🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.7

Radius: 9

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.59 AU - 0.79 AU

Year: 382 Days

Day: 12.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 50,011,259 km

• M1: 111,899 km (0.101 R)
• M2: 493,224 km (0.089 R)
• M3: 791,672 km (0.09 R)
• M4: 1,137,991 km (0.1 R)
• M5: 2,060,411 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.8

Radius: 14.2

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.1 AU - 3.22 AU

Year: 2893 Days

Day: 10.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,011,259 km

• M1: 176,675 km (0.083 R)
• M2: 651,200 km (0.066 R)
• M3: 1,133,952 km (0.036 R)
• M4: 1,631,664 km (0.103 R)
• M5: 2,409,723 km (0.11 R)
• M6: 3,619,520 km (0.09 R)
• M7: 4,310,064 km (0.109 R)
• M8: 4,906,810 km (0.116 R)
• M9: 5,414,097 km (0.057 R)
• M10: 6,320,061 km (0.054 R)
• M11: 7,325,060 km (0.047 R)
• M12: 8,466,491 km (0.08 R)
• M13: 9,302,594 km (0.101 R)
• M14: 10,602,749 km (0.085 R)
• M15: 11,455,158 km (0.076 R)
• M16: 11,938,957 km (0.114 R)
• M17: 17,086,470 km (0.076 R)
• M18: 17,612,606 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.6

Radius: 10.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.77 AU - 3.83 AU

Year: 4940 Days

Day: 12.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,011,259 km

• M1: 133,142 km (0.119 R)
• M2: 473,477 km (0.079 R)
• M3: 1,146,368 km (0.045 R)
• M4: 1,712,896 km (0.058 R)
• M5: 2,399,101 km (0.071 R)
• M6: 3,044,616 km (0.115 R)
• M7: 3,905,552 km (0.117 R)
• M8: 7,055,335 km (0.103 R)
• M9: 8,343,971 km (0.096 R)
• M10: 9,323,986 km (0.027 R)
• M11: 10,956,398 km (0.078 R)
• M12: 11,511,706 km (0.076 R)
• M13: 14,371,867 km (0.091 R)
• M14: 14,779,073 km (0.107 R)
• M15: 15,563,564 km (0.115 R)
• M16: 16,156,271 km (0.046 R)
• M17: 19,348,540 km (0.095 R)
• M18: 20,223,687 km (0.091 R)
• M19: 22,663,778 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.6

Radius: 9.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.5 AU - 5.78 AU

Year: 6665 Days

Day: 13.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,011,259 km

• M1: 232,774 km (0.109 R)
• M2: 528,230 km (0.118 R)
• M3: 903,870 km (0.055 R)
• M4: 1,787,096 km (0.112 R)
• M5: 2,778,780 km (0.114 R)
• M6: 3,235,652 km (0.096 R)
• M7: 3,560,878 km (0.11 R)
• M8: 4,506,037 km (0.109 R)
• M9: 4,987,294 km (0.118 R)
• M10: 6,609,384 km (0.066 R)
• M11: 7,656,419 km (0.117 R)
• M12: 10,732,151 km (0.043 R)
• M13: 11,503,478 km (0.111 R)
• M14: 11,992,813 km (0.088 R)
• M15: 12,729,283 km (0.107 R)
• M16: 15,278,580 km (0.107 R)
• M17: 16,088,802 km (0.114 R)
• M18: 16,588,609 km (0.106 R)
• M19: 20,317,186 km (0.113 R)
• M20: 22,582,247 km (0.074 R)
• M21: 23,491,054 km (0.102 R)
• M22: 23,990,412 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 948.4

Radius: 12.8

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.36 AU - 4.98 AU

Year: 6730 Days

Day: 6.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,011,259 km

• M1: 159,172 km (0.068 R)
• M2: 643,570 km (0.104 R)
• M3: 1,262,606 km (0.119 R)
• M4: 3,385,849 km (0.075 R)
• M5: 4,402,217 km (0.09 R)
• M6: 4,821,539 km (0.082 R)
• M7: 6,417,300 km (0.059 R)
• M8: 7,070,444 km (0.097 R)
• M9: 8,595,295 km (0.109 R)
• M10: 9,758,419 km (0.12 R)
• M11: 10,281,114 km (0.114 R)
• M12: 11,279,231 km (0.081 R)
• M13: 11,696,160 km (0.093 R)
• M14: 12,727,936 km (0.081 R)
• M15: 13,180,171 km (0.049 R)
• M16: 13,878,643 km (0.057 R)
• M17: 15,668,731 km (0.093 R)
• M18: 16,787,125 km (0.105 R)
• M19: 17,331,512 km (0.118 R)
• M20: 19,852,984 km (0.032 R)
• M21: 20,461,997 km (0.089 R)
• M22: 22,610,073 km (0.086 R)
• M23: 23,023,860 km (0.101 R)
• M24: 28,583,067 km (0.12 R)
• M25: 36,542,870 km (0.114 R)
• M26: 39,215,436 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.1

Radius: 6.5

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.49 AU - 7.11 AU

Year: 9315 Days

Day: 21.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,011,259 km

• M1: 80,932 km (0.063 R)
• M2: 452,234 km (0.088 R)
• M3: 706,700 km (0.112 R)
• M4: 1,047,484 km (0.087 R)
• M5: 1,433,148 km (0.077 R)
• M6: 2,266,557 km (0.087 R)
• M7: 2,504,717 km (0.12 R)
• M8: 3,721,995 km (0.032 R)
• M9: 4,153,734 km (0.106 R)
• M10: 4,538,650 km (0.034 R)
• M11: 5,088,272 km (0.077 R)
• M12: 8,006,628 km (0.064 R)
• M13: 8,241,646 km (0.11 R)
• M14: 17,369,659 km (0.037 R)
• M15: 19,471,958 km (0.112 R)
• M16: 20,914,979 km (0.086 R)
• M17: 23,290,144 km (0.099 R)
• M18: 30,618,346 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.8

Radius: 3.1

Gravity: 71.78 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.39 AU - 7.27 AU

Year: 10620 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 50,011,259 km

• M1: 42,486 km (0.098 R)
• M2: 224,696 km (0.025 R)
• M3: 330,013 km (0.09 R)
• M4: 469,139 km (0.037 R)
• M5: 687,103 km (0.09 R)
• M6: 1,512,883 km (0.115 R)
• M7: 2,549,297 km (0.051 R)
• M8: 3,025,767 km (0.088 R)
• M9: 3,165,341 km (0.119 R)
• M10: 4,808,076 km (0.109 R)
• M11: 5,394,200 km (0.045 R)
• M12: 5,704,466 km (0.11 R)
• M13: 7,907,444 km (0.105 R)
• M14: 9,147,760 km (0.108 R)
• M15: 10,406,626 km (0.102 R)
• M16: 10,565,050 km (0.104 R)
• M17: 10,940,990 km (0.057 R)
• M18: 12,653,437 km (0.1 R)
• M19: 13,200,067 km (0.11 R)
• M20: 13,699,126 km (0.062 R)
• M21: 15,407,533 km (0.092 R)
• M22: 16,455,018 km (0.117 R)
• M23: 17,698,625 km (0.104 R)
• M24: 18,846,639 km (0.107 R)
• M25: 19,240,081 km (0.094 R)
• M26: 20,701,952 km (0.077 R)
• M27: 20,952,528 km (0.117 R)
• M28: 22,236,228 km (0.098 R)
• M29: 26,010,283 km (0.119 R)
• M30: 27,692,810 km (0.072 R)
• M31: 30,189,598 km (0.063 R)
• M32: 32,269,607 km (0.06 R)
• M33: 34,209,742 km (0.06 R)
• M34: 38,195,328 km (0.091 R)
• M35: 38,698,426 km (0.119 R)
• M36: 46,071,806 km (0.062 R)
• M37: 46,356,191 km (0.09 R)
• M38: 46,928,702 km (0.112 R)
• M39: 48,380,251 km (0.058 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: 180 - 15,618 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit