🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.8

Radius: 10.9

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.51 AU - 2.43 AU

Year: 1785 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,353,133 km

• M1: 135,536 km (0.082 R)
• M2: 495,019 km (0.03 R)
• M3: 1,291,778 km (0.037 R)
• M4: 2,281,068 km (0.046 R)
• M5: 2,933,315 km (0.098 R)
• M6: 4,007,727 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 13.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 4.02 AU - 5.16 AU

Year: 6349 Days

Day: 6.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,353,133 km

• M1: 212,579 km (0.082 R)
• M2: 858,393 km (0.098 R)
• M3: 1,344,137 km (0.035 R)
• M4: 1,880,146 km (0.114 R)
• M5: 3,109,242 km (0.119 R)
• M6: 3,919,464 km (0.057 R)
• M7: 4,386,210 km (0.086 R)
• M8: 5,330,920 km (0.094 R)
• M9: 6,727,267 km (0.101 R)
• M10: 9,133,249 km (0.111 R)
• M11: 9,653,251 km (0.083 R)
• M12: 11,081,761 km (0.074 R)
• M13: 13,962,717 km (0.104 R)
• M14: 15,264,518 km (0.084 R)
• M15: 15,786,315 km (0.112 R)
• M16: 18,224,910 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.5

Radius: 14.1

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.85 AU - 5.53 AU

Year: 6558 Days

Day: 10.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,353,133 km

• M1: 175,329 km (0.114 R)
• M2: 724,802 km (0.096 R)
• M3: 1,316,312 km (0.078 R)
• M4: 1,930,561 km (0.11 R)
• M5: 2,583,106 km (0.091 R)
• M6: 3,714,665 km (0.042 R)
• M7: 4,571,262 km (0.061 R)
• M8: 6,050,486 km (0.109 R)
• M9: 6,729,810 km (0.046 R)
• M10: 8,422,211 km (0.115 R)
• M11: 9,173,491 km (0.115 R)
• M12: 12,434,725 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.4

Radius: 11.5

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 5.06 AU - 6.72 AU

Year: 9230 Days

Day: 7.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,353,133 km

• M1: 143,165 km (0.092 R)
• M2: 649,404 km (0.106 R)
• M3: 1,508,395 km (0.077 R)
• M4: 1,929,962 km (0.12 R)
• M5: 2,662,393 km (0.106 R)
• M6: 3,450,624 km (0.083 R)
• M7: 3,952,226 km (0.112 R)
• M8: 5,824,294 km (0.072 R)
• M9: 7,593,289 km (0.104 R)
• M10: 7,969,228 km (0.108 R)
• M11: 8,489,829 km (0.079 R)
• M12: 9,033,019 km (0.095 R)
• M13: 12,445,944 km (0.111 R)
• M14: 16,636,630 km (0.07 R)
• M15: 23,571,837 km (0.096 R)
• M16: 24,555,443 km (0.074 R)
• M17: 25,103,271 km (0.119 R)
• M18: 26,795,971 km (0.082 R)
• M19: 30,198,873 km (0.043 R)
• M20: 31,680,191 km (0.072 R)
• M21: 42,119,131 km (0.06 R)
• M22: 43,966,814 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.5

Radius: 12.9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 4.48 AU - 7.44 AU

Year: 9395 Days

Day: 5.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,353,133 km

• M1: 166,951 km (0.057 R)
• M2: 636,090 km (0.095 R)
• M3: 2,029,594 km (0.115 R)
• M4: 2,562,612 km (0.107 R)
• M5: 3,210,819 km (0.116 R)
• M6: 3,811,305 km (0.115 R)
• M7: 4,747,638 km (0.101 R)
• M8: 6,996,692 km (0.077 R)
• M9: 8,530,669 km (0.039 R)
• M10: 8,935,630 km (0.107 R)
• M11: 10,029,340 km (0.114 R)
• M12: 10,998,585 km (0.117 R)
• M13: 14,095,111 km (0.113 R)
• M14: 21,700,817 km (0.082 R)
• M15: 22,457,932 km (0.082 R)
• M16: 29,367,259 km (0.077 R)
• M17: 30,397,988 km (0.088 R)
• M18: 32,640,909 km (0.112 R)
• M19: 36,267,760 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.5

Radius: 3.5

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.68 AU - 7.66 AU

Year: 9896 Days

Day: 21.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,353,133 km

• M1: 46,076 km (0.047 R)
• M2: 260,899 km (0.078 R)
• M3: 418,276 km (0.09 R)
• M4: 810,671 km (0.085 R)
• M5: 1,114,504 km (0.107 R)
• M6: 1,571,376 km (0.101 R)
• M7: 1,835,267 km (0.118 R)
• M8: 3,023,074 km (0.049 R)
• M9: 4,571,262 km (0.11 R)
• M10: 5,740,220 km (0.065 R)
• M11: 6,455,298 km (0.113 R)
• M12: 6,931,318 km (0.112 R)
• M13: 7,194,461 km (0.085 R)
• M14: 7,952,623 km (0.108 R)
• M15: 8,351,002 km (0.113 R)
• M16: 8,686,849 km (0.056 R)
• M17: 13,344,429 km (0.096 R)
• M18: 14,114,559 km (0.088 R)
• M19: 14,697,841 km (0.116 R)
• M20: 15,742,932 km (0.104 R)
• M21: 16,370,046 km (0.106 R)
• M22: 21,371,253 km (0.116 R)
• M23: 21,509,631 km (0.064 R)
• M24: 23,216,542 km (0.091 R)
• M25: 23,362,849 km (0.069 R)
• M26: 23,879,411 km (0.119 R)
• M27: 24,858,828 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 827.6

Radius: 5.4

Gravity: 28.38 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.68 AU - 6.83 AU

Year: 10089 Days

Day: 23.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 51,353,133 km

• M1: 67,169 km (0.118 R)
• M2: 258,206 km (0.12 R)
• M3: 430,094 km (0.082 R)
• M4: 643,570 km (0.113 R)
• M5: 968,497 km (0.094 R)
• M6: 2,082,851 km (0.11 R)
• M7: 2,284,958 km (0.105 R)
• M8: 2,643,993 km (0.119 R)
• M9: 2,948,424 km (0.077 R)
• M10: 5,425,915 km (0.107 R)
• M11: 5,703,568 km (0.102 R)
• M12: 6,830,340 km (0.057 R)
• M13: 7,920,609 km (0.068 R)
• M14: 9,268,186 km (0.041 R)
• M15: 10,546,799 km (0.069 R)
• M16: 13,828,977 km (0.091 R)
• M17: 14,151,510 km (0.116 R)
• M18: 17,507,888 km (0.067 R)
• M19: 19,692,166 km (0.086 R)
• M20: 21,444,855 km (0.102 R)
• M21: 22,403,179 km (0.119 R)
• M22: 22,669,463 km (0.08 R)
• M23: 23,027,750 km (0.085 R)
• M24: 23,572,286 km (0.12 R)
• M25: 24,404,948 km (0.099 R)
• M26: 25,257,207 km (0.1 R)
• M27: 26,522,954 km (0.111 R)
• M28: 27,121,196 km (0.051 R)
• M29: 29,924,960 km (0.08 R)
• M30: 30,140,081 km (0.093 R)
• M31: 31,897,856 km (0.088 R)
• M32: 34,072,561 km (0.086 R)
• M33: 35,495,835 km (0.108 R)
• M34: 37,829,711 km (0.045 R)
• M35: 38,460,565 km (0.116 R)
• M36: 39,743,068 km (0.108 R)
• M37: 41,452,672 km (0.079 R)
• M38: 43,210,597 km (0.118 R)
• M39: 44,876,818 km (0.061 R)
• M40: 49,980,798 km (0.118 R)
• M41: 50,587,717 km (0.045 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 13,628 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit