🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.7

Radius: 14.7

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.43 AU - 0.65 AU

Year: 269 Days

Day: 13 Hours

Environment

Temp: -152 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,657,135 km

• M1: 182,809 km (0.092 R)
• M2: 772,374 km (0.066 R)
• M3: 1,305,541 km (0.107 R)
• M4: 1,808,339 km (0.1 R)
• M5: 2,318,019 km (0.114 R)
• M6: 2,782,820 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.6

Radius: 11.1

Gravity: 8.01 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.62 AU - 2.08 AU

Year: 1707 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,657,135 km

• M1: 138,079 km (0.093 R)
• M2: 710,291 km (0.096 R)
• M3: 1,179,430 km (0.045 R)
• M4: 1,545,047 km (0.059 R)
• M5: 2,057,569 km (0.03 R)
• M6: 2,624,994 km (0.061 R)
• M7: 3,294,444 km (0.095 R)
• M8: 3,980,051 km (0.108 R)
• M9: 5,999,922 km (0.107 R)
• M10: 6,804,160 km (0.119 R)
• M11: 7,649,388 km (0.106 R)
• M12: 8,658,426 km (0.111 R)
• M13: 9,013,870 km (0.111 R)
• M14: 10,245,809 km (0.053 R)
• M15: 11,782,179 km (0.073 R)
• M16: 12,667,200 km (0.064 R)
• M17: 13,466,651 km (0.079 R)
• M18: 14,077,010 km (0.111 R)
• M19: 14,934,804 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.2

Radius: 9.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.57 AU - 2.27 AU

Year: 1804 Days

Day: 14 Hours

Environment

Temp: -193 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,657,135 km

• M1: 119,379 km (0.086 R)
• M2: 521,648 km (0.061 R)
• M3: 917,933 km (0.117 R)
• M4: 1,432,400 km (0.117 R)
• M5: 2,036,177 km (0.114 R)
• M6: 2,515,189 km (0.111 R)
• M7: 3,165,491 km (0.111 R)
• M8: 3,622,512 km (0.096 R)
• M9: 6,302,558 km (0.07 R)
• M10: 7,298,282 km (0.11 R)
• M11: 7,886,201 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.8

Radius: 12.5

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.83 AU - 2.21 AU

Year: 1947 Days

Day: 11.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,657,135 km

• M1: 155,432 km (0.073 R)
• M2: 663,766 km (0.074 R)
• M3: 1,186,162 km (0.083 R)
• M4: 1,676,543 km (0.076 R)
• M5: 2,070,883 km (0.094 R)
• M6: 2,527,905 km (0.065 R)
• M7: 3,355,779 km (0.096 R)
• M8: 3,896,426 km (0.117 R)
• M9: 4,707,546 km (0.109 R)
• M10: 5,230,989 km (0.099 R)
• M11: 6,175,251 km (0.117 R)
• M12: 7,109,639 km (0.107 R)
• M13: 8,481,601 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.1

Radius: 11.6

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.72 AU - 2.62 AU

Year: 2168 Days

Day: 14.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,657,135 km

• M1: 144,362 km (0.11 R)
• M2: 673,041 km (0.063 R)
• M3: 1,779,167 km (0.086 R)
• M4: 2,328,341 km (0.067 R)
• M5: 3,254,053 km (0.092 R)
• M6: 3,628,048 km (0.112 R)
• M7: 5,220,816 km (0.11 R)
• M8: 6,285,654 km (0.065 R)
• M9: 6,679,096 km (0.104 R)
• M10: 7,826,961 km (0.089 R)
• M11: 8,985,746 km (0.092 R)
• M12: 9,973,989 km (0.082 R)
• M13: 10,446,419 km (0.082 R)
• M14: 10,900,898 km (0.048 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 929.9

Radius: 14.2

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.98 AU - 2.96 AU

Year: 2633 Days

Day: 11.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,657,135 km

• M1: 176,675 km (0.115 R)
• M2: 802,293 km (0.118 R)
• M3: 1,307,934 km (0.12 R)
• M4: 1,981,424 km (0.094 R)
• M5: 3,833,745 km (0.063 R)
• M6: 6,651,720 km (0.116 R)
• M7: 9,410,005 km (0.056 R)
• M8: 11,500,037 km (0.12 R)
• M9: 12,676,624 km (0.093 R)
• M10: 19,731,361 km (0.07 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 8.7

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.6 AU - 3.9 AU

Year: 3974 Days

Day: 14 Hours

Environment

Temp: -216 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,657,135 km

• M1: 109,206 km (0.111 R)
• M2: 399,875 km (0.096 R)
• M3: 724,353 km (0.088 R)
• M4: 1,296,864 km (0.082 R)
• M5: 1,824,196 km (0.028 R)
• M6: 2,850,288 km (0.082 R)
• M7: 3,228,621 km (0.113 R)
• M8: 3,619,820 km (0.113 R)
• M9: 5,270,782 km (0.041 R)
• M10: 5,786,595 km (0.069 R)
• M11: 8,371,946 km (0.084 R)
• M12: 9,304,539 km (0.095 R)
• M13: 10,852,278 km (0.109 R)
• M14: 12,097,681 km (0.105 R)
• M15: 13,634,799 km (0.093 R)
• M16: 15,406,038 km (0.114 R)
• M17: 17,208,393 km (0.106 R)
• M18: 17,502,203 km (0.038 R)
• M19: 18,773,037 km (0.042 R)
• M20: 19,210,012 km (0.082 R)
• M21: 19,974,756 km (0.112 R)
• M22: 20,959,260 km (0.098 R)
• M23: 21,633,198 km (0.085 R)
• M24: 22,182,821 km (0.109 R)
• M25: 23,309,742 km (0.078 R)
• M26: 23,742,080 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.2

Radius: 7.2

Gravity: 10.34 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 7.19 AU - 9.05 AU

Year: 15694 Days

Day: 21.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,657,135 km

• M1: 89,759 km (0.051 R)
• M2: 750,084 km (0.11 R)
• M3: 1,341,893 km (0.088 R)
• M4: 2,799,874 km (0.101 R)
• M5: 3,205,733 km (0.095 R)
• M6: 3,622,961 km (0.082 R)
• M7: 4,285,829 km (0.105 R)
• M8: 5,517,618 km (0.061 R)
• M9: 8,957,771 km (0.115 R)
• M10: 10,494,590 km (0.081 R)
• M11: 14,984,172 km (0.115 R)
• M12: 15,851,690 km (0.063 R)
• M13: 21,409,400 km (0.112 R)
• M14: 22,602,144 km (0.104 R)
• M15: 26,032,423 km (0.062 R)
• M16: 26,757,823 km (0.09 R)
• M17: 29,794,510 km (0.077 R)
• M18: 32,099,215 km (0.091 R)
• M19: 39,314,919 km (0.053 R)
• M20: 47,541,007 km (0.098 R)
• M21: 47,848,729 km (0.083 R)
• M22: 49,723,490 km (0.07 R)
• M23: 56,154,104 km (0.107 R)
• M24: 58,414,977 km (0.095 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 15,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit