🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.83 AU - 0.95 AU

Year: 308 Days

Day: 23.6 Hours

Environment

Temp: 119 °C

Axial Tilt: 46.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.91 AU - 0.95 AU

Year: 329 Days

Day: 15.1 Hours

Environment

Temp: 122 °C

Axial Tilt: 9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.76 AU - 3.78 AU

Year: 2171 Days

Day: 19 Hours

Environment

Temp: -105 °C

Axial Tilt: 45.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 81,982,310 km

• M1: 24,684 km (0.104 R)
• M2: 1,579,604 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.4

Radius: 12.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 5.42 AU - 8.92 AU

Year: 7048 Days

Day: 6.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 81,982,310 km

• M1: 157,377 km (0.085 R)
• M2: 573,708 km (0.119 R)
• M3: 1,362,238 km (0.098 R)
• M4: 1,787,695 km (0.069 R)
• M5: 2,706,674 km (0.092 R)
• M6: 4,307,521 km (0.068 R)
• M7: 4,978,767 km (0.106 R)
• M8: 5,408,861 km (0.107 R)
• M9: 6,010,992 km (0.107 R)
• M10: 6,436,897 km (0.104 R)
• M11: 7,147,337 km (0.113 R)
• M12: 8,347,262 km (0.114 R)
• M13: 8,762,994 km (0.072 R)
• M14: 9,967,856 km (0.081 R)
• M15: 10,830,587 km (0.119 R)
• M16: 11,280,278 km (0.043 R)
• M17: 12,265,380 km (0.103 R)
• M18: 12,704,749 km (0.061 R)
• M19: 13,980,669 km (0.038 R)
• M20: 15,509,260 km (0.071 R)
• M21: 18,575,568 km (0.113 R)
• M22: 20,693,724 km (0.094 R)
• M23: 21,247,535 km (0.117 R)
• M24: 21,811,220 km (0.079 R)
• M25: 22,894,907 km (0.057 R)
• M26: 23,787,557 km (0.117 R)
• M27: 24,780,438 km (0.085 R)
• M28: 25,800,846 km (0.108 R)
• M29: 26,523,553 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.1

Radius: 13.8

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.29 AU - 9.61 AU

Year: 9829 Days

Day: 9.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,982,310 km

• M1: 171,589 km (0.101 R)
• M2: 822,190 km (0.081 R)
• M3: 1,295,966 km (0.108 R)
• M4: 1,891,216 km (0.059 R)
• M5: 2,329,538 km (0.104 R)
• M6: 2,880,357 km (0.114 R)
• M7: 3,392,880 km (0.103 R)
• M8: 5,342,888 km (0.099 R)
• M9: 6,012,039 km (0.106 R)
• M10: 6,540,419 km (0.108 R)
• M11: 8,923,962 km (0.084 R)
• M12: 10,232,195 km (0.094 R)
• M13: 14,857,462 km (0.067 R)
• M14: 16,255,305 km (0.11 R)
• M15: 17,510,880 km (0.049 R)
• M16: 18,279,065 km (0.102 R)
• M17: 18,909,769 km (0.119 R)
• M18: 19,718,495 km (0.107 R)
• M19: 22,017,665 km (0.033 R)
• M20: 26,138,937 km (0.038 R)
• M21: 31,528,798 km (0.094 R)
• M22: 42,358,338 km (0.107 R)
• M23: 46,020,643 km (0.11 R)
• M24: 48,676,604 km (0.106 R)
• M25: 50,195,322 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.4

Radius: 14.1

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.26 AU - 11.22 AU

Year: 11159 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,982,310 km

• M1: 175,329 km (0.049 R)
• M2: 995,723 km (0.093 R)
• M3: 2,275,234 km (0.092 R)
• M4: 3,294,594 km (0.03 R)
• M5: 4,532,666 km (0.115 R)
• M6: 6,855,322 km (0.091 R)
• M7: 8,075,592 km (0.085 R)
• M8: 8,931,142 km (0.085 R)
• M9: 9,998,374 km (0.061 R)
• M10: 11,397,862 km (0.113 R)
• M11: 11,906,495 km (0.076 R)
• M12: 12,563,828 km (0.093 R)
• M13: 13,807,883 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.1

Radius: 3.4

Gravity: 84.26 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 13.67 AU - 13.87 AU

Year: 18757 Days

Day: 21.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 104.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 81,982,310 km

• M1: 46,824 km (0.092 R)
• M2: 437,723 km (0.114 R)
• M3: 823,087 km (0.096 R)
• M4: 950,994 km (0.111 R)
• M5: 1,277,117 km (0.119 R)
• M6: 1,549,984 km (0.03 R)
• M7: 2,367,087 km (0.112 R)
• M8: 2,855,075 km (0.065 R)
• M9: 3,291,303 km (0.108 R)
• M10: 4,398,028 km (0.052 R)
• M11: 5,525,996 km (0.099 R)
• M12: 6,156,551 km (0.096 R)
• M13: 6,466,667 km (0.063 R)
• M14: 6,602,652 km (0.113 R)
• M15: 7,117,867 km (0.034 R)
• M16: 7,863,014 km (0.104 R)
• M17: 9,332,663 km (0.102 R)
• M18: 9,506,496 km (0.094 R)
• M19: 9,800,904 km (0.12 R)
• M20: 14,742,870 km (0.099 R)
• M21: 15,457,798 km (0.108 R)
• M22: 16,531,014 km (0.103 R)
• M23: 17,389,705 km (0.046 R)
• M24: 21,122,172 km (0.114 R)
• M25: 22,753,387 km (0.059 R)
• M26: 30,881,788 km (0.086 R)
• M27: 31,267,900 km (0.105 R)
• M28: 35,870,129 km (0.068 R)
• M29: 41,681,707 km (0.118 R)
• M30: 42,153,090 km (0.076 R)
• M31: 43,750,047 km (0.093 R)
• M32: 49,832,696 km (0.07 R)
• M33: 51,257,018 km (0.092 R)
• M34: 56,647,029 km (0.089 R)
• M35: 57,612,982 km (0.088 R)
• M36: 58,197,760 km (0.032 R)
• M37: 59,181,217 km (0.102 R)
• M38: 75,989,136 km (0.108 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 15,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit