🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 566.3

Radius: 12.1

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.59 AU - 0.77 AU

Year: 374 Days

Day: 13 Hours

Environment

Temp: -155 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,720,432 km

• M1: 173,982 km (0.116 R)
• M2: 563,386 km (0.103 R)
• M3: 1,078,152 km (0.08 R)
• M4: 1,496,876 km (0.044 R)
• M5: 1,934,300 km (0.09 R)
• M6: 2,361,103 km (0.083 R)
• M7: 2,930,772 km (0.087 R)
• M8: 3,637,323 km (0.08 R)
• M9: 4,715,474 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.3

Radius: 8.3

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.67 AU - 0.71 AU

Year: 382 Days

Day: 12.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,720,432 km

• M1: 103,372 km (0.042 R)
• M2: 372,947 km (0.052 R)
• M3: 705,354 km (0.084 R)
• M4: 990,488 km (0.077 R)
• M5: 1,279,361 km (0.114 R)
• M6: 1,567,786 km (0.111 R)
• M7: 1,867,879 km (0.06 R)
• M8: 2,260,723 km (0.079 R)
• M9: 2,920,001 km (0.083 R)
• M10: 3,650,487 km (0.075 R)
• M11: 3,923,952 km (0.105 R)
• M12: 4,705,900 km (0.116 R)
• M13: 4,967,397 km (0.088 R)
• M14: 5,621,738 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 11.2

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.53 AU - 2.21 AU

Year: 1705 Days

Day: 5.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 111.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,720,432 km

• M1: 139,276 km (0.116 R)
• M2: 532,568 km (0.067 R)
• M3: 1,310,178 km (0.12 R)
• M4: 2,018,973 km (0.117 R)
• M5: 2,552,140 km (0.086 R)
• M6: 2,939,000 km (0.109 R)
• M7: 3,317,482 km (0.1 R)
• M8: 4,082,077 km (0.107 R)
• M9: 4,575,152 km (0.077 R)
• M10: 5,455,834 km (0.088 R)
• M11: 6,983,977 km (0.112 R)
• M12: 7,635,475 km (0.069 R)
• M13: 8,297,296 km (0.085 R)
• M14: 9,186,057 km (0.092 R)
• M15: 11,554,790 km (0.12 R)
• M16: 13,343,980 km (0.119 R)
• M17: 13,839,598 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 670.8

Radius: 11.6

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.91 AU - 2.31 AU

Year: 2044 Days

Day: 6.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,720,432 km

• M1: 145,708 km (0.089 R)
• M2: 573,109 km (0.082 R)
• M3: 960,119 km (0.087 R)
• M4: 1,909,916 km (0.116 R)
• M5: 2,736,594 km (0.097 R)
• M6: 3,338,576 km (0.115 R)
• M7: 4,084,022 km (0.111 R)
• M8: 6,383,192 km (0.094 R)
• M9: 7,331,044 km (0.046 R)
• M10: 8,033,555 km (0.102 R)
• M11: 8,526,630 km (0.052 R)
• M12: 10,593,923 km (0.045 R)
• M13: 14,810,638 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.3

Radius: 13.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 2.88 AU - 3.08 AU

Year: 3430 Days

Day: 10 Hours

Environment

Temp: -216 °C

Axial Tilt: 116.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,720,432 km

• M1: 167,998 km (0.059 R)
• M2: 721,511 km (0.073 R)
• M3: 1,700,479 km (0.092 R)
• M4: 2,806,306 km (0.075 R)
• M5: 3,255,848 km (0.082 R)
• M6: 3,896,127 km (0.06 R)
• M7: 5,225,753 km (0.076 R)
• M8: 5,884,582 km (0.116 R)
• M9: 7,116,371 km (0.111 R)
• M10: 7,961,000 km (0.116 R)
• M11: 8,407,849 km (0.091 R)
• M12: 9,503,504 km (0.079 R)
• M13: 10,610,079 km (0.091 R)
• M14: 11,279,979 km (0.075 R)
• M15: 13,947,608 km (0.109 R)
• M16: 15,908,537 km (0.093 R)
• M17: 16,619,725 km (0.07 R)
• M18: 17,295,010 km (0.088 R)
• M19: 18,401,585 km (0.049 R)
• M20: 19,124,442 km (0.118 R)
• M21: 19,678,852 km (0.119 R)
• M22: 20,498,798 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.8

Radius: 13.7

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.41 AU - 6.05 AU

Year: 9147 Days

Day: 11 Hours

Environment

Temp: -232 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,720,432 km

• M1: 170,542 km (0.111 R)
• M2: 648,208 km (0.109 R)
• M3: 1,096,702 km (0.069 R)
• M4: 1,561,802 km (0.065 R)
• M5: 2,070,734 km (0.109 R)
• M6: 2,620,057 km (0.114 R)
• M7: 3,104,904 km (0.094 R)
• M8: 3,627,748 km (0.043 R)
• M9: 4,561,837 km (0.116 R)
• M10: 5,385,075 km (0.112 R)
• M11: 7,766,373 km (0.088 R)
• M12: 8,536,952 km (0.114 R)
• M13: 10,096,659 km (0.104 R)
• M14: 11,301,521 km (0.117 R)
• M15: 12,651,791 km (0.078 R)
• M16: 14,616,310 km (0.11 R)
• M17: 15,492,206 km (0.097 R)
• M18: 15,973,462 km (0.087 R)
• M19: 17,156,632 km (0.116 R)
• M20: 21,130,849 km (0.086 R)
• M21: 24,935,721 km (0.065 R)
• M22: 26,356,003 km (0.063 R)
• M23: 29,817,548 km (0.09 R)
• M24: 32,777,043 km (0.033 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439.1

Radius: 5

Gravity: 17.56 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 7.02 AU - 8.2 AU

Year: 13999 Days

Day: 17 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,720,432 km

• M1: 62,831 km (0.081 R)
• M2: 831,166 km (0.106 R)
• M3: 1,067,680 km (0.119 R)
• M4: 1,527,843 km (0.119 R)
• M5: 1,901,838 km (0.088 R)
• M6: 2,373,370 km (0.056 R)
• M7: 2,533,141 km (0.104 R)
• M8: 2,896,813 km (0.114 R)
• M9: 3,245,825 km (0.084 R)
• M10: 5,289,781 km (0.088 R)
• M11: 5,810,980 km (0.073 R)
• M12: 6,636,461 km (0.108 R)
• M13: 8,470,680 km (0.091 R)
• M14: 10,298,467 km (0.117 R)
• M15: 13,667,710 km (0.08 R)
• M16: 14,913,711 km (0.082 R)
• M17: 22,382,684 km (0.096 R)
• M18: 23,098,809 km (0.088 R)
• M19: 28,440,799 km (0.093 R)
• M20: 32,919,759 km (0.082 R)
• M21: 35,386,030 km (0.114 R)
• M22: 39,376,553 km (0.097 R)
• M23: 41,613,789 km (0.105 R)
• M24: 46,195,972 km (0.113 R)
• M25: 49,130,334 km (0.072 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: 154 - 18,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit