🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.4

Radius: 10.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.6 AU - 0.96 AU

Year: 476 Days

Day: 8.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,112,015 km

• M1: 144,362 km (0.066 R)
• M2: 575,204 km (0.107 R)
• M3: 996,471 km (0.094 R)
• M4: 1,448,107 km (0.032 R)
• M5: 1,832,125 km (0.116 R)
• M6: 2,372,622 km (0.065 R)
• M7: 2,730,161 km (0.087 R)
• M8: 3,253,454 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.2

Radius: 13.8

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.62 AU - 1 AU

Year: 503 Days

Day: 11.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,112,015 km

• M1: 171,589 km (0.109 R)
• M2: 603,179 km (0.086 R)
• M3: 1,275,322 km (0.057 R)
• M4: 1,730,099 km (0.117 R)
• M5: 2,355,568 km (0.114 R)
• M6: 3,076,331 km (0.112 R)
• M7: 3,553,398 km (0.037 R)
• M8: 4,829,767 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.2

Radius: 14.7

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.65 AU - 1.07 AU

Year: 551 Days

Day: 8.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,112,015 km

• M1: 182,809 km (0.079 R)
• M2: 753,375 km (0.049 R)
• M3: 1,285,495 km (0.057 R)
• M4: 1,891,067 km (0.101 R)
• M5: 2,379,653 km (0.107 R)
• M6: 2,943,039 km (0.096 R)
• M7: 3,462,144 km (0.1 R)
• M8: 3,976,461 km (0.109 R)
• M9: 4,570,664 km (0.12 R)
• M10: 5,224,107 km (0.113 R)
• M11: 5,835,663 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.1

Radius: 8.6

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.97 AU - 0.99 AU

Year: 670 Days

Day: 13 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,112,015 km

• M1: 106,962 km (0.106 R)
• M2: 731,085 km (0.108 R)
• M3: 1,162,675 km (0.031 R)
• M4: 1,466,209 km (0.108 R)
• M5: 2,134,612 km (0.042 R)
• M6: 2,923,591 km (0.094 R)
• M7: 3,853,192 km (0.104 R)
• M8: 4,281,641 km (0.119 R)
• M9: 4,600,284 km (0.115 R)
• M10: 5,033,370 km (0.113 R)
• M11: 5,371,461 km (0.104 R)
• M12: 6,857,866 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 10.4

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.04 AU - 2.12 AU

Year: 2071 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,112,015 km

• M1: 129,402 km (0.101 R)
• M2: 473,776 km (0.115 R)
• M3: 842,535 km (0.044 R)
• M4: 1,275,322 km (0.045 R)
• M5: 1,650,813 km (0.101 R)
• M6: 2,685,731 km (0.066 R)
• M7: 3,475,308 km (0.098 R)
• M8: 4,354,345 km (0.106 R)
• M9: 5,601,991 km (0.117 R)
• M10: 6,197,241 km (0.061 R)
• M11: 7,073,885 km (0.098 R)
• M12: 7,542,276 km (0.077 R)
• M13: 8,664,260 km (0.046 R)
• M14: 9,297,807 km (0.038 R)
• M15: 10,908,378 km (0.119 R)
• M16: 11,875,229 km (0.115 R)
• M17: 12,577,441 km (0.106 R)
• M18: 13,101,782 km (0.089 R)
• M19: 13,640,483 km (0.092 R)
• M20: 13,979,323 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.8

Radius: 13.7

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 5.08 AU - 5.32 AU

Year: 8185 Days

Day: 14.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,112,015 km

• M1: 175,030 km (0.072 R)
• M2: 660,475 km (0.108 R)
• M3: 1,564,794 km (0.061 R)
• M4: 2,258,928 km (0.071 R)
• M5: 2,830,691 km (0.106 R)
• M6: 3,565,815 km (0.067 R)
• M7: 3,991,870 km (0.063 R)
• M8: 4,532,067 km (0.116 R)
• M9: 5,150,355 km (0.096 R)
• M10: 5,985,560 km (0.108 R)
• M11: 7,500,388 km (0.103 R)
• M12: 8,045,074 km (0.077 R)
• M13: 9,040,499 km (0.043 R)
• M14: 11,225,824 km (0.077 R)
• M15: 13,916,043 km (0.097 R)
• M16: 14,620,798 km (0.042 R)
• M17: 22,552,926 km (0.103 R)
• M18: 23,443,782 km (0.086 R)
• M19: 24,696,215 km (0.098 R)
• M20: 26,613,312 km (0.116 R)
• M21: 32,039,226 km (0.095 R)
• M22: 35,495,835 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.8

Radius: 4.2

Gravity: 33.15 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 5.06 AU - 8.3 AU

Year: 11917 Days

Day: 22.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,112,015 km

• M1: 53,107 km (0.075 R)
• M2: 633,846 km (0.109 R)
• M3: 1,035,068 km (0.053 R)
• M4: 1,271,881 km (0.11 R)
• M5: 2,638,607 km (0.058 R)
• M6: 2,831,888 km (0.093 R)
• M7: 2,988,816 km (0.089 R)
• M8: 5,421,427 km (0.057 R)
• M9: 5,913,454 km (0.119 R)
• M10: 8,593,650 km (0.111 R)
• M11: 11,528,162 km (0.108 R)
• M12: 11,813,594 km (0.109 R)
• M13: 15,271,998 km (0.076 R)
• M14: 16,463,844 km (0.11 R)
• M15: 18,019,961 km (0.072 R)
• M16: 24,657,469 km (0.109 R)
• M17: 34,611,412 km (0.076 R)
• M18: 44,384,940 km (0.062 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: 487 - 17,528 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit