🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.2

Radius: 12.6

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.48 AU - 0.72 AU

Year: 310 Days

Day: 11 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,334,704 km

• M1: 157,227 km (0.119 R)
• M2: 604,076 km (0.102 R)
• M3: 1,057,208 km (0.083 R)
• M4: 1,492,239 km (0.062 R)
• M5: 2,018,075 km (0.07 R)
• M6: 2,666,432 km (0.103 R)
• M7: 3,842,721 km (0.096 R)
• M8: 4,291,065 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 283.3

Radius: 11.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.53 AU - 0.75 AU

Year: 341 Days

Day: 7.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 63,334,704 km

• M1: 146,756 km (0.119 R)
• M2: 546,182 km (0.062 R)
• M3: 915,240 km (0.079 R)
• M4: 1,333,216 km (0.087 R)
• M5: 1,968,409 km (0.114 R)
• M6: 2,650,276 km (0.106 R)
• M7: 3,051,946 km (0.097 R)
• M8: 3,525,423 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.5

Radius: 9.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.94 AU - 0.96 AU

Year: 617 Days

Day: 5.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 63,334,704 km

• M1: 119,678 km (0.069 R)
• M2: 690,843 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.1

Radius: 13.6

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.85 AU - 1.39 AU

Year: 790 Days

Day: 8.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 63,334,704 km

• M1: 169,644 km (0.104 R)
• M2: 606,470 km (0.098 R)
• M3: 1,605,634 km (0.057 R)
• M4: 2,899,805 km (0.047 R)
• M5: 3,527,667 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.8

Radius: 9.2

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.19 AU - 1.83 AU

Year: 1237 Days

Day: 14.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,334,704 km

• M1: 117,285 km (0.098 R)
• M2: 632,500 km (0.115 R)
• M3: 1,007,990 km (0.079 R)
• M4: 1,454,839 km (0.072 R)
• M5: 2,445,776 km (0.074 R)
• M6: 2,750,656 km (0.065 R)
• M7: 3,353,835 km (0.088 R)
• M8: 3,664,998 km (0.08 R)
• M9: 4,078,337 km (0.111 R)

Asteroid Belt

Center: 3.49 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 863.9

Radius: 11.2

Gravity: 6.89 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.92 AU - 6.02 AU

Year: 8531 Days

Day: 6.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,334,704 km

• M1: 139,874 km (0.039 R)
• M2: 704,307 km (0.105 R)
• M3: 1,158,785 km (0.096 R)
• M4: 1,618,799 km (0.089 R)
• M5: 2,079,859 km (0.075 R)
• M6: 2,530,149 km (0.105 R)
• M7: 4,689,594 km (0.116 R)
• M8: 5,772,383 km (0.102 R)
• M9: 7,053,689 km (0.099 R)
• M10: 7,411,976 km (0.086 R)
• M11: 8,785,733 km (0.103 R)
• M12: 9,677,935 km (0.104 R)
• M13: 10,785,258 km (0.066 R)
• M14: 11,863,410 km (0.085 R)
• M15: 15,330,341 km (0.105 R)
• M16: 15,798,134 km (0.109 R)
• M17: 16,691,981 km (0.113 R)
• M18: 17,911,503 km (0.095 R)
• M19: 19,189,368 km (0.111 R)
• M20: 20,206,932 km (0.059 R)
• M21: 20,769,570 km (0.108 R)
• M22: 26,599,549 km (0.092 R)
• M23: 28,062,017 km (0.03 R)
• M24: 35,485,513 km (0.12 R)
• M25: 36,541,225 km (0.069 R)
• M26: 42,922,172 km (0.043 R)
• M27: 44,120,302 km (0.097 R)
• M28: 44,931,421 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.5

Radius: 5.5

Gravity: 28.18 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 7.22 AU - 7.72 AU

Year: 13615 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,334,704 km

• M1: 69,114 km (0.119 R)
• M2: 257,308 km (0.084 R)
• M3: 530,324 km (0.105 R)
• M4: 760,556 km (0.05 R)
• M5: 1,548,488 km (0.041 R)
• M6: 3,325,261 km (0.101 R)
• M7: 4,623,023 km (0.081 R)
• M8: 5,384,476 km (0.105 R)
• M9: 5,568,631 km (0.096 R)
• M10: 6,266,804 km (0.054 R)
• M11: 6,806,105 km (0.087 R)
• M12: 7,976,708 km (0.105 R)
• M13: 8,460,807 km (0.108 R)
• M14: 9,119,037 km (0.103 R)
• M15: 9,328,325 km (0.099 R)
• M16: 11,600,866 km (0.041 R)
• M17: 11,908,589 km (0.118 R)
• M18: 16,344,315 km (0.048 R)
• M19: 19,096,617 km (0.095 R)
• M20: 19,699,197 km (0.095 R)
• M21: 22,807,991 km (0.079 R)
• M22: 26,018,510 km (0.074 R)
• M23: 27,188,216 km (0.115 R)
• M24: 29,861,231 km (0.113 R)
• M25: 30,555,814 km (0.106 R)
• M26: 31,617,809 km (0.119 R)
• M27: 37,566,568 km (0.094 R)
• M28: 41,015,248 km (0.039 R)
• M29: 42,597,395 km (0.089 R)
• M30: 45,121,710 km (0.101 R)
• M31: 48,852,681 km (0.099 R)
• M32: 49,816,689 km (0.078 R)
• M33: 52,784,262 km (0.108 R)
• M34: 53,629,041 km (0.052 R)
• M35: 58,167,691 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 19,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit