.09 R)
• M29: 44,678,900 km (0.074 R)
• M30: 44,988,717 km (0.105 R)
• M31: 46,084,073 km (0.088 R)
• M32: 46,717,919 km (0.108 R)
• M33: 51,999,771 km (0.057 R)
• M34: 59,705,109 km (0.075 R)
• M35: 66,915,726 km (0.084 R)
• M36: 67,932,692 km (0.118 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 18,747 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit