🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338

Radius: 12.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.79 AU - 0.95 AU

Year: 524 Days

Day: 13.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 79,645,847 km

• M1: 155,582 km (0.096 R)
• M2: 600,037 km (0.067 R)
• M3: 1,113,906 km (0.075 R)
• M4: 1,817,465 km (0.045 R)
• M5: 2,514,890 km (0.108 R)
• M6: 2,942,441 km (0.053 R)
• M7: 4,151,191 km (0.054 R)
• M8: 5,120,436 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.2

Radius: 14.6

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.62 AU - 2.14 AU

Year: 1664 Days

Day: 10.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,645,847 km

• M1: 182,360 km (0.115 R)
• M2: 1,157,888 km (0.07 R)
• M3: 1,996,533 km (0.038 R)
• M4: 3,448,231 km (0.089 R)
• M5: 4,059,189 km (0.06 R)
• M6: 5,940,531 km (0.042 R)
• M7: 7,144,346 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 11.5

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.07 AU - 4.83 AU

Year: 5069 Days

Day: 9.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,645,847 km

• M1: 147,055 km (0.105 R)
• M2: 509,979 km (0.097 R)
• M3: 1,064,538 km (0.106 R)
• M4: 2,470,609 km (0.092 R)
• M5: 3,164,893 km (0.099 R)
• M6: 4,193,378 km (0.074 R)
• M7: 6,392,317 km (0.058 R)
• M8: 9,149,555 km (0.115 R)
• M9: 9,577,405 km (0.082 R)
• M10: 12,394,782 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835.1

Radius: 10.4

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.43 AU - 7.03 AU

Year: 8856 Days

Day: 14.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 79,645,847 km

• M1: 129,402 km (0.12 R)
• M2: 687,552 km (0.108 R)
• M3: 1,289,833 km (0.107 R)
• M4: 1,716,336 km (0.083 R)
• M5: 2,254,141 km (0.083 R)
• M6: 2,795,835 km (0.085 R)
• M7: 3,719,003 km (0.106 R)
• M8: 4,113,642 km (0.098 R)
• M9: 5,806,641 km (0.09 R)
• M10: 7,421,850 km (0.106 R)
• M11: 8,267,377 km (0.081 R)
• M12: 9,654,448 km (0.061 R)
• M13: 10,609,631 km (0.061 R)
• M14: 12,244,436 km (0.1 R)
• M15: 16,913,386 km (0.082 R)
• M16: 19,290,047 km (0.053 R)
• M17: 19,996,747 km (0.099 R)
• M18: 22,910,016 km (0.078 R)
• M19: 23,348,039 km (0.108 R)
• M20: 24,150,631 km (0.118 R)
• M21: 24,787,619 km (0.054 R)
• M22: 28,241,385 km (0.094 R)
• M23: 28,948,385 km (0.114 R)
• M24: 35,851,728 km (0.045 R)
• M25: 39,119,394 km (0.074 R)
• M26: 41,017,941 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.8

Radius: 10.7

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.81 AU - 5.89 AU

Year: 9136 Days

Day: 14.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 79,645,847 km

• M1: 133,142 km (0.085 R)
• M2: 510,578 km (0.115 R)
• M3: 859,440 km (0.107 R)
• M4: 3,692,524 km (0.05 R)
• M5: 4,859,238 km (0.065 R)
• M6: 9,734,034 km (0.093 R)
• M7: 10,552,035 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 639.4

Radius: 6.5

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.25 AU - 8.29 AU

Year: 15356 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,645,847 km

• M1: 80,783 km (0.085 R)
• M2: 487,988 km (0.078 R)
• M3: 899,382 km (0.079 R)
• M4: 1,492,239 km (0.089 R)
• M5: 1,728,753 km (0.077 R)
• M6: 1,971,999 km (0.091 R)
• M7: 2,258,180 km (0.094 R)
• M8: 2,819,920 km (0.091 R)
• M9: 3,158,909 km (0.092 R)
• M10: 3,470,820 km (0.092 R)
• M11: 3,860,523 km (0.113 R)
• M12: 4,596,095 km (0.116 R)
• M13: 4,894,842 km (0.11 R)
• M14: 5,206,455 km (0.111 R)
• M15: 8,389,748 km (0.084 R)
• M16: 8,735,917 km (0.099 R)
• M17: 8,988,887 km (0.11 R)
• M18: 9,995,531 km (0.096 R)
• M19: 10,668,722 km (0.071 R)
• M20: 12,230,524 km (0.055 R)
• M21: 12,675,727 km (0.1 R)
• M22: 13,733,982 km (0.088 R)
• M23: 14,007,447 km (0.101 R)
• M24: 16,868,058 km (0.109 R)
• M25: 22,462,270 km (0.071 R)
• M26: 28,842,769 km (0.088 R)
• M27: 30,088,171 km (0.115 R)
• M28: 33,051,256 km (0.03 R)
• M29: 33,542,835 km (0.112 R)
• M30: 38,864,928 km (0.059 R)
• M31: 39,826,394 km (0.11 R)
• M32: 40,104,048 km (0.059 R)
• M33: 40,663,244 km (0.113 R)
• M34: 41,940,212 km (0.092 R)
• M35: 45,779,043 km (0.115 R)
• M36: 46,389,701 km (0.116 R)
• M37: 49,845,861 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.8

Radius: 3.4

Gravity: 43.93 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 7.24 AU - 11.86 AU

Year: 19055 Days

Day: 15.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,645,847 km

• M1: 42,336 km (0.116 R)
• M2: 166,353 km (0.087 R)
• M3: 280,945 km (0.103 R)
• M4: 450,589 km (0.111 R)
• M5: 704,606 km (0.069 R)
• M6: 918,082 km (0.08 R)
• M7: 1,058,704 km (0.109 R)
• M8: 1,413,101 km (0.063 R)
• M9: 1,520,812 km (0.11 R)
• M10: 1,805,646 km (0.118 R)
• M11: 1,914,404 km (0.087 R)
• M12: 2,246,362 km (0.109 R)
• M13: 2,923,890 km (0.072 R)
• M14: 5,193,739 km (0.081 R)
• M15: 6,277,875 km (0.115 R)
• M16: 6,402,190 km (0.088 R)
• M17: 6,570,638 km (0.039 R)
• M18: 7,049,201 km (0.092 R)
• M19: 9,574,862 km (0.079 R)
• M20: 10,303,553 km (0.076 R)
• M21: 11,433,915 km (0.115 R)
• M22: 16,310,656 km (0.107 R)
• M23: 18,681,932 km (0.116 R)
• M24: 22,123,580 km (0.066 R)
• M25: 23,891,827 km (0.096 R)
• M26: 26,071,319 km (0.037 R)
• M27: 37,595,441 km (0.116 R)
• M28: 42,131,099 km (0.096 R)
• M29: 49,926,494 km (0.109 R)
• M30: 58,629,350 km (0.074 R)
• M31: 58,813,056 km (0.111 R)
• M32: 60,670,763 km (0.106 R)
• M33: 63,918,084 km (0.114 R)
• M34: 65,288,251 km (0.087 R)
• M35: 66,278,738 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.1

Radius: 7.6

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 8.14 AU - 13.42 AU

Year: 22853 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,645,847 km

• M1: 94,546 km (0.093 R)
• M2: 564,433 km (0.11 R)
• M3: 1,237,324 km (0.1 R)
• M4: 2,893,672 km (0.1 R)
• M5: 6,948,223 km (0.108 R)
• M6: 9,593,113 km (0.083 R)
• M7: 12,718,362 km (0.028 R)
• M8: 31,176,645 km (0.098 R)
• M9: 48,861,657 km (0.107 R)
• M10: 53,935,568 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.2

Radius: 3.7

Gravity: 43.48 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 10.54 AU - 11.64 AU

Year: 23846 Days

Day: 21.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,645,847 km

• M1: 47,572 km (0.09 R)
• M2: 166,951 km (0.115 R)
• M3: 299,944 km (0.037 R)
• M4: 483,351 km (0.115 R)
• M5: 623,524 km (0.109 R)
• M6: 1,480,121 km (0.112 R)
• M7: 1,652,009 km (0.08 R)
• M8: 2,795,535 km (0.098 R)
• M9: 3,281,280 km (0.109 R)
• M10: 3,948,785 km (0.028 R)
• M11: 5,307,284 km (0.042 R)
• M12: 7,782,530 km (0.11 R)
• M13: 8,092,048 km (0.03 R)
• M14: 10,742,623 km (0.099 R)
• M15: 11,785,470 km (0.083 R)
• M16: 12,681,112 km (0.053 R)
• M17: 12,893,990 km (0.109 R)
• M18: 15,720,043 km (0.065 R)
• M19: 16,048,261 km (0.062 R)
• M20: 16,888,852 km (0.11 R)
• M21: 26,042,596 km (0.102 R)
• M22: 27,912,719 km (0.099 R)
• M23: 28,515,000 km (0.117 R)
• M24: 33,513,364 km (0.088 R)
• M25: 38,617,494 km (0.056 R)
• M26: 40,122,149 km (0.096 R)
• M27: 45,363,909 km (0.104 R)
• M28: 46,028,722 km (0.032 R)
• M29: 47,719,028 km (0.098 R)
• M30: 51,223,059 km (0.074 R)
• M31: 52,671,466 km (0.102 R)
• M32: 59,925,017 km (0.12 R)
• M33: 61,329,891 km (0.096 R)
• M34: 62,756,606 km (0.111 R)
• M35: 76,606,078 km (0.086 R)
• M36: 77,076,264 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528

Radius: 4.2

Gravity: 29.93 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 10.71 AU - 11.81 AU

Year: 24396 Days

Day: 21.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,645,847 km

• M1: 52,359 km (0.085 R)
• M2: 305,030 km (0.11 R)
• M3: 486,193 km (0.091 R)
• M4: 911,350 km (0.089 R)
• M5: 1,689,558 km (0.107 R)
• M6: 1,837,211 km (0.077 R)
• M7: 2,563,808 km (0.118 R)
• M8: 4,351,054 km (0.098 R)
• M9: 4,883,473 km (0.044 R)
• M10: 5,108,169 km (0.104 R)
• M11: 5,418,435 km (0.072 R)
• M12: 6,694,654 km (0.09 R)
• M13: 7,648,939 km (0.065 R)
• M14: 11,373,328 km (0.085 R)
• M15: 12,036,495 km (0.046 R)
• M16: 14,255,929 km (0.117 R)
• M17: 17,073,156 km (0.071 R)
• M18: 19,671,372 km (0.116 R)
• M19: 21,410,148 km (0.109 R)
• M20: 27,003,313 km (0.117 R)
• M21: 31,270,742 km (0.041 R)
• M22: 31,914,761 km (0.027 R)
• M23: 33,229,427 km (0.104 R)
• M24: 33,496,609 km (0.074 R)
• M25: 38,849,669 km (0.1 R)
• M26: 41,418,564 km (0.047 R)
• M27: 43,937,643 km (0.118 R)
• M28: 46,891,453 km (0.1 R)
• M29: 47,904,829 km (0.077 R)
• M30: 50,501,848 km (0.099 R)
• M31: 55,597,749 km (0.051 R)
• M32: 58,269,567 km (0.072 R)
• M33: 60,826,045 km (0.086 R)
• M34: 61,426,531 km (0.088 R)
• M35: 68,509,542 km (0.047 R)
• M36: 71,355,492 km (0.051 R)
• M37: 75,886,213 km (0.101 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 19,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit