🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494.3

Radius: 14.5

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.67 AU - 0.75 AU

Year: 413 Days

Day: 5.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 28,476,604 km

• M1: 180,265 km (0.078 R)
• M2: 774,169 km (0.087 R)
• M3: 1,425,518 km (0.061 R)
• M4: 1,924,427 km (0.114 R)
• M5: 2,399,251 km (0.093 R)
• M6: 3,277,989 km (0.036 R)
• M7: 3,853,940 km (0.113 R)
• M8: 5,033,071 km (0.036 R)

Asteroid Belt

Center: 1.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.3

Radius: 8.2

Gravity: 14.43 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.16 AU - 1.78 AU

Year: 1230 Days

Day: 10.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 28,476,604 km

• M1: 102,026 km (0.083 R)
• M2: 414,386 km (0.092 R)
• M3: 683,213 km (0.112 R)
• M4: 1,032,824 km (0.117 R)
• M5: 1,298,061 km (0.105 R)
• M6: 1,793,678 km (0.107 R)
• M7: 2,447,421 km (0.083 R)
• M8: 2,984,777 km (0.04 R)
• M9: 3,359,071 km (0.092 R)
• M10: 4,040,638 km (0.065 R)
• M11: 4,312,009 km (0.07 R)
• M12: 4,871,355 km (0.104 R)
• M13: 5,370,115 km (0.107 R)
• M14: 5,654,201 km (0.112 R)
• M15: 5,994,536 km (0.12 R)
• M16: 6,641,547 km (0.108 R)
• M17: 6,943,735 km (0.101 R)
• M18: 7,767,121 km (0.118 R)
• M19: 11,288,506 km (0.056 R)
• M20: 11,683,295 km (0.12 R)
• M21: 12,013,158 km (0.074 R)
• M22: 12,424,702 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336

Radius: 9.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 1.64 AU - 1.7 AU

Year: 1490 Days

Day: 5.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 28,476,604 km

• M1: 122,969 km (0.085 R)
• M2: 615,894 km (0.104 R)
• M3: 974,331 km (0.071 R)
• M4: 1,312,422 km (0.088 R)
• M5: 2,056,372 km (0.116 R)
• M6: 2,401,495 km (0.084 R)
• M7: 2,848,942 km (0.073 R)
• M8: 3,511,960 km (0.066 R)
• M9: 4,749,732 km (0.117 R)
• M10: 5,785,548 km (0.098 R)
• M11: 6,191,557 km (0.091 R)
• M12: 7,060,720 km (0.088 R)
• M13: 8,245,685 km (0.079 R)
• M14: 8,983,651 km (0.118 R)
• M15: 10,403,784 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738

Radius: 13.4

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.62 AU - 2.24 AU

Year: 1851 Days

Day: 9.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 28,476,604 km

• M1: 176,376 km (0.053 R)
• M2: 708,795 km (0.118 R)
• M3: 1,320,052 km (0.105 R)
• M4: 2,200,435 km (0.041 R)
• M5: 3,681,005 km (0.085 R)
• M6: 5,110,114 km (0.063 R)
• M7: 6,134,859 km (0.116 R)
• M8: 7,517,443 km (0.046 R)
• M9: 8,937,575 km (0.11 R)
• M10: 9,593,412 km (0.075 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 12.9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 4.45 AU - 4.81 AU

Year: 6877 Days

Day: 12.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,476,604 km

• M1: 160,369 km (0.081 R)
• M2: 621,878 km (0.078 R)
• M3: 1,113,607 km (0.098 R)
• M4: 1,549,834 km (0.099 R)
• M5: 2,784,016 km (0.105 R)
• M6: 3,492,213 km (0.119 R)
• M7: 4,480,905 km (0.074 R)
• M8: 6,285,953 km (0.1 R)
• M9: 6,786,358 km (0.11 R)
• M10: 7,197,902 km (0.075 R)
• M11: 8,279,943 km (0.1 R)
• M12: 9,793,125 km (0.097 R)
• M13: 10,916,755 km (0.061 R)
• M14: 12,509,224 km (0.112 R)
• M15: 14,130,566 km (0.112 R)
• M16: 15,054,782 km (0.057 R)
• M17: 18,718,134 km (0.093 R)
• M18: 21,547,030 km (0.05 R)
• M19: 23,105,391 km (0.108 R)
• M20: 24,474,810 km (0.09 R)
• M21: 27,469,311 km (0.117 R)
• M22: 28,134,572 km (0.067 R)
• M23: 29,201,654 km (0.105 R)
• M24: 31,005,804 km (0.113 R)
• M25: 33,096,435 km (0.103 R)
• M26: 34,945,913 km (0.107 R)
• M27: 39,327,635 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.7

Radius: 11.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.32 AU - 5.12 AU

Year: 7078 Days

Day: 12.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 28,476,604 km

• M1: 145,559 km (0.1 R)
• M2: 842,535 km (0.108 R)
• M3: 1,457,382 km (0.088 R)
• M4: 1,916,648 km (0.073 R)
• M5: 2,610,034 km (0.064 R)
• M6: 3,840,626 km (0.107 R)
• M7: 8,542,338 km (0.073 R)
• M8: 9,276,863 km (0.075 R)
• M9: 10,502,519 km (0.097 R)
• M10: 12,182,951 km (0.037 R)
• M11: 13,980,370 km (0.076 R)
• M12: 15,292,642 km (0.09 R)
• M13: 17,252,823 km (0.1 R)
• M14: 18,227,005 km (0.072 R)
• M15: 18,626,880 km (0.087 R)
• M16: 20,285,022 km (0.106 R)
• M17: 20,931,584 km (0.053 R)
• M18: 21,517,709 km (0.1 R)
• M19: 22,114,904 km (0.048 R)
• M20: 24,292,151 km (0.045 R)
• M21: 24,939,611 km (0.109 R)
• M22: 25,765,092 km (0.067 R)
• M23: 26,608,674 km (0.032 R)
• M24: 28,798,338 km (0.08 R)
• M25: 29,615,142 km (0.109 R)
• M26: 32,061,965 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 274.3

Radius: 13.5

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.7 AU - 5.88 AU

Year: 7236 Days

Day: 10.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 28,476,604 km

• M1: 215,571 km (0.113 R)
• M2: 879,935 km (0.083 R)
• M3: 1,477,728 km (0.116 R)
• M4: 3,106,998 km (0.108 R)
• M5: 3,813,699 km (0.098 R)
• M6: 5,465,857 km (0.083 R)
• M7: 8,380,772 km (0.11 R)
• M8: 9,877,798 km (0.08 R)
• M9: 10,690,114 km (0.091 R)
• M10: 11,362,557 km (0.108 R)
• M11: 11,967,830 km (0.046 R)
• M12: 14,019,415 km (0.078 R)
• M13: 15,719,445 km (0.069 R)
• M14: 16,471,773 km (0.104 R)
• M15: 18,299,709 km (0.068 R)
• M16: 26,245,002 km (0.099 R)
• M17: 28,054,089 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 13,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit