🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.69 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.4

Radius: 8.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.07 AU - 1.69 AU

Year: 1047 Days

Day: 7.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 33,326,390 km

• M1: 109,057 km (0.04 R)
• M2: 389,852 km (0.112 R)
• M3: 660,475 km (0.118 R)
• M4: 981,212 km (0.055 R)
• M5: 1,318,556 km (0.096 R)
• M6: 1,689,708 km (0.08 R)
• M7: 2,040,066 km (0.119 R)
• M8: 2,575,028 km (0.11 R)
• M9: 2,926,284 km (0.062 R)
• M10: 3,227,574 km (0.102 R)
• M11: 3,520,636 km (0.114 R)
• M12: 4,017,451 km (0.069 R)
• M13: 4,787,281 km (0.083 R)
• M14: 5,263,900 km (0.03 R)
• M15: 6,529,049 km (0.105 R)
• M16: 6,954,506 km (0.08 R)
• M17: 7,985,834 km (0.071 R)
• M18: 8,316,894 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552

Radius: 14

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.49 AU - 1.89 AU

Year: 1419 Days

Day: 7.3 Hours

Environment

Temp: -182 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,326,390 km

• M1: 174,132 km (0.111 R)
• M2: 731,982 km (0.072 R)
• M3: 1,488,349 km (0.113 R)
• M4: 1,974,692 km (0.083 R)
• M5: 2,795,984 km (0.093 R)
• M6: 3,442,995 km (0.057 R)
• M7: 3,934,125 km (0.101 R)
• M8: 6,888,832 km (0.115 R)
• M9: 9,334,907 km (0.117 R)
• M10: 10,426,822 km (0.097 R)
• M11: 11,020,726 km (0.106 R)
• M12: 11,742,086 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.2

Radius: 11.3

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.5 AU - 1.88 AU

Year: 1419 Days

Day: 11.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,326,390 km

• M1: 140,622 km (0.07 R)
• M2: 501,901 km (0.109 R)
• M3: 954,584 km (0.085 R)
• M4: 1,472,791 km (0.075 R)
• M5: 1,862,045 km (0.12 R)
• M6: 2,497,985 km (0.11 R)
• M7: 2,854,327 km (0.119 R)
• M8: 3,392,730 km (0.091 R)
• M9: 4,362,872 km (0.119 R)
• M10: 5,020,505 km (0.101 R)
• M11: 5,657,193 km (0.111 R)
• M12: 6,140,993 km (0.107 R)
• M13: 7,017,337 km (0.072 R)
• M14: 8,331,405 km (0.096 R)
• M15: 8,900,774 km (0.075 R)
• M16: 9,617,946 km (0.116 R)
• M17: 10,180,733 km (0.097 R)
• M18: 10,666,478 km (0.088 R)
• M19: 11,032,544 km (0.058 R)
• M20: 11,931,178 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.4

Radius: 10.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.29 AU - 3.19 AU

Year: 2928 Days

Day: 5.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,326,390 km

• M1: 127,906 km (0.09 R)
• M2: 457,919 km (0.096 R)
• M3: 872,156 km (0.111 R)
• M4: 1,218,923 km (0.075 R)
• M5: 1,982,920 km (0.047 R)
• M6: 2,715,501 km (0.097 R)
• M7: 3,601,120 km (0.09 R)
• M8: 4,435,577 km (0.099 R)
• M9: 5,252,531 km (0.119 R)
• M10: 5,809,035 km (0.109 R)
• M11: 6,593,526 km (0.093 R)
• M12: 7,596,281 km (0.114 R)
• M13: 8,055,995 km (0.076 R)
• M14: 8,437,021 km (0.078 R)
• M15: 9,902,481 km (0.089 R)
• M16: 10,229,502 km (0.08 R)
• M17: 10,714,648 km (0.051 R)
• M18: 11,137,113 km (0.042 R)
• M19: 11,852,340 km (0.095 R)
• M20: 12,429,489 km (0.108 R)
• M21: 15,166,083 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.4

Radius: 12.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.53 AU - 7.29 AU

Year: 9277 Days

Day: 11.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 33,326,390 km

• M1: 157,975 km (0.094 R)
• M2: 792,270 km (0.105 R)
• M3: 1,457,083 km (0.09 R)
• M4: 1,931,608 km (0.096 R)
• M5: 2,880,657 km (0.099 R)
• M6: 3,357,126 km (0.106 R)
• M7: 3,988,130 km (0.098 R)
• M8: 4,498,258 km (0.108 R)
• M9: 5,298,158 km (0.066 R)
• M10: 6,190,659 km (0.083 R)
• M11: 6,728,463 km (0.074 R)
• M12: 7,734,509 km (0.099 R)
• M13: 8,793,812 km (0.096 R)
• M14: 10,190,009 km (0.105 R)
• M15: 11,044,212 km (0.105 R)
• M16: 13,536,064 km (0.091 R)
• M17: 14,881,547 km (0.045 R)
• M18: 15,392,275 km (0.06 R)
• M19: 17,624,125 km (0.094 R)
• M20: 19,756,643 km (0.037 R)
• M21: 20,218,451 km (0.107 R)
• M22: 22,056,112 km (0.079 R)
• M23: 22,804,699 km (0.098 R)
• M24: 23,570,042 km (0.11 R)
• M25: 25,877,589 km (0.077 R)
• M26: 32,832,693 km (0.089 R)
• M27: 37,085,312 km (0.045 R)
• M28: 40,075,325 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75

Radius: 3.4

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.31 AU - 10.75 AU

Year: 17521 Days

Day: 17 Hours

Environment

Temp: -219 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 33,326,390 km

• M1: 67,319 km (0.115 R)
• M2: 197,320 km (0.09 R)
• M3: 350,508 km (0.111 R)
• M4: 519,853 km (0.106 R)
• M5: 640,877 km (0.117 R)
• M6: 1,053,169 km (0.102 R)
• M7: 1,282,503 km (0.075 R)
• M8: 2,016,729 km (0.114 R)
• M9: 3,260,934 km (0.1 R)
• M10: 3,432,224 km (0.083 R)
• M11: 5,519,713 km (0.056 R)
• M12: 5,701,624 km (0.107 R)
• M13: 6,077,413 km (0.115 R)
• M14: 6,369,877 km (0.042 R)
• M15: 7,486,177 km (0.085 R)
• M16: 7,671,678 km (0.073 R)
• M17: 8,364,915 km (0.061 R)
• M18: 9,611,364 km (0.041 R)
• M19: 9,830,525 km (0.032 R)
• M20: 10,928,872 km (0.054 R)
• M21: 13,204,406 km (0.112 R)
• M22: 13,475,178 km (0.111 R)
• M23: 14,196,688 km (0.056 R)
• M24: 16,266,375 km (0.104 R)
• M25: 17,083,778 km (0.067 R)
• M26: 19,211,658 km (0.102 R)
• M27: 25,707,496 km (0.098 R)
• M28: 28,041,971 km (0.09 R)
• M29: 28,941,204 km (0.068 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 523 - 11,019 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit