🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.4

Radius: 10

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.78 AU - 0.82 AU

Year: 485 Days

Day: 13.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 76,486,690 km

• M1: 124,465 km (0.099 R)
• M2: 499,358 km (0.116 R)
• M3: 820,395 km (0.118 R)
• M4: 1,143,676 km (0.098 R)
• M5: 1,473,240 km (0.071 R)
• M6: 2,165,579 km (0.094 R)
• M7: 2,558,872 km (0.117 R)
• M8: 2,982,383 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 13.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.86 AU - 1.4 AU

Year: 815 Days

Day: 6.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,486,690 km

• M1: 162,912 km (0.118 R)
• M2: 806,333 km (0.062 R)
• M3: 1,236,726 km (0.111 R)
• M4: 1,719,628 km (0.115 R)
• M5: 2,862,854 km (0.104 R)
• M6: 3,506,275 km (0.041 R)
• M7: 3,987,531 km (0.119 R)
• M8: 4,512,919 km (0.113 R)
• M9: 5,121,483 km (0.057 R)
• M10: 6,052,730 km (0.101 R)
• M11: 6,460,085 km (0.061 R)
• M12: 7,645,199 km (0.113 R)
• M13: 8,276,801 km (0.048 R)
• M14: 8,779,899 km (0.094 R)
• M15: 9,673,597 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 118

Radius: 9.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 1.88 AU - 2.5 AU

Year: 2198 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 76,486,690 km

• M1: 121,025 km (0.09 R)
• M2: 734,675 km (0.115 R)
• M3: 1,085,183 km (0.113 R)
• M4: 1,699,432 km (0.104 R)
• M5: 2,308,894 km (0.116 R)
• M6: 2,718,941 km (0.115 R)
• M7: 3,425,342 km (0.035 R)
• M8: 4,315,300 km (0.091 R)
• M9: 4,995,671 km (0.118 R)
• M10: 5,566,537 km (0.094 R)
• M11: 7,713,416 km (0.034 R)
• M12: 8,063,475 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.1

Radius: 11.4

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.71 AU - 3.65 AU

Year: 3846 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 76,486,690 km

• M1: 141,819 km (0.076 R)
• M2: 646,712 km (0.073 R)
• M3: 1,696,589 km (0.11 R)
• M4: 2,093,622 km (0.113 R)
• M5: 2,815,731 km (0.111 R)
• M6: 6,556,127 km (0.1 R)
• M7: 7,025,266 km (0.113 R)
• M8: 7,900,264 km (0.108 R)
• M9: 9,866,877 km (0.09 R)
• M10: 10,444,774 km (0.113 R)
• M11: 11,795,942 km (0.102 R)
• M12: 12,580,433 km (0.103 R)
• M13: 14,060,554 km (0.094 R)
• M14: 15,756,994 km (0.099 R)
• M15: 20,900,468 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774

Radius: 13.1

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.61 AU - 5.25 AU

Year: 6324 Days

Day: 12.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 76,486,690 km

• M1: 175,478 km (0.098 R)
• M2: 681,867 km (0.077 R)
• M3: 1,141,731 km (0.094 R)
• M4: 1,564,495 km (0.105 R)
• M5: 2,140,746 km (0.046 R)
• M6: 2,650,126 km (0.077 R)
• M7: 3,261,084 km (0.087 R)
• M8: 3,844,815 km (0.089 R)
• M9: 4,418,672 km (0.057 R)
• M10: 5,553,372 km (0.062 R)
• M11: 5,993,639 km (0.079 R)
• M12: 7,016,290 km (0.119 R)
• M13: 7,531,954 km (0.036 R)
• M14: 9,363,331 km (0.1 R)
• M15: 12,088,705 km (0.107 R)
• M16: 12,723,598 km (0.034 R)
• M17: 17,077,345 km (0.094 R)
• M18: 18,149,662 km (0.1 R)
• M19: 19,480,635 km (0.092 R)
• M20: 21,790,426 km (0.071 R)
• M21: 22,257,770 km (0.117 R)
• M22: 22,731,696 km (0.054 R)
• M23: 23,374,219 km (0.059 R)
• M24: 25,718,866 km (0.118 R)
• M25: 26,504,704 km (0.076 R)
• M26: 36,563,814 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.8

Radius: 11.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.94 AU - 5.26 AU

Year: 6692 Days

Day: 7 Hours

Environment

Temp: -230 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,486,690 km

• M1: 156,629 km (0.042 R)
• M2: 554,260 km (0.035 R)
• M3: 991,535 km (0.107 R)
• M4: 1,558,959 km (0.107 R)
• M5: 2,412,116 km (0.051 R)
• M6: 2,804,062 km (0.038 R)
• M7: 3,614,434 km (0.061 R)
• M8: 4,407,752 km (0.087 R)
• M9: 5,394,200 km (0.08 R)
• M10: 6,308,991 km (0.071 R)
• M11: 6,677,600 km (0.12 R)
• M12: 9,596,554 km (0.11 R)
• M13: 11,425,687 km (0.107 R)
• M14: 12,162,307 km (0.065 R)
• M15: 13,527,238 km (0.093 R)
• M16: 14,142,534 km (0.074 R)
• M17: 15,045,955 km (0.074 R)
• M18: 15,931,126 km (0.112 R)
• M19: 16,329,056 km (0.065 R)
• M20: 17,805,139 km (0.048 R)
• M21: 20,348,751 km (0.07 R)
• M22: 21,499,907 km (0.042 R)
• M23: 23,416,704 km (0.082 R)
• M24: 23,931,770 km (0.118 R)
• M25: 24,832,199 km (0.091 R)
• M26: 25,910,950 km (0.093 R)
• M27: 26,382,781 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.1

Radius: 7.4

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.59 AU - 10.23 AU

Year: 19578 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,486,690 km

• M1: 92,451 km (0.025 R)
• M2: 508,483 km (0.108 R)
• M3: 740,659 km (0.119 R)
• M4: 1,450,351 km (0.089 R)
• M5: 1,751,193 km (0.113 R)
• M6: 2,134,163 km (0.057 R)
• M7: 2,367,835 km (0.114 R)
• M8: 2,666,432 km (0.084 R)
• M9: 3,147,988 km (0.076 R)
• M10: 3,806,817 km (0.095 R)
• M11: 6,467,415 km (0.081 R)
• M12: 7,527,914 km (0.088 R)
• M13: 8,227,733 km (0.057 R)
• M14: 9,134,895 km (0.087 R)
• M15: 9,641,433 km (0.073 R)
• M16: 10,048,040 km (0.091 R)
• M17: 13,652,451 km (0.1 R)
• M18: 16,265,477 km (0.06 R)
• M19: 16,758,851 km (0.108 R)
• M20: 17,517,611 km (0.109 R)
• M21: 19,376,814 km (0.063 R)
• M22: 20,024,722 km (0.091 R)
• M23: 20,782,735 km (0.116 R)
• M24: 21,071,907 km (0.101 R)
• M25: 25,079,335 km (0.102 R)
• M26: 31,935,854 km (0.064 R)
• M27: 32,192,265 km (0.118 R)
• M28: 33,760,051 km (0.087 R)
• M29: 43,145,073 km (0.115 R)
• M30: 48,513,991 km (0.06 R)
• M31: 52,865,943 km (0.095 R)
• M32: 57,282,072 km (0.105 R)
• M33: 58,423,354 km (0.084 R)
• M34: 58,807,073 km (0.094 R)
• M35: 60,359,001 km (0.077 R)
• M36: 73,100,252 km (0.107 R)
• M37: 74,893,631 km (0.058 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 14,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit