🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.9

Radius: 9.8

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.61 AU - 0.65 AU

Year: 345 Days

Day: 13.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 22,274,211 km

• M1: 121,922 km (0.048 R)
• M2: 448,644 km (0.073 R)
• M3: 885,769 km (0.109 R)
• M4: 1,340,397 km (0.091 R)
• M5: 1,675,795 km (0.11 R)
• M6: 2,038,720 km (0.059 R)
• M7: 2,604,948 km (0.094 R)
• M8: 2,963,085 km (0.118 R)
• M9: 3,790,212 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.1

Radius: 8.5

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.6 AU - 1.7 AU

Year: 1463 Days

Day: 7.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,274,211 km

• M1: 105,766 km (0.113 R)
• M2: 396,734 km (0.083 R)
• M3: 703,559 km (0.103 R)
• M4: 994,227 km (0.11 R)
• M5: 1,525,749 km (0.11 R)
• M6: 1,851,573 km (0.049 R)
• M7: 2,486,017 km (0.091 R)
• M8: 2,999,437 km (0.105 R)
• M9: 4,370,352 km (0.111 R)
• M10: 4,908,605 km (0.1 R)
• M11: 5,603,039 km (0.055 R)
• M12: 7,376,222 km (0.094 R)
• M13: 8,139,471 km (0.096 R)
• M14: 9,429,902 km (0.09 R)
• M15: 10,260,020 km (0.052 R)
• M16: 10,640,298 km (0.117 R)
• M17: 11,137,861 km (0.095 R)
• M18: 12,372,342 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.6

Radius: 13.2

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.63 AU - 2.09 AU

Year: 1751 Days

Day: 13.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 22,274,211 km

• M1: 165,156 km (0.102 R)
• M2: 1,250,937 km (0.058 R)
• M3: 1,675,047 km (0.09 R)
• M4: 2,209,261 km (0.066 R)
• M5: 3,000,185 km (0.114 R)
• M6: 3,677,714 km (0.058 R)
• M7: 4,378,430 km (0.062 R)
• M8: 4,812,115 km (0.112 R)
• M9: 5,697,585 km (0.103 R)
• M10: 6,362,846 km (0.11 R)
• M11: 7,186,083 km (0.115 R)
• M12: 7,877,674 km (0.094 R)
• M13: 8,735,020 km (0.104 R)
• M14: 9,297,956 km (0.08 R)
• M15: 9,851,618 km (0.083 R)
• M16: 11,535,043 km (0.086 R)
• M17: 12,640,870 km (0.113 R)
• M18: 13,362,082 km (0.114 R)
• M19: 14,025,997 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.5

Radius: 8

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.8 AU - 2.1 AU

Year: 1880 Days

Day: 7.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,274,211 km

• M1: 100,231 km (0.058 R)
• M2: 359,184 km (0.077 R)
• M3: 685,457 km (0.086 R)
• M4: 1,168,509 km (0.082 R)
• M5: 1,844,093 km (0.114 R)
• M6: 2,386,236 km (0.078 R)
• M7: 3,166,538 km (0.096 R)
• M8: 3,992,169 km (0.107 R)
• M9: 4,750,480 km (0.104 R)
• M10: 5,067,777 km (0.066 R)
• M11: 5,379,539 km (0.085 R)
• M12: 9,041,396 km (0.12 R)
• M13: 9,795,818 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.5

Radius: 8.6

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.73 AU - 4.03 AU

Year: 4289 Days

Day: 9.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 22,274,211 km

• M1: 107,411 km (0.078 R)
• M2: 396,734 km (0.084 R)
• M3: 1,297,612 km (0.036 R)
• M4: 1,701,377 km (0.088 R)
• M5: 2,363,796 km (0.098 R)
• M6: 3,555,493 km (0.113 R)
• M7: 3,929,038 km (0.118 R)
• M8: 4,398,028 km (0.117 R)
• M9: 4,903,669 km (0.065 R)
• M10: 5,209,746 km (0.025 R)
• M11: 5,860,497 km (0.112 R)
• M12: 6,323,652 km (0.07 R)
• M13: 7,860,919 km (0.108 R)
• M14: 8,939,670 km (0.074 R)
• M15: 9,436,634 km (0.086 R)
• M16: 9,871,365 km (0.099 R)
• M17: 10,195,992 km (0.113 R)
• M18: 11,432,718 km (0.044 R)
• M19: 14,150,014 km (0.12 R)
• M20: 15,467,373 km (0.115 R)
• M21: 16,465,190 km (0.114 R)
• M22: 17,387,761 km (0.113 R)
• M23: 18,527,397 km (0.082 R)
• M24: 19,398,505 km (0.051 R)
• M25: 24,461,795 km (0.092 R)
• M26: 24,758,298 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.1

Radius: 11.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.68 AU - 5.42 AU

Year: 6699 Days

Day: 11 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 22,274,211 km

• M1: 146,756 km (0.096 R)
• M2: 601,084 km (0.11 R)
• M3: 1,291,778 km (0.056 R)
• M4: 1,775,278 km (0.103 R)
• M5: 2,294,233 km (0.083 R)
• M6: 3,262,879 km (0.105 R)
• M7: 4,354,196 km (0.077 R)
• M8: 5,366,824 km (0.097 R)
• M9: 6,669,223 km (0.059 R)
• M10: 11,377,367 km (0.043 R)
• M11: 12,096,185 km (0.096 R)
• M12: 13,567,779 km (0.098 R)
• M13: 14,494,388 km (0.108 R)
• M14: 15,586,752 km (0.07 R)
• M15: 16,995,365 km (0.09 R)
• M16: 17,866,773 km (0.082 R)
• M17: 18,278,765 km (0.094 R)
• M18: 19,698,449 km (0.053 R)
• M19: 21,113,944 km (0.074 R)
• M20: 26,470,595 km (0.096 R)
• M21: 28,100,314 km (0.087 R)
• M22: 30,473,385 km (0.031 R)
• M23: 32,874,431 km (0.027 R)
• M24: 33,390,095 km (0.049 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.4

Radius: 3

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.79 AU - 7.57 AU

Year: 11917 Days

Day: 17.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,274,211 km

• M1: 51,013 km (0.057 R)
• M2: 414,835 km (0.041 R)
• M3: 1,276,818 km (0.102 R)
• M4: 1,893,011 km (0.083 R)
• M5: 2,302,012 km (0.094 R)
• M6: 3,461,545 km (0.072 R)
• M7: 4,264,736 km (0.078 R)
• M8: 4,604,323 km (0.112 R)
• M9: 8,975,423 km (0.103 R)
• M10: 13,076,499 km (0.107 R)
• M11: 14,579,659 km (0.061 R)
• M12: 16,849,657 km (0.11 R)
• M13: 18,097,303 km (0.09 R)
• M14: 18,743,716 km (0.117 R)
• M15: 19,772,650 km (0.115 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 11,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit