🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.7

Radius: 10.9

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.66 AU - 0.7 AU

Year: 394 Days

Day: 12.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,774,164 km

• M1: 135,536 km (0.082 R)
• M2: 480,060 km (0.073 R)
• M3: 825,331 km (0.1 R)
• M4: 1,228,199 km (0.072 R)
• M5: 1,700,030 km (0.094 R)
• M6: 2,123,243 km (0.102 R)
• M7: 2,881,255 km (0.114 R)
• M8: 3,500,141 km (0.036 R)
• M9: 3,973,319 km (0.112 R)
• M10: 4,571,861 km (0.111 R)
• M11: 5,199,274 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.1

Radius: 12.8

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.6 AU - 0.92 AU

Year: 466 Days

Day: 11.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,774,164 km

• M1: 159,471 km (0.049 R)
• M2: 558,898 km (0.095 R)
• M3: 994,676 km (0.118 R)
• M4: 1,712,297 km (0.099 R)
• M5: 2,154,060 km (0.086 R)
• M6: 2,592,232 km (0.12 R)
• M7: 3,477,552 km (0.053 R)
• M8: 3,991,271 km (0.083 R)
• M9: 4,887,961 km (0.091 R)
• M10: 5,484,408 km (0.113 R)
• M11: 6,183,478 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.3

Radius: 13.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.68 AU - 0.94 AU

Year: 512 Days

Day: 9.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,774,164 km

• M1: 170,542 km (0.092 R)
• M2: 631,901 km (0.104 R)
• M3: 1,447,210 km (0.092 R)
• M4: 1,917,845 km (0.109 R)
• M5: 2,849,091 km (0.043 R)
• M6: 3,461,246 km (0.118 R)
• M7: 4,039,442 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.8

Radius: 13.1

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.96 AU - 1.4 AU

Year: 901 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,774,164 km

• M1: 163,361 km (0.088 R)
• M2: 684,709 km (0.054 R)
• M3: 1,231,639 km (0.093 R)
• M4: 1,744,910 km (0.061 R)
• M5: 2,586,248 km (0.042 R)
• M6: 3,024,869 km (0.044 R)
• M7: 3,527,368 km (0.076 R)
• M8: 4,100,777 km (0.028 R)
• M9: 5,980,624 km (0.085 R)
• M10: 6,518,578 km (0.062 R)
• M11: 8,738,760 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.5

Radius: 8.9

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 2.55 AU - 2.55 AU

Year: 2862 Days

Day: 13 Hours

Environment

Temp: -213 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,774,164 km

• M1: 110,702 km (0.084 R)
• M2: 744,549 km (0.111 R)
• M3: 1,026,092 km (0.108 R)
• M4: 1,502,262 km (0.085 R)
• M5: 2,299,319 km (0.06 R)
• M6: 2,610,034 km (0.077 R)
• M7: 3,016,791 km (0.111 R)
• M8: 3,317,333 km (0.096 R)
• M9: 3,657,219 km (0.106 R)
• M10: 4,319,339 km (0.07 R)
• M11: 8,703,754 km (0.058 R)
• M12: 9,539,407 km (0.119 R)
• M13: 11,243,926 km (0.115 R)
• M14: 11,796,839 km (0.104 R)
• M15: 12,728,385 km (0.097 R)
• M16: 13,565,236 km (0.084 R)
• M17: 14,838,014 km (0.117 R)
• M18: 15,922,749 km (0.104 R)
• M19: 17,337,944 km (0.109 R)
• M20: 17,619,488 km (0.078 R)
• M21: 18,953,751 km (0.108 R)
• M22: 20,667,694 km (0.116 R)
• M23: 21,047,972 km (0.032 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925

Radius: 13.6

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.58 AU - 5.4 AU

Year: 6688 Days

Day: 10.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,774,164 km

• M1: 169,494 km (0.027 R)
• M2: 641,027 km (0.119 R)
• M3: 1,406,370 km (0.089 R)
• M4: 2,674,660 km (0.103 R)
• M5: 3,179,852 km (0.037 R)
• M6: 3,919,913 km (0.106 R)
• M7: 4,548,074 km (0.057 R)
• M8: 5,427,411 km (0.11 R)
• M9: 7,029,454 km (0.078 R)
• M10: 7,720,148 km (0.1 R)
• M11: 9,925,370 km (0.07 R)
• M12: 10,746,064 km (0.091 R)
• M13: 11,611,488 km (0.077 R)
• M14: 12,195,817 km (0.066 R)
• M15: 12,855,693 km (0.068 R)
• M16: 15,103,700 km (0.116 R)
• M17: 16,059,331 km (0.088 R)
• M18: 19,911,477 km (0.114 R)
• M19: 22,011,083 km (0.037 R)
• M20: 26,646,672 km (0.108 R)
• M21: 28,041,672 km (0.109 R)
• M22: 30,674,295 km (0.111 R)
• M23: 31,179,338 km (0.104 R)
• M24: 31,689,915 km (0.093 R)
• M25: 34,111,007 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.8

Radius: 12.1

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.89 AU - 6.19 AU

Year: 7953 Days

Day: 14.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 54,774,164 km

• M1: 150,645 km (0.114 R)
• M2: 563,984 km (0.12 R)
• M3: 946,805 km (0.116 R)
• M4: 1,892,563 km (0.116 R)
• M5: 2,353,474 km (0.05 R)
• M6: 2,748,113 km (0.115 R)
• M7: 4,076,243 km (0.12 R)
• M8: 4,565,278 km (0.084 R)
• M9: 5,032,622 km (0.037 R)
• M10: 6,098,656 km (0.095 R)
• M11: 7,348,397 km (0.075 R)
• M12: 9,164,964 km (0.107 R)
• M13: 11,368,840 km (0.117 R)
• M14: 11,957,358 km (0.108 R)
• M15: 14,087,033 km (0.105 R)
• M16: 20,225,333 km (0.102 R)
• M17: 20,615,484 km (0.096 R)
• M18: 21,572,013 km (0.096 R)
• M19: 22,558,013 km (0.113 R)
• M20: 23,488,062 km (0.045 R)
• M21: 25,244,341 km (0.12 R)
• M22: 29,313,852 km (0.084 R)
• M23: 29,713,428 km (0.102 R)
• M24: 31,556,324 km (0.099 R)
• M25: 34,130,455 km (0.115 R)
• M26: 35,581,704 km (0.104 R)
• M27: 39,937,396 km (0.117 R)
• M28: 40,428,525 km (0.058 R)
• M29: 41,048,160 km (0.119 R)
• M30: 41,548,415 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.7

Radius: 14.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 4.63 AU - 5.79 AU

Year: 8359 Days

Day: 11.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,774,164 km

• M1: 182,958 km (0.087 R)
• M2: 685,457 km (0.113 R)
• M3: 1,301,501 km (0.114 R)
• M4: 1,789,340 km (0.08 R)
• M5: 2,264,613 km (0.1 R)
• M6: 6,093,121 km (0.105 R)
• M7: 6,821,962 km (0.039 R)
• M8: 8,206,490 km (0.08 R)
• M9: 9,317,554 km (0.088 R)
• M10: 12,209,281 km (0.091 R)
• M11: 13,426,558 km (0.094 R)
• M12: 14,602,099 km (0.067 R)
• M13: 18,541,310 km (0.041 R)
• M14: 23,804,911 km (0.091 R)
• M15: 24,913,730 km (0.113 R)
• M16: 29,018,845 km (0.1 R)
• M17: 29,988,838 km (0.057 R)
• M18: 32,096,074 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 946

Radius: 7

Gravity: 19.31 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 5.17 AU - 7.55 AU

Year: 11274 Days

Day: 16.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,774,164 km

• M1: 87,066 km (0.104 R)
• M2: 385,963 km (0.094 R)
• M3: 727,345 km (0.085 R)
• M4: 1,055,712 km (0.091 R)
• M5: 1,354,459 km (0.102 R)
• M6: 1,806,993 km (0.116 R)
• M7: 2,105,889 km (0.089 R)
• M8: 2,825,904 km (0.116 R)
• M9: 3,205,284 km (0.052 R)
• M10: 3,564,768 km (0.097 R)
• M11: 4,008,325 km (0.028 R)
• M12: 4,613,598 km (0.097 R)
• M13: 4,905,314 km (0.07 R)
• M14: 6,838,119 km (0.099 R)
• M15: 8,585,571 km (0.115 R)
• M16: 11,410,278 km (0.114 R)
• M17: 17,219,463 km (0.073 R)
• M18: 18,563,151 km (0.06 R)
• M19: 23,011,743 km (0.067 R)
• M20: 24,346,904 km (0.086 R)
• M21: 24,639,517 km (0.069 R)
• M22: 30,656,493 km (0.052 R)
• M23: 31,572,331 km (0.092 R)
• M24: 32,506,421 km (0.071 R)
• M25: 35,045,545 km (0.118 R)
• M26: 35,669,069 km (0.075 R)
• M27: 38,237,216 km (0.082 R)
• M28: 39,164,423 km (0.077 R)
• M29: 42,035,954 km (0.106 R)
• M30: 43,738,378 km (0.069 R)
• M31: 44,461,086 km (0.08 R)
• M32: 53,271,054 km (0.072 R)
• M33: 55,095,250 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 781.8

Radius: 7.6

Gravity: 13.54 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.93 AU - 7.91 AU

Year: 11434 Days

Day: 20.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,774,164 km

• M1: 94,546 km (0.061 R)
• M2: 469,588 km (0.11 R)
• M3: 850,464 km (0.046 R)
• M4: 1,100,592 km (0.103 R)
• M5: 1,600,548 km (0.108 R)
• M6: 1,920,089 km (0.093 R)
• M7: 2,224,670 km (0.103 R)
• M8: 2,520,275 km (0.107 R)
• M9: 2,797,331 km (0.099 R)
• M10: 3,490,118 km (0.11 R)
• M11: 3,918,567 km (0.101 R)
• M12: 5,556,813 km (0.059 R)
• M13: 5,917,643 km (0.06 R)
• M14: 6,646,334 km (0.066 R)
• M15: 10,708,066 km (0.072 R)
• M16: 11,324,559 km (0.112 R)
• M17: 12,083,319 km (0.077 R)
• M18: 13,380,034 km (0.097 R)
• M19: 15,250,007 km (0.112 R)
• M20: 15,601,263 km (0.058 R)
• M21: 16,320,230 km (0.097 R)
• M22: 19,254,443 km (0.086 R)
• M23: 21,104,669 km (0.11 R)
• M24: 21,717,422 km (0.082 R)
• M25: 22,886,829 km (0.117 R)
• M26: 27,568,793 km (0.048 R)
• M27: 32,387,789 km (0.106 R)
• M28: 34,031,421 km (0.077 R)
• M29: 36,851,341 km (0.039 R)
• M30: 38,512,177 km (0.107 R)
• M31: 39,164,124 km (0.091 R)
• M32: 43,370,966 km (0.105 R)
• M33: 48,471,505 km (0.118 R)
• M34: 51,874,258 km (0.053 R)
• M35: 52,669,222 km (0.076 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: 352 - 17,096 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit