🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.7

Radius: 8

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.81 AU - 1.27 AU

Year: 732 Days

Day: 13.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,731,250 km

• M1: 99,632 km (0.1 R)
• M2: 359,184 km (0.106 R)
• M3: 616,642 km (0.081 R)
• M4: 1,478,925 km (0.066 R)
• M5: 1,755,980 km (0.077 R)
• M6: 2,094,819 km (0.112 R)
• M7: 2,507,410 km (0.076 R)
• M8: 3,042,821 km (0.04 R)
• M9: 4,063,826 km (0.065 R)
• M10: 5,382,980 km (0.114 R)
• M11: 5,699,230 km (0.113 R)
• M12: 6,102,546 km (0.088 R)
• M13: 6,368,980 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 13.8

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.01 AU - 1.15 AU

Year: 775 Days

Day: 6.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,731,250 km

• M1: 171,738 km (0.092 R)
• M2: 626,217 km (0.061 R)
• M3: 1,142,928 km (0.051 R)
• M4: 1,685,370 km (0.101 R)
• M5: 2,137,754 km (0.11 R)
• M6: 2,616,018 km (0.053 R)
• M7: 3,115,525 km (0.112 R)
• M8: 3,750,119 km (0.088 R)
• M9: 4,309,466 km (0.033 R)
• M10: 6,166,574 km (0.111 R)
• M11: 6,774,689 km (0.115 R)
• M12: 7,217,200 km (0.105 R)
• M13: 8,636,883 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.6

Radius: 14.4

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.99 AU - 1.19 AU

Year: 786 Days

Day: 13 Hours

Environment

Temp: -169 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,731,250 km

• M1: 181,163 km (0.113 R)
• M2: 645,365 km (0.082 R)
• M3: 1,109,567 km (0.097 R)
• M4: 1,731,446 km (0.113 R)
• M5: 2,181,436 km (0.089 R)
• M6: 3,150,980 km (0.092 R)
• M7: 3,848,405 km (0.12 R)
• M8: 4,578,144 km (0.078 R)
• M9: 5,059,250 km (0.091 R)
• M10: 5,515,374 km (0.12 R)
• M11: 6,380,200 km (0.072 R)
• M12: 7,239,191 km (0.11 R)
• M13: 7,870,344 km (0.111 R)
• M14: 8,380,622 km (0.11 R)
• M15: 8,831,809 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 14.1

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.69 AU - 1.93 AU

Year: 1681 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,731,250 km

• M1: 175,329 km (0.114 R)
• M2: 631,004 km (0.096 R)
• M3: 1,355,955 km (0.117 R)
• M4: 2,020,918 km (0.066 R)
• M5: 2,691,714 km (0.043 R)
• M6: 3,772,110 km (0.095 R)
• M7: 4,483,897 km (0.065 R)
• M8: 5,144,222 km (0.115 R)
• M9: 5,697,435 km (0.102 R)
• M10: 6,381,396 km (0.116 R)
• M11: 9,409,257 km (0.061 R)
• M12: 10,495,188 km (0.068 R)
• M13: 11,118,712 km (0.066 R)
• M14: 11,559,577 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.2

Radius: 12.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.61 AU - 2.51 AU

Year: 2041 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,731,250 km

• M1: 171,290 km (0.1 R)
• M2: 758,910 km (0.094 R)
• M3: 1,821,504 km (0.089 R)
• M4: 2,648,182 km (0.104 R)
• M5: 4,255,611 km (0.093 R)
• M6: 5,481,565 km (0.114 R)
• M7: 6,115,860 km (0.076 R)
• M8: 8,776,159 km (0.048 R)
• M9: 9,612,710 km (0.042 R)
• M10: 10,361,298 km (0.088 R)
• M11: 12,482,746 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.5

Radius: 14

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 3.1 AU - 5.12 AU

Year: 5751 Days

Day: 6.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 61,731,250 km

• M1: 174,132 km (0.053 R)
• M2: 658,679 km (0.119 R)
• M3: 1,162,076 km (0.117 R)
• M4: 2,028,098 km (0.09 R)
• M5: 3,252,407 km (0.026 R)
• M6: 4,121,272 km (0.06 R)
• M7: 4,765,440 km (0.087 R)
• M8: 5,250,287 km (0.073 R)
• M9: 5,708,804 km (0.114 R)
• M10: 6,383,341 km (0.101 R)
• M11: 6,940,593 km (0.109 R)
• M12: 8,496,561 km (0.098 R)
• M13: 9,797,763 km (0.086 R)
• M14: 10,995,743 km (0.036 R)
• M15: 12,438,913 km (0.102 R)
• M16: 13,416,236 km (0.1 R)
• M17: 15,177,302 km (0.079 R)
• M18: 16,413,878 km (0.113 R)
• M19: 17,780,305 km (0.054 R)
• M20: 18,754,487 km (0.059 R)
• M21: 24,483,038 km (0.116 R)
• M22: 25,688,946 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50

Radius: 10.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.5 AU - 4.9 AU

Year: 7033 Days

Day: 13.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,731,250 km

• M1: 126,859 km (0.074 R)
• M2: 651,499 km (0.114 R)
• M3: 1,117,646 km (0.108 R)
• M4: 2,067,891 km (0.092 R)
• M5: 2,427,076 km (0.089 R)
• M6: 2,991,658 km (0.03 R)
• M7: 4,363,620 km (0.106 R)
• M8: 5,003,301 km (0.104 R)
• M9: 8,264,235 km (0.047 R)
• M10: 10,193,001 km (0.088 R)
• M11: 12,444,598 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.7

Radius: 7.3

Gravity: 13.99 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 6.66 AU - 8.22 AU

Year: 14008 Days

Day: 15.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 61,731,250 km

• M1: 90,806 km (0.048 R)
• M2: 343,327 km (0.119 R)
• M3: 783,594 km (0.03 R)
• M4: 1,290,581 km (0.073 R)
• M5: 1,962,874 km (0.088 R)
• M6: 2,534,936 km (0.093 R)
• M7: 3,112,832 km (0.06 R)
• M8: 3,341,418 km (0.081 R)
• M9: 4,006,231 km (0.105 R)
• M10: 5,094,855 km (0.116 R)
• M11: 6,051,533 km (0.094 R)
• M12: 9,061,442 km (0.103 R)
• M13: 9,743,160 km (0.112 R)
• M14: 11,386,492 km (0.119 R)
• M15: 15,873,680 km (0.104 R)
• M16: 16,249,470 km (0.088 R)
• M17: 16,554,351 km (0.089 R)
• M18: 18,796,524 km (0.073 R)
• M19: 23,483,575 km (0.029 R)
• M20: 23,775,590 km (0.074 R)
• M21: 27,042,807 km (0.08 R)
• M22: 29,230,078 km (0.12 R)
• M23: 30,366,722 km (0.115 R)
• M24: 33,829,314 km (0.094 R)
• M25: 35,847,988 km (0.057 R)
• M26: 41,953,975 km (0.111 R)
• M27: 45,176,612 km (0.059 R)
• M28: 47,311,075 km (0.112 R)
• M29: 52,109,725 km (0.114 R)
• M30: 58,462,249 km (0.086 R)
• M31: 60,263,707 km (0.066 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 15,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit