🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 13.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.49 AU - 0.81 AU

Year: 349 Days

Day: 8.8 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 39,852,297 km

• M1: 166,652 km (0.062 R)
• M2: 587,770 km (0.043 R)
• M3: 1,319,902 km (0.102 R)
• M4: 1,824,047 km (0.106 R)
• M5: 2,257,731 km (0.105 R)
• M6: 2,733,303 km (0.113 R)
• M7: 3,658,416 km (0.107 R)
• M8: 4,320,536 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.1

Radius: 11.3

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.62 AU - 0.8 AU

Year: 399 Days

Day: 12.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 163 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,852,297 km

• M1: 141,071 km (0.053 R)
• M2: 521,648 km (0.066 R)
• M3: 1,176,438 km (0.099 R)
• M4: 1,611,468 km (0.067 R)
• M5: 2,882,153 km (0.11 R)
• M6: 3,563,870 km (0.059 R)
• M7: 4,174,379 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.3

Radius: 9.6

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.36 AU - 2.04 AU

Year: 1478 Days

Day: 12.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 39,852,297 km

• M1: 119,379 km (0.051 R)
• M2: 455,526 km (0.101 R)
• M3: 762,201 km (0.069 R)
• M4: 1,440,478 km (0.092 R)
• M5: 1,893,909 km (0.1 R)
• M6: 2,301,114 km (0.079 R)
• M7: 2,627,238 km (0.051 R)
• M8: 5,350,069 km (0.106 R)
• M9: 5,738,275 km (0.063 R)
• M10: 6,243,617 km (0.113 R)
• M11: 6,545,655 km (0.112 R)
• M12: 7,371,285 km (0.109 R)
• M13: 8,175,224 km (0.116 R)
• M14: 8,847,068 km (0.094 R)
• M15: 9,164,515 km (0.089 R)
• M16: 9,754,828 km (0.087 R)
• M17: 11,268,160 km (0.086 R)
• M18: 11,907,542 km (0.103 R)
• M19: 12,491,721 km (0.079 R)
• M20: 13,382,876 km (0.039 R)
• M21: 14,229,151 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.2

Radius: 12.8

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.67 AU - 1.77 AU

Year: 1504 Days

Day: 10.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,852,297 km

• M1: 161,117 km (0.069 R)
• M2: 563,535 km (0.105 R)
• M3: 1,115,551 km (0.073 R)
• M4: 2,193,404 km (0.041 R)
• M5: 2,609,884 km (0.117 R)
• M6: 3,277,390 km (0.035 R)
• M7: 3,746,679 km (0.117 R)
• M8: 6,294,779 km (0.09 R)
• M9: 6,735,644 km (0.084 R)
• M10: 7,197,154 km (0.07 R)
• M11: 11,312,591 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.7

Radius: 11.1

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.74 AU - 1.92 AU

Year: 1651 Days

Day: 13.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 39,852,297 km

• M1: 138,228 km (0.096 R)
• M2: 515,664 km (0.097 R)
• M3: 1,456,934 km (0.095 R)
• M4: 2,222,127 km (0.095 R)
• M5: 2,717,445 km (0.029 R)
• M6: 3,206,331 km (0.107 R)
• M7: 4,680,169 km (0.059 R)
• M8: 5,035,315 km (0.08 R)
• M9: 5,521,807 km (0.111 R)
• M10: 6,136,953 km (0.118 R)
• M11: 7,254,150 km (0.092 R)
• M12: 10,940,840 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.3

Radius: 10.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 3.16 AU - 3.94 AU

Year: 4460 Days

Day: 8.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,852,297 km

• M1: 134,339 km (0.116 R)
• M2: 1,636,302 km (0.063 R)
• M3: 2,203,726 km (0.074 R)
• M4: 3,407,989 km (0.07 R)
• M5: 4,208,188 km (0.054 R)
• M6: 7,056,980 km (0.102 R)
• M7: 8,666,504 km (0.116 R)
• M8: 10,709,412 km (0.078 R)
• M9: 11,329,795 km (0.05 R)
• M10: 11,930,131 km (0.061 R)
• M11: 13,429,550 km (0.098 R)
• M12: 13,811,175 km (0.053 R)
• M13: 14,347,782 km (0.11 R)
• M14: 15,776,591 km (0.118 R)
• M15: 17,354,251 km (0.109 R)
• M16: 18,974,844 km (0.116 R)
• M17: 20,379,718 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.8

Radius: 8.8

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.86 AU - 4.52 AU

Year: 5719 Days

Day: 7.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,852,297 km

• M1: 109,506 km (0.103 R)
• M2: 481,406 km (0.106 R)
• M3: 772,823 km (0.105 R)
• M4: 1,049,279 km (0.098 R)
• M5: 1,549,385 km (0.117 R)
• M6: 1,855,163 km (0.057 R)
• M7: 2,432,910 km (0.107 R)
• M8: 3,292,051 km (0.064 R)
• M9: 3,596,931 km (0.033 R)
• M10: 4,041,237 km (0.112 R)
• M11: 5,068,077 km (0.062 R)
• M12: 5,750,093 km (0.064 R)
• M13: 6,973,804 km (0.07 R)
• M14: 7,665,844 km (0.119 R)
• M15: 9,101,684 km (0.113 R)
• M16: 11,235,398 km (0.103 R)
• M17: 13,738,021 km (0.037 R)
• M18: 14,590,879 km (0.098 R)
• M19: 16,844,720 km (0.119 R)
• M20: 19,042,313 km (0.095 R)
• M21: 28,280,281 km (0.11 R)
• M22: 30,315,859 km (0.116 R)
• M23: 30,791,879 km (0.078 R)
• M24: 32,645,995 km (0.111 R)
• M25: 33,549,716 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 927.3

Radius: 12.3

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.82 AU - 5 AU

Year: 6176 Days

Day: 6.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 39,852,297 km

• M1: 156,031 km (0.099 R)
• M2: 577,747 km (0.077 R)
• M3: 1,106,575 km (0.095 R)
• M4: 1,554,471 km (0.036 R)
• M5: 1,969,905 km (0.118 R)
• M6: 2,811,991 km (0.054 R)
• M7: 3,482,788 km (0.112 R)
• M8: 4,714,427 km (0.073 R)
• M9: 5,632,061 km (0.116 R)
• M10: 6,117,207 km (0.102 R)
• M11: 7,820,827 km (0.118 R)
• M12: 8,302,383 km (0.062 R)
• M13: 8,932,190 km (0.12 R)
• M14: 11,775,746 km (0.085 R)
• M15: 12,355,887 km (0.107 R)
• M16: 13,177,777 km (0.076 R)
• M17: 14,508,151 km (0.081 R)
• M18: 15,422,942 km (0.097 R)
• M19: 17,099,037 km (0.11 R)
• M20: 19,252,498 km (0.108 R)
• M21: 22,450,900 km (0.079 R)
• M22: 23,343,701 km (0.112 R)
• M23: 25,373,893 km (0.109 R)
• M24: 27,519,276 km (0.087 R)
• M25: 30,860,994 km (0.103 R)
• M26: 34,251,031 km (0.078 R)
• M27: 36,090,786 km (0.092 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.9

Radius: 9.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.72 AU - 5.54 AU

Year: 7748 Days

Day: 9.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,852,297 km

• M1: 120,127 km (0.077 R)
• M2: 467,344 km (0.111 R)
• M3: 1,256,173 km (0.107 R)
• M4: 2,233,795 km (0.097 R)
• M5: 3,461,695 km (0.081 R)
• M6: 4,270,720 km (0.082 R)
• M7: 5,424,419 km (0.104 R)
• M8: 9,321,892 km (0.069 R)
• M9: 10,651,518 km (0.113 R)
• M10: 12,598,684 km (0.115 R)
• M11: 13,159,078 km (0.061 R)
• M12: 14,605,091 km (0.1 R)
• M13: 15,568,202 km (0.104 R)
• M14: 16,213,716 km (0.088 R)
• M15: 21,599,689 km (0.037 R)
• M16: 27,219,781 km (0.074 R)
• M17: 27,813,236 km (0.097 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.7

Radius: 11.3

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 5.21 AU - 5.53 AU

Year: 8298 Days

Day: 10.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,852,297 km

• M1: 140,472 km (0.064 R)
• M2: 575,054 km (0.104 R)
• M3: 1,021,604 km (0.083 R)
• M4: 1,405,622 km (0.092 R)
• M5: 2,268,353 km (0.096 R)
• M6: 3,061,670 km (0.104 R)
• M7: 3,687,438 km (0.102 R)
• M8: 4,423,459 km (0.081 R)
• M9: 5,134,349 km (0.09 R)
• M10: 5,756,526 km (0.088 R)
• M11: 6,221,626 km (0.086 R)
• M12: 6,892,722 km (0.113 R)
• M13: 8,761,199 km (0.069 R)
• M14: 10,550,689 km (0.078 R)
• M15: 11,249,012 km (0.07 R)
• M16: 14,234,088 km (0.096 R)
• M17: 16,627,355 km (0.106 R)
• M18: 17,028,277 km (0.07 R)
• M19: 17,989,144 km (0.094 R)
• M20: 20,625,806 km (0.094 R)
• M21: 21,876,445 km (0.087 R)
• M22: 22,277,517 km (0.112 R)
• M23: 23,011,743 km (0.074 R)
• M24: 25,753,573 km (0.114 R)
• M25: 27,947,725 km (0.094 R)
• M26: 32,600,966 km (0.071 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: 438 - 17,557 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit